You can read the state of a button using Arduino and a few lines of code. The actual state is shown in the Serial Monitor window as 0 or 1, 0 meaning the ...

While the Arduino family of boards connect to your computer using a USB virtual serial port, the ATmega ones have an actual serial connection on-board.

Some microcontrollers like Arduino have very limited internal storage space, so an external EEPROM will be suitable for small amount of data storage or for extending the data storage capability of a ...

The Arduino had plenty of I/O to wire up with the card reader’s interface. It also had a serial interface which made outputting data a snap.

You can’t screw up Arduino’s new DIY electronics kit The $87 Plug and Make Kit includes an Arduino microcomputer, electronic components, and tutorials for building several IoT devices.