Adjustable Temperature PTC Hot Plate for soldering SMD

Showcasing our spot welder, which is controlled by an Arduino Nano.

Need fast cheap laser rangefinder for your Arduino project? You can use a laser tape measure for this!

Relay VS Transistor.

The device is capable of testing: PNP, NPN transistors, N or P channel MOSFET, diodes, double diodes, resistors, capacitors...

Simple to build and useful instrument for your lab.

The device is sufficiently accurate and uses minimum number of external components.

Discharge a fully charged Lithium-Ion cell through a resistor while measuring the current flowing through the resistor to calculate capacity

Another simple to build useful instrument in you lab.

Purpose of this project is to write a code to control coin acceptor with Arduino so it can be used in other projects

You'll learn how to create an automation system to communicate 3 Arduinos via RS485.

This is a simple square-wave generator that basically uses the TimerOne library allow you to generate a PWM signal at pin 9.

This project uses a micro SD card to store a text file and print it out to a 16x2 liquid crystal display.

A stable instrument with display, LED and buzzer to feel the Magnetic Field live.

Improved version of the soldering iron controller for Hakko 907 iron. To simplify building the controller, LCD screen is implemented.

A simple to build, but very sensitive electromagnetic field detector.

Inexpensive to build but a very useful tool for every electronics laboratory.

Use the IO Expander and Relay Expander with the Arduino to control up to 65,280 relays!

A very simple but useful device for your lab.

It is like a mini atom bomb, In a piece of single code you will get a lot of features and I fully respect the effort of the owner.

How to make a VU meter with 38 bars per channel on a modified 20x2 VFD display.

This device can also be called an EMF meter, as it can measure the relative strength of a field using a scale of 10 LEDs.

A solder fume extractor that turns on in the presence of smoke from the soldering iron.

Make your own mini oscilloscope at home. It’s simple and easy to do!