If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The ...

At times, it may happen that you are without a keyboard and a mouse and yet you’d like to use your Windows PC – or maybe your Keyboard or Mouse is not working. This article will tell you how you can ...

One of the more interesting categories of our ongoing Green Power Challenge is “anything but PV” — and since the radiated ...

This library is to use an HC4067 multiplexer by means of a PCF8574 (I2C 8 channel IO). The HC4067 allows e.g one analog port read up to 16 different analog channels, or one digital port to read the ...

byte rowPins[ROWS] = {0, 1, 2, 3}; //connect to the row pinouts of the keypad byte colPins[COLS] = {4, 5, 6}; //connect to the column pinouts of the keypad ...