A few weeks ago I've made this radio controller based on Arduino and the NRF24 radio module. Now we can see how to use it. We start with something easy. Servos are controlled with PWM signal. What we do is receive the radio signal, crewte PWM signals and control the servo turret. We als... view more

• RC
• Radio
• servo
• DIY
• 3D
• tank
• Arduino
• NRF24

I've been trying to make a good ESC for years. My first prototype 3 years ago was working "good". It was very big and the BEMF was not that good. It could reach decent speeds and you ahve that tutorial here on this page. Now, with my final version I have all taht I wanted. H... view more

• ESC
• homemade
• Arduino
• PCB
• opensource

In this tutorial we will merge all the parts seen in these past tutorials here. In those tutorials we have seen how to measure resistance, current, indcutnace and capacitance. Measure voltage is very easy. In this tutorial we make a 5 in 1 multimeter based on an Arduino, an ADC module and an... view more

• Arduino
• multimeter
• homemade
• 3D
• OLED
• DIY

This, is version 2 of my very powerful coilgun. As you can see, is huge and it has quite some power and works with high voltage, so please, I can’t stress this enough. Never touch the high voltage parts, stay insulated, use proper tools and if you don’t know what you’re doing... view more

• coilgun
• bullet
• 3D
• printed
• PCB

For a while I’ve been watching PET bottles filament maker projects on YouTube. There are a lot of them, and I have to say, it is a very interesting project and I wanted to make one as well. So, following the same steps and ideas, I’ve made the design, made a schematic for a PCB, 3D... view more

• recycle
• homemade
• 3D
• extruder
• filament

DIY Chronograph project. This is the font code for the arduino DIY chronograph. More instructions will be avaliable soon, as well as part list and STL files for it. A vídeo is beeing made by me to show how to build, program and use the chronograph with the Andr... view more

• chronograph
• detector
• measure
• bluetooth
• 3D

If you’ve accidentally uploaded some code to the Arduino Pro Micro board as “Arduino Micro”, “Arduino Leonardo” or any other board, there is a big chance to brick your board by crashing its bootloader so it won’t be recognized by the... view more

• bootloader
• MICRO
• Arduino
• burn
• ISP
• ArduinoISP
• Arduino as ISP

Multiplexers and demultiplexers are devices that allow us to control a greater number of devices with a smaller number of inputs or outputs. We can use these devices to expand the number of inputs and outputs of a processor like Ardunio.

• Arduino
• module
• multiplexor
• CD74HC4067
• mux

For some time, I had that a green background curtain in my workshop. I sometimes use it when I want to change the background of my videos, because is very easy to use that effect. As I had it till now is very ugly because it stands there in the corner. For now I was using it on some sliding ro... view more

• curtain
• bluetooth
• homemade
• 3D printed
• electric

This module for this post is a coin selector used for those redemption games machines. This can work with pretty much any type of metal coins all around the world. So how does it work? Inside we can see some infrared sensors, some copper coils, an electromagnet, operational... view more

• tests
• Arduino
• selector
• coin
• DIY
• homemade

I've seen this idea on twitter and I wanted to make a homemade one. Is a nice product as humidifier but also as a huge smoking capacitor. You can 3D print it and make the same project with ultrasonic mist generator. Get the 3D files, the schematic and the part list from below and make your... view more

• 3D
• 3D printed
• humidifier
• ultrasonic
• Arduino

Hi guys. This here is my design of a coilgun which is a project I was preparing to make for a long time and I finally made a first version. Before we start, I have to warn you that this is a quite dangerous project for 2 reasons. First, well it fires projectiles at high speed. And se... view more

• coil
• coilgun
• railgun
• electromagnetic
• DIY
• PCB

This PCB is a metal detector. The circuit is very easy and I will do my best in this tutorial to explain to you how it works. I use real examples and animations in the video below so you will understand everything. The PCB is interesting because it already has the coils on the board made with ... view more

• metal
• detector
• sensor
• PCB
• homemade
• DIY

Hey guys. This will be a low-cost reflow hot plate for SMD components and will be homemade. If you remember, a few weeks ago I’ve made another reflow hot plate using a clothes iron of 3000W, a solid-state Relay with and Arduino and other components. That works great but it was ... view more

• reflow
• hot plate
• homemade
• 3D printed
• Soldering

MPU6050 gyro and PID control with stepper motors. Balancing robot with Arduino and PCB and TMC stepper driver. Homeamde 3D printed body and Bluetooth remote.

• balance
• balancing
• robot
• mpu6050
• imu
• PID
• stepper

Finally I've made a working battery based portable soldering iron. This one can melt solder in under 10 seconds, which is amazing. The soldering iron weighs just above 100 grams, is comfortable to use, it can reach more than 300 degrees, it's very fast, we can recharge it with a USB co... view more

• portable
• DIY
• Soldering
• Arduino
• digital
• iron

If you want to see how this circuit works, the other circuits we have for this, the use of a flyback transformer and more examples, check this post. I will show you everything you need to know about this circuit, then we assemble it on a prototyping PCB for one circuit and on a PCB kit for the... view more

• music
• transformer
• arcs
• speaker
• plasma
• flyback

Today we try a circuit from the internet for charging batteries, a BMS or battery management system. I’ll show you a schematic for only one cell and scale it up for any amount of batteries if you want a 2S battery pack, 3S, and so on. The function of this circuit is to charge the batteri... view more

• circuit
• homemade
• charger
• lipo
• BMS

I want to power on my microcontroller for a short time, do a process and then go back to sleep where it consumes 0 apms of current. I’ve done something like that with the ultra-low power mode a few months ago on a different project, but even so, in that mode I was still consuming&nb... view more

• latch
• wake up
• circuit
• homemade
• schematic

This is my first version of a smart-glasses multimeter. Is not the most unique and best look design, but this is yet a first version. I’m pretty sure I will improve it in the future. Anyway, inside the 3D printed case, we have a custom-made PCB that I will show you later, a Bluetooth mod... view more

• PCB
• multimeter
• DIY
• smartglasses
• Arduino
• glasses

I hope you all remember my open-source ESC design that I’ve made last year and the other versions as well. That one is based on a full triple bridge of MOSFETs and a back EMF closed loop control. This one here for today tutorial, is based on a half bridge control. Basic... view more

• ESC
• half bridge
• attiny
• electronic speed controller
• brushless
• Arduino
• attiny85

Working on a new Arduino Based DLP printer with LCD + BMP pictures and UV light!

La idea detrás de este tutorial es hacer algo como este módulo aquí que pueda comprar en eBay, pero haga la versión casera. Este es un módulo de relé controlado por radio. Este tutorial le mostrará cómo hacer el contro... view more

• SSR
• 220V
• Radio
• 433MHz
• low power
• Arduino
• RELE

Drawing bitmap images (.BMP format) on ST7735 TFT display is quite easy because they are uncompressed images unlike JPEG images (.JPG format). This post shows how to draw bitmap images on the ST7735 TFT using Arduino UNO board where the Arduino loads the BMP images from SD card and print ... view more

• Arduino
• TFT
• ST7735
• bmp
• DISPLAY
• picture
• SD card
• SD

In this tutorial I'll show you the circuit of a basic wireless charger, the transmitter and receiver. See how to adapt the resonance and transfer power. Then how to regulate the receiver output at 5V so we could charge a smartphone via USB. Hope you'll learn something new.

• wireless
• homemade
• DIY
• charger
• circuit

First of all, this is jst a first prototype. It works but I can't know all the results for sure and if it is reliable or not. Stay tuned for future versions with improvements, more tests and better code. In this tutorial I will explain you the parts of an MPPT controller, the charging proc... view more

• mppt
• controller
• DIY
• homemade
• Arduino
• charger
• solar

A buck converter (step-down converter) is a DC-to-DC power converter which steps down voltage (while stepping up current) from its input (supply) to its output (load). It is a class of switched-mode power supply (SMPS) typically containing at least two semiconductors (a diode and a transistor,... view more

• buck
• converter
• boost
• Arduino
• PWM
• feedback

In this tutorial I'll show you how the fluorescent tube creates light with electrodes creating electrons, mercury vapor and phosphor inside the tube. Then we analyse how the high voltage is created with the starter and ballast and then how the current flow is keept throgh the tube. I hope ... view more

• plasma
• cfl
• fluorescent
• ballast
• starter

Full tutorial on how to control the Arduino UNO ports using register. Port register manipulation, so be able to set pins as output/input with the DDRB, DDRC and DDRD registers, set pin to high or low PORTB, PORTC and PORD regsiters, or read inputs with the PINB, PINC or PIND registers. See the... view more

• Arduino
• Arduino101
• port
• register
• control

If you want to save permanent data to the Arduino taht won't be erased when you reset the microcontroller, well you have to store the data to the EEPROM, See how to do that. 

• EEPROM
• Arduino
• ROM
• Data

The idea behind this tutorial is to make somethiong like this module here that you could buy from eBay, but make the homemade version. This is a radio controlled relay module. This tutorial will show you how to make the remote controller and the receiver with the relay. The receiver ... view more

• 433MHz
• Radio
• remote
• controller
• relay
• homemade

Switch mode power supplies, SMPS provide improved efficiency & space saving over traditional linear supplies, but care has to be taken to ensure noise on the output is low. view more

• supply
• power
• Power SUpply
• switched
• SMPS

The SHARP GP2Y0A710K0F is a relatively easy to use IR distance sensor with an extra long range of 100 – 500 cm. This extra long range makes it a good alternative for ultrasonic distance sensors.

• GP2Y0A710K0F
• sharp
• sensor
• ir
• distance
• 550mm
• Arduino

A rotary encoder is a type of position sensor that converts the angular position (rotation) of a knob into an output signal that is used to determine what direction the knob is being rotated. Due to their robustness and fine digital control; they are used in many applications including robotic... view more

• encoder
• Arduino
• CLK
• Data
• menu
• LCD

Maybe not a lot of you guys know that the ATmega328 microcontroller has a programmable internal comparator. This could have the positive input connected to pin D6 and the negative inputs connected to any of the inputs A0 to A7 of the Arduino. The output of the comparator could create an interr... view more

• Arduino
• internal
• comparator
• register

A Peltier cooling device is a thermoelectric semiconductor component that can provide cooling with no moving parts. It’s very easy to use and it can get very cold – and also very hot! Today we will conduct a few experiments with a common and inexpensive Peltier cooling device.... view more

• peltier
• generator
• circuit
• thermoelectric

The Seebeck effect is a phenomenon in which a temperature difference between two dissimilar electrical conductors or semiconductors produces a voltage difference between the two substances. When heat is applied to one of the two conductors or semiconductors, heated electrons&nbs... view more

• seebeck
• thermoelectric
• effect
• peltier
• thermocouple

I've made this PCB with the ATmega328p-AU. In case the chip is brand new and doesn't have bootloader, learn here how to burn it with Arduino IDE and an Arduino NANO with ISP code.

• burn
• bootloader
• Atmega328
• Arduino NANO
• how to

Siempre que tengamos un sistema con un microcontrolador actuando sobre motores, definitivamente tendremos problemas de voltaje y corriente como lo explica ELECTRONOOBS en su  tutorial sobre ESCs . Los microprocesadores suelen trabajar a un voltaje de 3,3 o 5 voltios y utilizan... view more

• brushless
• casero
• ESC

This project is still in progess. See the past version HERE. Now I want to make it bigger to have more space for cool stuff such as a smoke machine, BB gun and more battery. For now I have the design for the bottom part and middle of the tank. Soon I will post the rest of the design... view more

• radio control
• RC
• 3D printed
• tiger 1
• tank

See how to make the 3D printed case, make the circuit, amplify sound and select speakers, receive music from Bluetooth transmitter and make the homeamde headphones. view more

• DIY
• bluetooth
• headphones
• homemade
• 3Dprinted

See how I've made my own PCB for the well know circuit of ATtiny85 Arcade game. Here you will have the schematic, part list, step by step of soldering components, how to burn bootloader and how to upload codes for different games to the ATtiny85. I know this is nothing new and you have more here ... view more

• attiny
• PCB
• arcade
• console
• game
• attiny85

In this tutorial I will show you how I've made my first version of this brushed DC motor speed controller. Please have in mind in the video I had some errors that I've fiexed in the final schematic. The controller has PWM control with 3 MOSFETs in parallel for more power and heat dissipation. It ... view more

• ESC
• Arduino
• E-bike
• electric
• bike
• brushed
• DC

In this tutorial I show you how I've build a homemade electronic load with Arduino, an LCD, rotary encoder for the menu and a power MSOFET for load control. It also has a good cooling system so it could handle high loads. See how to make the circuit, the case, connect everything, see the code I'v... view more

• electronic
• load
• constant
• controller
• Arduino
• digital
• power

In this tutorial we go step by step on how I've made the frame of the mirror, how to prepare the one way type of mirror using a special film, thenw e see the scheamtic and all the electroncis we need, we mount the mirror and we upload the software on the raspberry pi. Finally we make our configur... view more

• google
• alexa
• homemade
• DIY
• raspberry
• iot
• mirror
• smart

Once you have the PCB from the past tutorial made on this link, you can uplaod the simple watch code example. This code as you can see below can set time, store the values to the real time clok chip, set an alarm with interrumptions, have a stopwatch and more. Read the code for more. The consumpt... view more

• OLED
• bluetooth
• Arduino
• PCB
• smartwatch
• watch

We are going to buil a nice and fun radio controlled airplane. To make this project even better we are going to 3D print a real replica of the war Spitfire plane. If you don't have a 3D printer, there will be other tutorials on how to build a plane out of wood, foam or cardboard. The rest of the ... view more

• 3D
• plane
• 3D printed
• spitfire
• RC
• radio control

Welcome to this step by step assemble of this 3D printed plane. I say it again, I'm not a professional 3D designer, so, this might have a lot of issues. Anyway, in this tutorial you will see the parts we have for the plane, some tips of how I've designed some of those parts, the part list we need... view more

• p38
• STL
• 3D printed
• RC
• plane

In this tutorial we will see how I've made my own homemade powerful smoke machine. This device works at 220V AC so be careful. It has an internal heater and through a tube we pass glycerin. This liquid, at high temperatures will create smoke. It is non toxic so don't worry. We use this liquid at ... view more

• 220V
• homemade
• glycerin
• DIY
• machine
• smoke

I wanted to make this project for a long time. Inspired by a projet of HowToMechatronics from a few years ago. This robot is fully 3D printed and is just the first version and is sensorless. In the future I want to add a lot more controls and sensors. This robot has 18 high torque servo motors, r... view more

• robot
• HEXAPOD
• ROBOTICS
• Android
• Arduino
• bluetooth
• servo
• 3D printed

This is a very basic tutorial. I will show you how to build a constant load controller. What is that? Well, imagine you want to test the efficiency of a power supply. At a certain voltage output, you should create a current values table and get the effiency curve. For taht you need different valu... view more

• constant
• load
• controller
• Arduino
• power
• DIY
• homemade

view more

• keypad
• alfabeto
• Arduino
• PCB
• Teclado
• keyboard
• i2c
• text
• chat

Usually, each time I have a project with a small battery that I also want to charge, I use a small charging module with USB connector. But then, all the other digital components usually work at 5V, but the battery is 3.7V. So, for that I add another small module, a boost converter to give me 5V. ... view more

• charger
• BMS
• battery
• PCB
• DIY
• converter
• boost

He estado tratando de hacer un buen ESC durante años. Mi primer prototipo hace 3 años estaba funcionando "bien". Era muy grande y el BEMF no era tan bueno. Podría alcanzar velocidades decentes y tienes ese tutorial aquí en esta página . Ahora, con mi versión fi... view more

• ESC
• Arduino
• código abierto
• casero
• PCB

I always wanted a prompter so now I've made one. We can control it fron any PC with HDMI output. It has an LCD with HDMI controller, adaptor for tripod and more. Is quite easy to build and the most expensive part is the LCD. The rest are just some wood, a piece of glass and screws. So, let's see. view more

• prompter
• homemade
• DIY
• LCD
• HDMI

En este tutorial he fusionado algunos sensores para medir la distancia con sensores de luz infrarroja, medir la longitud con un codificador giratorio y una rueda impresa en 3D, medir el nivel con un módulo IMU, pero también ángulos con ese mismo módulo y finalmente medir las RPM con otro tipo... view more

• metro
• Arduino
• angulo
• medir
• distancia
• ir
• longitud
• mpu6050

Este es mi electronoobino, versión 1. O. En este tutorial te mostraré cómo hice mi propia placa como Arduino Uno pero con algunos complementos únicos que quería. Mi placa tiene una doble fila de pines, puerto SPI compatible con estos módulos NRF24 porque los uso mucho, puerto mini B US... view more

• schematic
• Arduino
• uno
• breadboard
• homemade
• PCB

Si siempre se preguntó qué transistor de potencia debería usar para sus circuitos, en este artículo veremos las principales diferencias entre el IGBT, el BJT y, por supuesto, el MOSFFET. Como diseñador, ¿tendrá que determinar si usar BJT o MOSFET en la etapa de potencia de la aplicaci... view more

• transistores
• comparación
• BJT
• mosfet
• IGBT
• vs
• teoría

Desde hace algún tiempo, quizás más de un año, quería hacer mi propia extrusora de filamento 3D para reciclar piezas impresas en 3D viejas o malas. Pero una extrusora de filamento necesita algunas partes, como el motor, la extrusora, el bloque de calentamiento, el proceso PID, pero tamb... view more

• caliper
• digital
• medidor
• filamento
• i2c
• Arduino

Please see the past ESP8266 tutorial in order to learn more. You have a lot more details about this in that tutorial. We detect the door open with a hall sensor and a magnet. The Arduino will send the data to a database that we have on our website and we do that with the ESP8266. The ph... view more

• Arduino
• iot
• ESP8266
• internet of things
• push notification
• alarm

Hace algún tiempo compré este kit de levitación magnética de eBay para ver cómo funciona y qué necesitamos para hacerlo. Estoy planeando hacer mi propio circuito de levitación usando Arduino, pero eso es para un proyecto futuro. El kit que recibí no tenía manual ni circuito, as... view more

• magnetica
• levitación
• DIY
• KIT
• hall
• PCB

Full theory from electronics-tutorials.ws. One of the main reasons that we use alternating AC voltages and currents in our homes and workplace’s is that AC supplies can be easily generated at a convenient voltage, transformed (hence the name transformer) into much higher voltages and then ... view more

• transformers
• AC
• DC
• theory
• formulas
• EMF

Full theory... view more

• transformers
• construction
• metal core
• ferrite
• theory

Months back I've made an Arduino based multimeter that was able to measure quite well voltage, current, capacitance, inductance and resistance. That was soldered on a homemade PCB and with wire connections, you can see that tutorial here. But that version had some errors. First of all the ci... view more

• multimeter
• homemade
• DIY
• Arduino
• OLED
• portable

In this tutorial we will see how to make a Magic 8 ball with the Arduino. This is based on the real magic ball which is based on liquid and floating principle with a plastic dice with 20 answers inside. Once you shake the ball, a random side of the dice will get on top of the black liquid and a r... view more

• magic 8
• ball
• 3D printed
• 3D
• Arduino
• DFplayer
• OLED
• screen
• DIY

En un tutorial anterior que puede encontrar en este enlace , hemos visto cómo hacer un controlador de radio basado en Arduino con múltiples canales. Luego, hemos visto en este otro tutorial , cómo usar ese controlador y mover servos para una torreta impresa en 3D. ... view more

• 3D
• coche
• bluetooth
• mando
• DIY
• Arduino
• casero
• RC
• control
• Radio

This is a prototype on a Variable Frequeny Driver or VFD. With this circuit we would control the frequency of high AC voltage and by that the speed of induction AC motors. Since we work with high voltage, is a dangerous circuit so be careful. The idea is to turn 230V AC voltage to DC vo... view more

• VFD
• variable
• frequency
• driver
• AC
• high
• voltage
• Inverter

I was waiting for this service for some time. Alo, the price is very low cost so now we can get the PCBs and all the components already soldered for just a few dollars per PCB. So, we could sell our designs and that's awesome. This will help our community a lot. So, this is what you need to know ... view more

• tutorial
• how to
• JLCPCB
• order
• PCB
• SMT

In this tutorial we will make a homemade lidar. Is not as good as commercial lidar sensor, but it would be good enough for some small robot to avoid obstacles. I will show you what is a lidar sensor, how they work and how I’ve made a homem... view more

• lidar
• Arduino
• sensor
• distance
• robot
• TOF

In a past tutorial here, I've showed you how you could create the high frequency high voltage for the Tesla coil. I want to make my own circuit and a way bigger coil. In order to separate the high voltage from the low voltage of the Arduino and the audio generator part, I want to use an infr... view more

• ir
• infrared
• receiver
• transmitter
• audio
• tesla
• coil

Halloween is close and I wanted to make a related cool project. Of course, it will involve a pumpkin. But to make it last longer, I’ve made a 3D printed one. After I’ve made a simple design and divided in a few parts, 3D printed it and give it a pain job, I had a cool looking plastic pumpkin.... view more

• halloween
• pumpkin
• Arduino
• DFplayer
• mp3
• RGB
• WS2812

If you ever opened a power supply of some sort, you might have seen a special component. That is a transformer but used in a FLYBACK configuration or sometimes called a coupled inductor. You will also notice that the transformer doesn’t have just one input and one output as common transformers ... view more

• flyback
• converter
• DC
• Arduino
• circuit

Yes, I've made another radio controller. Why? well, I wanted to have a more commercial look. So, I've designed a 3D case, then I've used some high quality joysticks in order to have better analog read, It has an OLED screen so we could see the data we send and we could also digitally adjust the d... view more

• controller
• Radio
• RC
• Arduino
• NRF24
• 3D printed

Finally, the board works perfect. So I could make a 3D design for the case and this is a final product that could end up on Kickstarter. It is a very cheap project, around 15$ for all the parts . On this tutorial you willhave a full part list, the schematic and layout of the board in case you wan... view more

• Soldering
• iron
• portable
• DIY
• homemade
• Arduino
• T12

Remember the keyboard PCB we've made in this past tutorial? Well now I'll give a use to this PCB. We will make a radio based chat that will work just as a walkie talkie but with text instead of voice. So, for text, we need a keyboard and this PCB is perfect for this project. I'll make t... view more

• Radio
• chat
• Arduino
• CC1101
• OLED
• 3D printed
• walkie talkie

In this tutorial we make a SCROLLING DOT MATRIX device with Bluetooth connection and a real time clock to show time, date, temperature and day of the week. I've made an Android app to control this and change speed, brightness and select modes and also to send text to be scrolled on the display. S... view more

• RTC
• LED
• matrix
• Arduino
• DIY
• clock
• bluetooth

Today we will see how to build this awesome TETRIS game made with arduino. The project also has sounds as for example the tetris theme and other beeps and you could add any other sound to the SD card inside the DFplayer module. To create the matrix I've used the well known WS2812 LED addressable ... view more

• WS2812
• RGB
• homemade
• DIY
• game
• Arduino
• tetris

In this tutorial we will see how to control one axis but using BRUSHED DC MOTORS. Usually CNC axis will move using stepper motors in an open loop control. Here we will see an example of close loop control with an optic encoder as feedback. Why do this? well, for bigger motors, the price of steppe... view more

• PID
• DC
• motor
• control
• Arduino
• H-bridge
• axis
• CNC

I always enjoyed playing all these old games. I love quake, MK4 and all SEGA games. Having a console that has all these games would be great. And having this console made by myself is even better. Having this inside of a microwave, well that's a lot better. We will sue an raspberri pi 3, an SD ca... view more

• game
• Retropie
• pi
• raspberry
• Arduino
• console
• gaming

Having an oscilloscope it's a very nice thing. It's a quite useful tool. But with the basic probes you could only observe voltage values. What if we want to observe current??? There are many types of oscilloscope probes each with its own field of application. The probe takes care of the very... view more

• 3Dprinted
• invasive
• current
• clamp
• homemade
• DIY

This is a very simple project that uses the Adafruid library to control a RGB adressable LED strip that will eb inside of a Daft punk Helmet. In this tutorial you will find the STL files to 3D print the plastic helmet, the schematic for the LED control with Bluetooth and the Android App that I've... view more

• RGB
• helmet
• 3D
• 3Dprinted
• Arduino
• bluetooth
• DaftPunk
• WS2812

In this tutorial we will build this balance. It is controlled with a servo motor and an Arduino with a PID code. The idea is to get the ping pong ball in the middle. To do that we will use a IR distance sensor. By knowing the distance to the ball and using the PID code to move the servo, we could... view more

• PID
• balance
• servo
• ball
• Arduino

I'm now working on an electric bike. Like or not? :)

For some time now, maybe more than a year, I wanted to make my own 3D filament extruder in order to recycle old or bad 3D printed parts. But a filament extruder needs a few parts such as the motor, the extruder, the heating block, the PID process but also to mesure the diameter of the output fila... view more

• Arduino
• i2c
• calliper
• digital
• measurement
• filament
• meter

I don't consider this homemade because I'm using only off the shelf parts. I bought all the parts from ebay for a decent price. I was looking for the lowest price parts. THe body I've used is 3D printed but for a few more dollars you could buy that from eBay as well. The total price is around 150... view more

• DIY
• drone
• naze32
• eBay
• Afroflight
• 3Dprinted

How are these induction heaters work? We will look over the circuit and explain step by step how the oscillating signal is created, how current is induced and how the metal will get hot. Finally we use that schematic and mount a homemade version and see if it works to heat up some metals. So let'... view more

• circuit
• heater
• induction
• homemade
• DIY

Hmmm. Should I make a tesla coil? Get to 20 likes!