Learn how to connect multiple buttons to just one Arduino pin using clever wiring and resistor techniques. Perfect for compact projects, keyboards, or when using small boards like the Nano or Pro ...

Posted in Arduino Hacks Tagged arduino, i2c, one wire, pigeon, PJON, protocol, sky rats ← MRRF: Launching An Adorable Printer For Fun 3D-Printed Case Turns Servo Into Quality Linear Actuator → ...

Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — ...

An Arduino can measure time, a coil and a resistor will create a delay proportional to the circuit values, and metal around the coil will change the coil’s inductance.