Generated by All in One SEO v5.0.0.1, this is an llms.txt file, used by LLMs to index the site.

# Electronics

All about electronics

## Sitemaps

- [XML Sitemap](https://alfadex.com/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [PonyProg 24Cxx 93Cxx](https://alfadex.com/2014/02/ponyprog-24cxx-93cxx/) - i was looking for a simple circuit to read the memory from my locked radio-cd and i come across this so simple circuit. It is a memory dumper that is compatible with 24cxx,93xx and many more. As a serial programmer, you can use many software with it. I use pony prog ,it is reliable and simple.
- [Dimmer for Home Assistant for 230v AC](https://alfadex.com/2021/01/dimmer-for-home-assistant/) - Introduction for H.A Home Assistant is a great piece of program. In the last year I've been busy with Home Assistant. If you don't know it ,it is time to include this in your life!I have heard of it but i have never take it take it seriously. So, i spent one day on searching
- [Decorative led lamp with matrix 16x16 (Gyver lamp)](https://alfadex.com/2020/12/decorative-matrix-lamp-16x16-gyver-lamp/) - In this project I will so you a wonderful decorative led lamp with 16x16 matrix. All you are going to see in video, are really different in reality, because camera cannot capture those magic colors that can generate this lamp. Nevertheless it has many patterns, quick, slow, calm, anti stress and many more. It can
- [Bird timer switch](https://alfadex.com/2015/03/bird-timer-switch/) - It is time to release a big research that i have finish a year ago. It is a a timer switch ,that simulates the dawn and when it's getting dark. It used for time simulation in a room with birds, that there is not sun, so the only way to simulate the dawn and the day light is
- [Bird timer switch v.2](https://alfadex.com/2015/03/bird-timer-switch-v-2/) - Here i will present version 2 of bird timer switch. Mainly improvements are that is added a battery to control the circuit when mainly voltage is down , a circuit to charge the battery, a second lamp aw a night lamp. I add an electronic timer color frontage with leds. FILES top layer bottom layer pads-vias top
- [Grove beginner kit from Seedstudio](https://alfadex.com/2020/11/grove-beginner-kit-from-seedstudio/) - A few days ago I received Grove Beginner Kit ,it consist of 10 different sensor from Seedstudio in one board. It consist of an Arduino UNO compatible board (ATmega328p) and 10 sensor break out boards. It is an excellent kit for start learning programming in Arduino or even expend your programming level even more. The
- [Arduino Drives a relay](https://alfadex.com/2014/02/arduino-drives-a-relay/) - You can easily drive a relay 5 ,12 or 24 volts easily, giving a very small signal and driving a transistor . As known, out from microcontroller is just a few milamps, so is not enough to drive straight a relay that drains around 30 mA. In the circuit below, transistor base current is 304μA
- [Dimming 230V AC with Arduino](https://alfadex.com/2014/02/dimming-230v-ac-with-arduino-2/) - I am going into the point immediately.The proper way to control dimming 230v AC, is through phase control with a Triac: the Triac then is fully opened, but only during a part of the sinus AC wave. One could let an Arduino just open the Triac for a number of microseconds, but that has the
- [3dpburner (laser engraving)](https://alfadex.com/2018/04/3dpburner-laser-engraving/) - After a year of using this laser engraving 3d printed machine without any problem ,it's time to present it , so that help other people making this. I found it easy constructible, especially if you familiarized with grbl. It is 3dpburner (laser engraving) Linear rail shaft rod are 8 mm with linear ball bearing 8mm. I
- [Open RC Truggy 4WD 1:10](https://alfadex.com/2019/12/open-rc-truggy-4wd-110/) - Almost 3 years ago i had made open rc truggy from DanielNoree here. I had printed all parts as you can see at pictures below, but plastic parts for differential is not a good idea. It break at the first try unfortunately. Plastic gears at high speed ,has thermal issues that make gear melt Parts
- [Volt-amp-power meter](https://alfadex.com/2019/10/volt-amp-power-meter/) - It is a great little device for measuring power and mAh Dc for small consumptions. It is something like a smaller version of UM34 . But, it has a buildin lithium battery. It is an invention of Andreas Spiess you can find here. I have a video of the entire process of it.
- [Power supply - Charger for lead acid and mobile phones](https://alfadex.com/2019/05/power-supply-charger-for-lead-acid-and-mobile-phones/) - Here i have made a lead acid battery charger and collect all my chargers for mobile,tablet,electr.cigarrete in a box.Lead Acid batteries : As you can see below there is power supply 0-30 Volt 3A for charging lead acid battery .Every cell of those batteries is rated 2.4 Volt .So, 6 batteries in series ,is reated
- [Antigraviator](https://alfadex.com/2019/02/antigraviator/) - After a long i manage to make this operate. It is an Antigraviator,it can hold the weight of a magnet on the air in a high frequency rate. It took me too long to make it work , because i have not understand that coil has polarity! All files for Antigraviator and many info can be found here
- [Crossfire 2 quadcopter](https://alfadex.com/2018/07/crossfire-2-quadcopter/) - Hellooo,I will show my first quadcopter. It is 10" ,3d printed with 3s 2600mAh battery. After a lot tuning it is time to show here my progress. I want to use it for aerial photo and for that i use Runcam split mini 1080i 60fps. Biggest challenge was to stabilize quadcopter tunning pids and second
- [Tiny Altimeter](https://alfadex.com/2018/05/tiny-altimeter/) - I made a really Tiny Altimeter from here that is working good. It consist of an arduino pro mini, ,the display ,a sensor bmp085 a battery lithium 3.7v 1000mAh and the charger for the battery tp4056 board. I try to connect display through hardware spi but i have display shifting , so i connect it with iic.You
- [Burn bootloader on a Atmega1284p or 644p for reprap](https://alfadex.com/2014/05/burn-bootloader-on-a-atmega1284p-or-644p-for-reprap/) - I am going to so you ,how to burn the appropriate bootloader , using Arduino uno ,for using it to your rep rap. Things we are going to need, is the following circuit, an arduino uno and our atmega of course. So, we did it on a breadboard
- [Reprap Prusa Mendel 2](https://alfadex.com/2015/03/reprap-prusa-mendel-2/) - I don't know where to start for this huge discovery. Yes it is a discovery. Before this, we can not even imagine plastic thing creation in our storehouse. It was a company issue,with many computers working on it, complex machines working all day and many people front of computers for ckecking. Now, (with a few
- [Reprap Prusa Mendel 2 (section 2)](https://alfadex.com/2015/03/reprap-prusa-mendel-2-section-2/) - And continue with the MDF box. I place all pcb on the left side and i add a glass as a door. (but glass finally after research was not a good idea for 3d printer) And madness is continued..,... there are thousant
- [Power supply 0-30V 5A](https://alfadex.com/2015/03/power-supply-0-30v-5a/) - I would like to present a power supply I made from the begging. I had imagine this case and exactly it appears here and I make my vision true! Lets start It's a power supply 0-30 volts and 0-5 amber constantly ,we can increase the current up to 10 amber adding fans to the output
- [Portalcyclone CNC for pcb](https://alfadex.com/2016/12/portalcyclone-cnc-pcb/) - After a long time and many experiments with this good enough cnc ,it's time to present it here so that other people be helped or compare it with other machines.It is Portalcyclone PCB My main goal was for pcb engraving, when I complete it i realize that it should be muuuch smaller for pcb ,it is
- [New raspberry portable camera](https://alfadex.com/2016/11/new-raspberry-portable-camera/) - After Raspberry camera streaming video project for video streaming i had made , i upgrade it to a new case with a 3.5" touch screen display, hard disk for video recorfing and a more robust construction. I also install octopi for a later use with my 3d printers. Display is from ebay and costs 10 euro
- [Filament Extruder](https://alfadex.com/2015/03/filament-extruder/) - And yes, it is time to make my own filament extruder!! I already have spend too much money for buying this so useful material to print with my reprap pursa mndel 2. I can only say, that spending cost is 1/10 less ,instead of making your own filament!!!! And yes, it deserve making one of these.
- [Remote Desktop on Raspberry pi (vnc)](https://alfadex.com/2014/11/remote-desktop-on-raspberry-pi-vnc/) - Ok, now we are going to enable remote session on raspberry pi through windows. Does not matter what windows you have. You will be able to control rasp, from your windows mouse and keyboard and watch it on youw windows display. With this way i will explain, you have not to connect mouse ,keyboard and
- [Portable Raspberry Pi](https://alfadex.com/2015/10/portable-raspberry-pi/) - Hello, i will show here how to made a portable case for raspberry Pi and video(cvbs) input. My first consept was to make this case for a portable TV tuner and video input. But two Pi was laying around and i thought one of them could be used for this project. So, it is
- [Ap,repeater,ad-hoc,wds ,etc...](https://alfadex.com/2015/12/aprepeaterad-hocwds-etc/) - Ad-hoc Ad hoc is a Latin Phrase meaning "for this".The network is ad hoc because it does not rely on a pre existing infrastructure, such as routers in wired networks or access points in managed (infrastructure) wireless networks.In contrast, ad hoc networks are dynamically formed amongst a group of wireless users and require no existing
- [Mp3 portable](https://alfadex.com/2015/03/mp3-portable/) - I am going to show here an mp3 player with rechargeable battery with fm with aux in with earphone out with bluetooth with card reader player usb player It was in idea that i think in a night.I had in my mind exactly this. Using a tablet or your mobile phone you can also
- [Function Generator](https://alfadex.com/2015/03/function-generator-3/) - Here is a project for a function generator with the popular IC XR2206 The function generator can generate Square, TTL, Sine and Triangle waveforms from 1Hz to ~1Mhz with Voltage regulation to Square Sine and Triangle waveforms. Circuit and components here IC1___________LM7812 12V DC voltage regulator IC2___________XR2206 Function Genertor IC3___________LM7805 5V
- [Raspberry camera streaming video](https://alfadex.com/2014/11/raspberry-camera-streaming-video/) - I will explain here how to stream video on your network through wifi or ethernet cable.We will stream it with rstp protocol. You can see it out of your local network but be sure to secure it will password. We will use vlc player to stream video . Note here the delay around 5 second, if
- [Car tablet case](https://alfadex.com/2015/07/car-tablet-case/) - I am here again with a new structure. I made a case for a 4.3" tablet to use in my car ,connected with obd 2 through bluetooth.Cost for this (if you own a 3d printer) is a few euros. Let's begin with the case. I was trying to design a case to place inside the
- [Led cube 8x8x8](https://alfadex.com/2015/04/led-cube-8x8x8/) - A year ago i had start this beautiful project, with condition to be finished at most a month. It was contradict. I realize this project need manyyy hour ,too much free time and endurance. Especially ,if NOBODY give pcbs for free and are asking for money. Not even eagle files. Never was my aim to earn money from project
- [Raspberry run a torrent client](https://alfadex.com/2015/04/raspberry-run-a-torrent-client/) - May it is time to take into serious consideration this . There are hundred of things you can make with it and in my opinion it deserve many hours of playing. Let's focal to our point. There a few ways to turn your rasp, into a torrent handling device..I have test many of them
- [Symmetric power supply based on the LM317 and LM337](https://alfadex.com/2015/03/symmetric-power-supply-based-on-the-lm317-and-lm337/) - i need a power supply +/-5 volts. After , i was thinking what should o do if i need 12 or 9 or 15 volts. So i make a symmetrical adjustable power supply +/- 0-20 volt Positive/Negative Adjustable Voltage Regulator Module. Based on LM317 / LM337 Regulator IC Design, AC Input, DC Output. Complete Series
- [Pcb driller](https://alfadex.com/2015/03/pcb-driller/) - Yes,that's it a machine to make drills to your pcb for through hole component First of all ,i use a corner piece of wood, as base. I screw up an aluminium angle and i fasten this camera stand. On that camera stand i screw up the driller.And voila!! i use this iron angle to
- [Thermoelectric effect](https://alfadex.com/2015/03/thermoelectric-effect/) - I come across to this vey nice phenomenon , so i construct an easy structure that describe exactly what happens . I will try to explain in simple words .Let's begin We will need Thermoelectric Seebeck module and a very good cpu heat shink for Pentium , i choose Zalman CNPS5X , it
- [Breadboard](https://alfadex.com/2015/03/breadboard/) - I made a complete breadboard with 4 separate breadboards . The metallic box is from an security alarm . I cut the upper case so that it can open I made all holes and paint it black. I also add a self-adhesive sticker measured for 4 breadboards Next, i place all
- [Soldering station with fume collector](https://alfadex.com/2015/03/soldering-station-with-fume-collector/) - I was searching something to collects fumes from from soldering but i couldn't find something in a reasonable price. So, i begin to construct it and after a many practicing is now finished. It is a cheap soldering iron with a P.I.D controller along a pump for fumes. Let's begin with the soldering iron .
- [Pcb base holder](https://alfadex.com/2015/03/pcb-base-holder/) - I will present here a pcb holder. I was not not intend to present it ,but i will do it because i was looking to buy a pcb holder and and i was amazed about the prices that i found! Just some pieces from plastic and metal costs around 50 euros!! I have not understand yet
- [Portable TV](https://alfadex.com/2015/03/portable-tv/) - A few months before i through Filmnet to the rubbish,( because of Digea is going to operate in my region ), i thought about to give a breath for a while. So, a TFT display 4.3 inch was laying around and a cheap usb pair speaker for computer. I join those, and i make a
- [Desoldering iron tool](https://alfadex.com/2015/03/desoldering-iron-tool/) - Here i have made an electric desoldering iron tool using a 12V pump No , it is not the black box of an airplane ,it is a wooden box painted black. You can buy an Electronic Desoldering Pump and a pump 12V and do the same as below. It works 100% ,but it would be better to add
- [Thermometer](https://alfadex.com/2015/03/thermometer/) - It is a thermometer that can can from -55 º - 125 º. It is based to DS18B20 from Maxim. It can display the max and the min temp that is measured, until reset is pressed or get of power supply The microcontroler is Pic18F877. The pcb is very easy to construct ,there are
- [Cyclone Separator](https://alfadex.com/2015/03/cyclone-separator/) - Here is very nice project for making a Cyclone Separator to use at your vacuum cleaner in addition with the paper bag or not, I can separate the dust from other meterial that vacuum sniff and separate other materiel to a rounded case and the dust pass through the paper bag. With this smart way
- [Soldering welding](https://alfadex.com/2015/03/soldering-welding/) - I would like to present here a soldering welding Lets begin with a transformer from a microwave Now it is time to take of the output winding with much care Now there is only the input winding We coil a think cable ,i think its around 20mm diameter..We round 2 times this cable to the
- [Multimeter for SCR,diode,led,mosfet etc.](https://alfadex.com/2015/03/multimeter-for-scrdiodeledmosfet-etc/) - It is a very usefel multimeter that must not missing from any laboratory With this useful meter you can measure capacitor SCR Triac Led Diode Transistor Mosfet Fet and it can also recognize the pins of each component! Ok,let's begin,the circuit is based on an Atmega8 you can find needed files here.It's included hex file,
- [Totally homade laser with lpc-826 510mah](https://alfadex.com/2015/03/totally-homade-laser-with-lpc-826-510mah/) - I made a laser with lpc826,all the cost was about 20 euro Lpc826---> 15 euro Lm1084---> 1 euro The case of the flashlight was forgotten in my cubbyhole 19650 batteries---> 2 euro Axis----> 2 euro The axis is the cheapest i found ,it's from a laser 5mW from ebay The heatshink for the laser was
- [Digital LED voltmeter](https://alfadex.com/2015/03/digital-led-voltmeter/) - Digital LED voltmeter tnx to the publisher You can see here a digital meter using the very popular IC 7107. IC2 is using for producing symmetrical supply(+/-5v) to the IC. We can skip using 555 if we have a symmetrical sypply +/-5v. Figure shows a scheme of the voltmeter on the ice display, power
- [Power supply veleman 0-30v. 10A.](https://alfadex.com/2015/03/power-supply-veleman-0-30v-10a/) - I construct a very powerfull and reliable power supply for my laboratory that can give around 10 Ampere from 0-30 volt dc with 6 transistor tip3055 . Lets see what we have here in this pdf file you can find ,schema,pcb board,usefull information,all conections and part list l pcb mine I made an aluminium rectangular
- [Dummy load 10A](https://alfadex.com/2015/03/dummy-load-10a/) - Hello ,i am going to show now and dummy load around 15 ampere maximum Original circuit is from here in Greek language We are using here the 555 as unstable multi vibrator opening and close the gate of the IRFP250. With the pot. 470 Kho we can adjust the duty cycle at the output
- [Capacitance meter and ESR](https://alfadex.com/2015/03/capacitance-meter-and-esr/) - Hello, here i am going to do a presentation for a multimeter that is measure Capacitance meter esr capacitor ESR capacitor frequency meter until 30Mhz frequency generator 1KHz 200mv the main idea was taken from here , but unfortunately there are some wrongs connection and programming for the fuses of the avr are wrong. the
- [Homemade Soldering Station 2 (AVR)](https://alfadex.com/2015/03/homemade-soldering-station-2-avr/) - Hello again,in this section we will make a professional soldering station Original idea was from here the circuit is based on atmega8 from Atmel The main idea is to observe the temperature of the soldering iron through a k type thermocouple and in proportion ,control the supply to the soldering iron.It is based on the
- [Android Game Boy](https://alfadex.com/2015/03/android-game-boy/) - When i was young i use to play video games to my Super Nintendo ,Game Boy, Dreamcast and so on. There are many computer emulators to internet but i would like to make something portable. To play everywhere. So, i use my old Android phone ZTE Blade. How i did it? I bought a Game
- [Creating a Private Torrent (μTorrent)](https://alfadex.com/2015/03/creating-a-private-torrent-μtorrent/) - I will explain in a few words how you can create a torrent file to share with friends ,seeding from your computer, using μTorrent.First of all it would be a good idea (at least until now) to uninstall μTorrent version 3.xx. There are many problems ,specially with providers and install something lower that it ,for
- [Bipolar and unipolar motors](https://alfadex.com/2014/11/bipolar-and-unipolar-motors/) - Two most common types of stepper motor are bipolar and unipolar look the diagram As a general rule of unipolar and bipolar motors 4 Wires: Bipolar only 5 Wires: Unipolar only 6 Wires: Universal 8 Wires: Universal Thing are simple. Unipolar and bipolar is the type of connection each motor.The only
- [AC motor controller](https://alfadex.com/2014/11/ac-motor-controller/) - This is a standard circuit which can be used to adjust the brightness of mains lights and the speed of AC motors. It uses a triac, diac and has a radio-frequency interference (RFI) noise suppression circuit built into it as well.The circuit here controls the average power to a load through the triac by phase control. The ac
- [How pulse width modulation works PWM](https://alfadex.com/2013/12/how-pulse-width-modulation-works-pwm/) - http://www.youtube.com/watch?v=YmPziPfaByw&feature=youtu.be&width=600&height=450&theme=light Very good this video but a complete circuit is the next. And here is double version for controlling two motors 100mA. An a nice tip. Changing the potensiometer R3 , we can change the out frequency of the 555.
- [Symmetrical power supply](https://alfadex.com/2014/02/symmetrical-power-supply/) - i need a power supply +/-5 volts. After , i was thinking what should o do if i need 12 or 9 or 15 volts. So i make a symmetrical adjustable power supply +/- 0-20 volt Positive/Negative Adjustable Voltage Regulator Module. Based on LM317 / LM337 Regulator IC Design, AC Input, DC Output. Complete Series
- [Arduino ISP (In System Programming)](https://alfadex.com/2014/02/arduino-isp-in-system-programming/) - We use an Arduino to program other ATmega without bootloader . This technique allows you to use a standalone Atmega empty chip for making code and make boards, cheaper than those with bootloader.An empty atmega 328p ,costs 6 $, whereas an atmega with bootloader costs around 11$.If we use Arduino for a specific use, we can
- [Adjustable voltage regulator 100mA](https://alfadex.com/2013/12/adjustable-voltage-regulator-100ma-2/) - Hello , i made this pcb just only to supply an mp3 player, that use only one battery 3AAA ,but in 2 hours battery was run out. I used rechargeable batteries ,but without good enough result. So, i was searching around for something better and i found the best!! And yes ,as most times i
- [Stepper Motor Controller through pc](https://alfadex.com/2014/01/stepper_motor_controller_through_pc/) - Here is a way to control a motor with your computer.The motor can be unipolar or bipolar . I will use parallel port of my computer and i'll use only four pins. Those are 2,3,4,5 pins of parallel. or D0,D1,D2.D3 as photo. With 4 pins of parallel we can manage all different combinations. Connection can be
- [Led blinking from 230V](https://alfadex.com/2013/12/led-blinking-from-230v/) - My friend and i was needing a led blinking from 230V. Withoutt transformer ,without pcb ,just a led and few components And this exactly what we've made!! The operation of this circuit is obvious. Capacitor charge through 47k and diode ,when it reach 30-32 V, (voltage that diac starts operate), then start discharge through 270
- [78xx-LM317 pcb](https://alfadex.com/2013/12/78xx-lm317-pcb-2/) - Ok, you will find here some useful pcbs to make your small power supply easily and quickly. Those are 4 pcbs. 78xx , 79xx and adjustable lm317 , lm337 schematic and pcbs. Size of the pcb is 35nn x 57mm. Coupling and decoupling capacitors are very important,especially if you design circuits with micro controllers or

## Pages

- [Tree Pencil Holder](https://alfadex.com/3d-printed-objects/tree-pencil-holder/) - this is a pencil holder ! it look like a corm of a tree with a hole in the center. It last around 7 hours for the small and 11 hours for the big. The smal is 60mm tall and the other is 118mm. If you want to download this click [url=http://www.thingiverse.com/thing:444267] here [/url] I
- [GM328 Transistor Tester](https://alfadex.com/3d-printed-objects/gm328-transistor-tester/) - I made a printed box for this wonderful transistor tester. There is a 9V rechargeable battery inside. You can see specification of tester here. Indeed, it can measure almost all components
- [3D Printed objects](https://alfadex.com/3d-printed-objects/)
- [Drawer for smd](https://alfadex.com/drawer-for-smd/) - It is a really nice and customizable drawer for smd componentes found here. I have customize it for many small cases.
- [T-REX SKULL](https://alfadex.com/t-rex-skull-2/) - You can dowload it from here it took around 13 hours for each piece
- [ATX power supply mount](https://alfadex.com/3d-printed-objects/atx-power-supply-mount/) - It 's time to tidy up cables and make an atx supply usefull for every day use. I made one with 12v - 5v and an ammeter to 12v and another one with a mystery battery charger . You can find files for printing here. And next is
- [Weather Forecast with esp8266](https://alfadex.com/3d-printed-objects/weather-forecast/) - I made a very nice Weather Forecast with dislay 1.8" and esp8266 . It is connected through wi-fi with http://openweathermap.org and shows temp forecast for the next hours.You can find more info and code to the author page here, great tnx for this. It is printed with abs with 0.4 layer an d25% infil , total plastic
- [Jewelry box](https://alfadex.com/jewelry-box/) - A jewelry box to hide jewelry inside
- [Barrel](https://alfadex.com/barrel/) - Here is a miniature barrel , you can hide things inside it
- [Minion](https://alfadex.com/3d-printed-objects/minion/) - Avery nice and perfect size minion creature from here https://www.youtube.com/watch?v=pOSDs7V7gVE&feature=youtu.be
- [Vases](https://alfadex.com/3d-printed-objects/vases/) - https://www.youtube.com/watch?v=TFhejXwbdfA&width=260&height=210 https://www.youtube.com/watch?v=JjHds647L4o&feature=youtu.be
- [Links](https://alfadex.com/links/) - Convert units Imajeenyus Ronald Walters's machines Pcbheaven alexkaltsas Candrian.gr Emoticon oshpark
- [SKULL 3d printed](https://alfadex.com/3d-printed-objects/skull/) - One of the best printed things and one of the hardest. It last a hole day (24 hours). I print it only one time, without tests. I decide to print it with support and i thing it is a must. It is one hole thing, teeth are not separate.I will include gcode file, maybe it
- [Drawer box for screws](https://alfadex.com/3d-printed-objects/drawer-box-for-screws/) - I print a customizable drawer box for screws . Printing time was around 13 Hours. You can download it here ,with scad files, so that to customize it for your need.It is painted. Perfect implementation
- [Botl](https://alfadex.com/3d-printed-objects/botl/) - I knew i try to made something difficult and without any support ad the result was disappointing I would made this Ok, let'us begging, everything at the start seems to be perfect Buut ,at the middle and upper design was blemish https://www.youtube.com/watch?v=jr00kd6XTY8 https://www.youtube.com/watch?v=4GG6vwnbfkA https://www.youtube.com/watch?v=NeGC9fXL8BE
- [About](https://alfadex.com/about/) - My name is Pantelis Kotsopodis I am an technician in Electronic devices and enjoy designing and constructing electric and electronic machines & not only . On my site you can see most of the best construction that i 've made . My interests are especially in electronics and internal combustion engine. We can discuss any of projects you are interesting in,with
- [Halloween](https://alfadex.com/3d-printed-objects/halloween/) - Because of Halloween celebration i took the decision to work on halloween! Just look at the photos. Some calabash are 0.4 layers and some other are 0.3. Infill is 40% and perimeter are 3 on side and up
- [Gallery](https://alfadex.com/gallery/)
- [Razor Safety H3R0M4T3's](https://alfadex.com/razor-safety-h3r0m4t3s/) - it is a great razor that is working like those old expensive razors. I didn't believe that it could be so real! you can find it here Razor Safety_ gcode
- [Rose with stem](https://alfadex.com/rose-with-stem/) - Really nice rose with stem from here i painted it with water paint ,orange and green rose_4_130420c gcode stem_130421a gcode
- [3D printed alpha Stirling engine #2](https://alfadex.com/3d-printed-alpha-stirling-engine-2/) - I made a nice stirling engine from here I have to add, it need 4 ball bearings 692ZZ (2mmx6mmx3mm) and 2 683ZZ (3mmx7mmx3mm) .Photos show only 2 692 and 2 683. Assembly is very easy and does not has any difficulty https://youtu.be/enQEeuoYXcM Maybe with more heat , it run a little faster .What???? You don't think so? check below https://youtu.be/j3R1BwB2a3E
- [X-cariage with Hotend V2.0 for Delta](https://alfadex.com/3d-printed-objects/x-cariage-with-hotend-v2-0-for-delta/) - I had an old hot end for 1.75mm filament. I am using 2.75 mm filament so i prefer to buy a new one, because mod the old was more expensive. In my opinion [url=http://Hotend V2.0 for Delta]Hotend V2.0 for Delta[/url] is the best one. It has air diffusion ,it is stable and it is made
- [Steam Engine](https://alfadex.com/steam-engine-2/) - Credits here I don't have any video ,because it is not working very well
- [Piston](https://alfadex.com/3d-printed-objects/piston/) - Here is a piston. It supposed to be very small for key chain , but i resize it and it is around 40mm diameter. download here
- [Pen Holder](https://alfadex.com/pen-holder/) - A time-consuming thing but it i think it deserve.It is a pen holder, all credits goes here. I print it in 2 pieces ,brcause it was too tall for my previous printer congiguration that highest size was anly 68mm. If i made it again with my new printer configuration i can make it 150mm, all
- [Screw box](https://alfadex.com/3d-printed-objects/screw-box/) - Here, you can find a classic box for screws or everything small you need to store. You can make more than one and place the one on the other. Remember this construction is going to spend quite a lot amount of filament . Download [url=http://www.thingiverse.com/thing:177814] here [/url] [url=https://www.youtube.com/watch?v=QpMsOFBTP5A&feature=youtu.be] screw box video [/url]
- [Coupler customiizable](https://alfadex.com/3d-printed-objects/coupler-customiizable/) - Question: How can i connect a motor axis with a shaft Answer: You can make a customize-able coupler, you can adjust ax diameter and shaft diameter. It is a professional tough coupler for small motors. Download [url=http://www.thingiverse.com/thing:7678] here [/url]
- [Fan grille customizable](https://alfadex.com/3d-printed-objects/fan-grille-customizable/) - You can make a useful fan cover in every size you want.That is really easy and very helpful ,it is customize-able so that you adapt it to your needs. You can find it [url=http://www.thingiverse.com/thing:11906] here [/url]
- [Woman nude](https://alfadex.com/3d-printed-objects/woman-nude/) - And now one of the most beautiful things i made. It a nude woman Fill destiny is 0.4 and height is 0.2 with nozzle 0.5
- [New wade's gear](https://alfadex.com/3d-printed-objects/new-wades-gear/) - I decide to make another one newer wade gear from many there are . So, download it [url=http://www.thingiverse.com/thing:18379]here[/url] It works perfect and because of bigger gear than original one, extruder driver is not hot anymore. [url=https://www.youtube.com/watch?v=e2wubvNHdH8&feature=youtu.be] big gear [/url] [url=https://www.youtube.com/watch?v=vYe4vLky0Zg&feature=youtu.be]wade's gear [/url]
- [Filament spooler big](https://alfadex.com/filament-spooler-big/) - I need a big enough spoller for my extruder and this i made is the best I am usnig abs material 2.75 mm. As you may know ,abs has an issue. It like wrapping, Wrapping mean especially corners turns up .The first one i made was reallt bad. Those 3 axis goes up around 10mm
- [Other](https://alfadex.com/other/)
- [Raspberry pi](https://alfadex.com/raspberry-pi/)
- [Power supply](https://alfadex.com/power-supply/)
- [Arduino](https://alfadex.com/arduino/)
- [Theory](https://alfadex.com/theory/)
- [Software](https://alfadex.com/software/)
- [Projects](https://alfadex.com/progect1/)
- [Forum](https://alfadex.com/forum/)

## Galleries

- [Repair](https://alfadex.com/bwg_gallery/repair/)
- [Side Gallery](https://alfadex.com/bwg_gallery/side-gallery/)

## Albums

- [Electtronics](https://alfadex.com/bwg_album/electtronics/) - Pcb & not only Repair

## Gallery Share

- [Image](https://alfadex.com/bwg_share/image/)

## Categories

- [Uncategorized](https://alfadex.com/category/uncategorized/)
- [music](https://alfadex.com/category/music/)
- [led](https://alfadex.com/category/led/)
- [Voltage regulator](https://alfadex.com/category/voltage-regulator/)
- [Tutorial](https://alfadex.com/category/tutorial/)
- [Software](https://alfadex.com/category/software/)
- [Arduino](https://alfadex.com/category/arduino/)
- [programming](https://alfadex.com/category/programming/)
- [Reprap](https://alfadex.com/category/reprap/)
- [power electronics](https://alfadex.com/category/power-electronics/)
- [laser](https://alfadex.com/category/laser/)
- [Other](https://alfadex.com/category/other/)
- [meter](https://alfadex.com/category/meter/)
- [Tools](https://alfadex.com/category/tools/)
- [Raspberry](https://alfadex.com/category/raspberry/)
- [3d printing](https://alfadex.com/category/3d-printing/)
- [Manufacturing](https://alfadex.com/category/manufacturing/)
- [RC](https://alfadex.com/category/rc/)
- [Home Assistant](https://alfadex.com/category/home-assistant/)

## Tags

- [lm317](https://alfadex.com/tag/lm317/)
- [lm337](https://alfadex.com/tag/lm337/)
- [7805](https://alfadex.com/tag/7805/)
- [7812](https://alfadex.com/tag/7812/)
- [7905](https://alfadex.com/tag/7905/)
- [7912](https://alfadex.com/tag/7912/)
- [PWM modulation](https://alfadex.com/tag/pwm-modulation/)
- [pwm](https://alfadex.com/tag/pwm/)
- [modulation](https://alfadex.com/tag/modulation/)
- [Adjustable](https://alfadex.com/tag/adjustable/)
- [voltage](https://alfadex.com/tag/voltage/)
- [regulator](https://alfadex.com/tag/regulator/)
- [lp2951](https://alfadex.com/tag/lp2951/)
- [smd](https://alfadex.com/tag/smd/)
- [unipolar](https://alfadex.com/tag/unipolar/)
- [bipolar](https://alfadex.com/tag/bipolar/)
- [stepper](https://alfadex.com/tag/stepper/)
- [motor](https://alfadex.com/tag/motor/)
- [arduino](https://alfadex.com/tag/arduino-2/)
- [atmega328p](https://alfadex.com/tag/atmega328p/)
- [ISP](https://alfadex.com/tag/isp/)
- [bootloader](https://alfadex.com/tag/bootloader/)
- [dimmer](https://alfadex.com/tag/dimmer/)
- [230v](https://alfadex.com/tag/230v/)
- [zero](https://alfadex.com/tag/zero/)
- [cross](https://alfadex.com/tag/cross/)
- [MOC3021](https://alfadex.com/tag/moc3021/)
- [Triac](https://alfadex.com/tag/triac/)
- [50Hz](https://alfadex.com/tag/50hz/)
- [symmetrical](https://alfadex.com/tag/symmetrical/)
- [sypply](https://alfadex.com/tag/sypply/)
- [volts](https://alfadex.com/tag/volts/)
- [93cxx](https://alfadex.com/tag/93cxx/)
- [24cxx](https://alfadex.com/tag/24cxx/)
- [ponyprog](https://alfadex.com/tag/ponyprog/)
- [memory](https://alfadex.com/tag/memory/)
- [relay](https://alfadex.com/tag/relay/)
- [singal](https://alfadex.com/tag/singal/)
- [Atmega1284p](https://alfadex.com/tag/atmega1284p/)
- [atmega644p](https://alfadex.com/tag/atmega644p/)
- [burn](https://alfadex.com/tag/burn/)
- [reprap](https://alfadex.com/tag/reprap-2/)
- [Gen7](https://alfadex.com/tag/gen7/)
- [raspberry](https://alfadex.com/tag/raspberry/)
- [pi](https://alfadex.com/tag/pi/)
- [vnc](https://alfadex.com/tag/vnc/)
- [remote desktop](https://alfadex.com/tag/remote-desktop/)
- [putty](https://alfadex.com/tag/putty/)
- [camera](https://alfadex.com/tag/camera/)
- [streaming](https://alfadex.com/tag/streaming/)
- [stream](https://alfadex.com/tag/stream/)
- [video](https://alfadex.com/tag/video/)
- [rstp](https://alfadex.com/tag/rstp/)
- [torrent](https://alfadex.com/tag/torrent/)
- [file](https://alfadex.com/tag/file/)
- [ip](https://alfadex.com/tag/ip/)
- [port](https://alfadex.com/tag/port/)
- [forward](https://alfadex.com/tag/forward/)
- [router](https://alfadex.com/tag/router/)
- [power](https://alfadex.com/tag/power/)
- [dummy](https://alfadex.com/tag/dummy/)
- [supply](https://alfadex.com/tag/supply/)
- [load](https://alfadex.com/tag/load/)
- [amper](https://alfadex.com/tag/amper/)
- [30v](https://alfadex.com/tag/30v/)
- [digital](https://alfadex.com/tag/digital/)
- [voltmeter](https://alfadex.com/tag/voltmeter/)
- [7107](https://alfadex.com/tag/7107/)
- [laser](https://alfadex.com/tag/laser/)
- [Lpc826](https://alfadex.com/tag/lpc826/)
- [Thermometer](https://alfadex.com/tag/thermometer/)
- [44780](https://alfadex.com/tag/44780/)
- [DS18B20](https://alfadex.com/tag/ds18b20/)
- [0-30](https://alfadex.com/tag/0-30/)
- [2n3055](https://alfadex.com/tag/2n3055/)
- [LM723](https://alfadex.com/tag/lm723/)
- [capacitor](https://alfadex.com/tag/capacitor/)
- [SCR](https://alfadex.com/tag/scr/)
- [Diode](https://alfadex.com/tag/diode/)
- [Transistor](https://alfadex.com/tag/transistor/)
- [Mosfet](https://alfadex.com/tag/mosfet/)
- [Fet](https://alfadex.com/tag/fet/)
- [atmega 8](https://alfadex.com/tag/atmega-8/)
- [welding](https://alfadex.com/tag/welding/)
- [soldering](https://alfadex.com/tag/soldering/)
- [cyclone](https://alfadex.com/tag/cyclone/)
- [seprator](https://alfadex.com/tag/seprator/)
- [generator](https://alfadex.com/tag/generator/)
- [IC XR2206](https://alfadex.com/tag/ic-xr2206/)
- [frequency](https://alfadex.com/tag/frequency/)
- [function](https://alfadex.com/tag/function/)
- [Khz](https://alfadex.com/tag/khz/)
- [desoldering](https://alfadex.com/tag/desoldering/)
- [iron](https://alfadex.com/tag/iron/)
- [portable](https://alfadex.com/tag/portable/)
- [tv](https://alfadex.com/tag/tv/)
- [digea](https://alfadex.com/tag/digea/)
- [filmnet](https://alfadex.com/tag/filmnet/)
- [pcb](https://alfadex.com/tag/pcb/)
- [holder](https://alfadex.com/tag/holder/)
- [tool](https://alfadex.com/tag/tool/)
- [station](https://alfadex.com/tag/station/)
- [hakko](https://alfadex.com/tag/hakko/)
- [907](https://alfadex.com/tag/907/)
- [prusa](https://alfadex.com/tag/prusa/)
- [mendel](https://alfadex.com/tag/mendel/)
- [irratation](https://alfadex.com/tag/irratation/)
- [3d printer](https://alfadex.com/tag/3d-printer/)
- [nema17](https://alfadex.com/tag/nema17/)
- [filament](https://alfadex.com/tag/filament/)
- [abs](https://alfadex.com/tag/abs/)
- [pla](https://alfadex.com/tag/pla/)
- [rearap](https://alfadex.com/tag/rearap/)
- [extruder](https://alfadex.com/tag/extruder/)
- [breadboard](https://alfadex.com/tag/breadboard/)
- [bird](https://alfadex.com/tag/bird/)
- [switch](https://alfadex.com/tag/switch/)
- [timer](https://alfadex.com/tag/timer/)
- [atmega](https://alfadex.com/tag/atmega/)
- [timew](https://alfadex.com/tag/timew/)
- [bord](https://alfadex.com/tag/bord/)
- [thermoelectric](https://alfadex.com/tag/thermoelectric/)
- [eggect](https://alfadex.com/tag/eggect/)
- [Peltier](https://alfadex.com/tag/peltier/)
- [drill](https://alfadex.com/tag/drill/)
- [board](https://alfadex.com/tag/board/)
- [mp3](https://alfadex.com/tag/mp3/)
- [usb](https://alfadex.com/tag/usb/)
- [tp4056](https://alfadex.com/tag/tp4056/)
- [card](https://alfadex.com/tag/card/)
- [micro sd](https://alfadex.com/tag/micro-sd/)
- [bluetooth](https://alfadex.com/tag/bluetooth/)
- [speaker](https://alfadex.com/tag/speaker/)
- [android](https://alfadex.com/tag/android/)
- [download](https://alfadex.com/tag/download/)
- [web](https://alfadex.com/tag/web/)
- [announce](https://alfadex.com/tag/announce/)
- [upload](https://alfadex.com/tag/upload/)
- [deluge](https://alfadex.com/tag/deluge/)
- [cude](https://alfadex.com/tag/cude/)
- [avr](https://alfadex.com/tag/avr/)
- [32A](https://alfadex.com/tag/32a/)
- [diffuse](https://alfadex.com/tag/diffuse/)
- [3d](https://alfadex.com/tag/3d/)
- [printing](https://alfadex.com/tag/printing/)
- [rep rap](https://alfadex.com/tag/rep-rap/)
- [obd](https://alfadex.com/tag/obd/)
- [torque](https://alfadex.com/tag/torque/)
- [pulley](https://alfadex.com/tag/pulley/)
- [belt](https://alfadex.com/tag/belt/)
- [led](https://alfadex.com/tag/led/)
- [raspberry PI](https://alfadex.com/tag/raspberry-pi/)
- [tv tuner](https://alfadex.com/tag/tv-tuner/)
- [video input](https://alfadex.com/tag/video-input/)
- [controller](https://alfadex.com/tag/controller/)
- [1080](https://alfadex.com/tag/1080/)
- [hdmi](https://alfadex.com/tag/hdmi/)
- [case](https://alfadex.com/tag/case/)
- [ad-hoc](https://alfadex.com/tag/ad-hoc/)
- [hotspot](https://alfadex.com/tag/hotspot/)
- [access point](https://alfadex.com/tag/access-point/)
- [ap](https://alfadex.com/tag/ap/)
- [repeater](https://alfadex.com/tag/repeater/)
- [extender](https://alfadex.com/tag/extender/)
- [bridge](https://alfadex.com/tag/bridge/)
- [wds](https://alfadex.com/tag/wds/)
- [display](https://alfadex.com/tag/display/)
- [3.5"](https://alfadex.com/tag/3-5/)
- [cnc](https://alfadex.com/tag/cnc/)
- [3d printing](https://alfadex.com/tag/3d-printing/)
- [factory](https://alfadex.com/tag/factory/)
- [portal](https://alfadex.com/tag/portal/)
- [holes](https://alfadex.com/tag/holes/)
- [bits](https://alfadex.com/tag/bits/)
- [bearing](https://alfadex.com/tag/bearing/)
- [bcnc](https://alfadex.com/tag/bcnc/)
- [faltcam](https://alfadex.com/tag/faltcam/)
- [3dpburner](https://alfadex.com/tag/3dpburner/)
- [laser engraving](https://alfadex.com/tag/laser-engraving/)
- [grbl](https://alfadex.com/tag/grbl/)
- [2W](https://alfadex.com/tag/2w/)
- [altimeter](https://alfadex.com/tag/altimeter/)
- [bmp085](https://alfadex.com/tag/bmp085/)
- [3.7v](https://alfadex.com/tag/3-7v/)
- [quadcopter](https://alfadex.com/tag/quadcopter/)
- [crossfire](https://alfadex.com/tag/crossfire/)
- [taranis](https://alfadex.com/tag/taranis/)
- [power supply](https://alfadex.com/tag/power-supply/)
- [charger](https://alfadex.com/tag/charger/)
- [mobile](https://alfadex.com/tag/mobile/)
- [parametric](https://alfadex.com/tag/parametric/)
- [current](https://alfadex.com/tag/current/)
- [truggy](https://alfadex.com/tag/truggy/)
- [openrc](https://alfadex.com/tag/openrc/)
- [brushless](https://alfadex.com/tag/brushless/)
- [rc](https://alfadex.com/tag/rc/)
- [4wd](https://alfadex.com/tag/4wd/)
- [ssd1306](https://alfadex.com/tag/ssd1306/)
- [xbitmap](https://alfadex.com/tag/xbitmap/)
- [gimp](https://alfadex.com/tag/gimp/)
- [grove](https://alfadex.com/tag/grove/)
- [seedstudio](https://alfadex.com/tag/seedstudio/)
- [126x64](https://alfadex.com/tag/126x64/)
- [matrix](https://alfadex.com/tag/matrix/)
- [esp8266](https://alfadex.com/tag/esp8266/)
- [lamp](https://alfadex.com/tag/lamp/)
- [Decorative](https://alfadex.com/tag/decorative/)
- [home assistant](https://alfadex.com/tag/home-assistant/)
- [incandescent](https://alfadex.com/tag/incandescent/)
- [files](https://alfadex.com/tag/files/)