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

Controlling power to the system using alarms based on voltages!

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

A small device that will help you sorting resistors without wasting time with their color code.

Did you run out of input pins? Don't worry, here is a solution without any shift registers.

The soldering iron controller based on arduino that implements PID method to keep the temperature of the iron.

A bit more accurate than __TIME__.

The software library to calculate moon age, sunrise and sunset time.

An arduiNOOB friendly tutorial for beginners on daisy-chaining.

Step by step approach is followed so that any hobbyist or design engineer can have a better understanding of the basic concepts.

Probably the most useful Arduino project I've ever made! A automatic tester for a product I sell.

Three different way of connecting a push button with an Arduino microcontroller.

FreeRTOS, simple, easy, robust, and optimised for Arduino IDE. Using FreeRTOS Semaphores to share and protect physical resources.

The Companion IC is a very cool looking Clock + Ohmmeter + Capacitance Meter + Diode Tester!

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

This micocontrollers laboratory is designed to speed up projects, and make easy and clean connections.

How to make projects more robust and reliable using drivers ULN2803, UDN2981 and PNP transistors.

A programmable, portable, rechargeable power supply based on Arduino featuring an OLED display for viewing V.I.P. of projects/prototypes.

Measure rotation speed (RPM) with Optocoupler and Encoder disk and Arduino - Quick and Easy!

On this simple tutorial, we will explore how to discover colors using an Arduino and the TCS 3200 sensor, displaying it on an LCD.

In this project, you can measure typically up to 48V. It is recommended to use Arduino digital voltmeter as “0-48V DVM”.

Control your Commodore C-64, reset C64, select Kernal, BASIC and Charset ROM, SD2IEC device#, info display.

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

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