An arduiNOOB friendly tutorial for beginners on daisy-chaining.

A quick and compact Arduino Nano setup with four DIP switches to allow for mode selection. Power is provided by CR2032 battery package.

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

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

A study for a linear measuring device with Arduino and photoelectric rotary encoder.

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

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

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

Dear friends welcome to another tutorial! Today we are going to learn how to use this analog voltmeter with Arduino.

Control a relay connected to Arduino with an infrared remote - quick and easy.

Measuring Ambient Light with I2C BH1750 Digital Light Sensor and Arduino - Quick and Easy

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

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

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