Running out of GPIO pins? 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 ...

It’s going to be incredibly exciting to see how the Arduino community reacts to it. We can only imagine what you guys can achieve with the extra features of the Nano RP2040 Connect board.” ...

The idea behind our project was to create mini piano using Arduino. Since we wanted each button to play one note and have many keys, we decided to use multiplexer for the inputs instead of connecting ...

The core of the watch is an Arduino Mini. To make it good for time telling, a real-time clock module was added. A DHT11 monitors the temperature and humidity.