If any of the projects you create are designed for portability or remote monitoring use, it usually requires the use of solar panels.

Program 6 ATtiny85/13A at the same time with this custom programmer board.

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

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

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.

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

A bit more accurate than __TIME__.

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

An arduiNOOB friendly tutorial for beginners on daisy-chaining.

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

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

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

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

Arduino Nano and Visuino: Convert Acceleration to Angle From Accelerometer and Gyroscope MPU6050 I2C Sensor - quick and easy.

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

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

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

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

Did your somewhat expensive ($50) soldering iron just die? Well then fix it with another one!

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

Need to control hundreds of relays with your Arduino, ESP8266, Pi, PC or Mac and activate them simultaneously within < 1 ms time window?

Connect Matrix Keyboard using only 2 Arduino pins by using PCF8574/PCF8574A I2C GPIO - Quick and Easy!

Get accurate readings for voltage using arduino.