Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and GND to the ground rail. For the data connections, wire SDA to Pin 10, SCK ...

If you want to make your Arduino project more compact, an Arduino Shield is the answer. The Arduino Shield is a neat piece of hardware that sits on top of your Arduino board. It is typically designed ...

There’s something to be said for a bench full of button-festooned test equipment ... waveform generator; with the Arduino, rotary encoder, and 16×2 LCD providing an interface to control ...

[Christian] wrote in to tell us about his third-generation Arduino MIDI sequencer ... include the slider and potentiometer band, as well as the repository of buttons mounted below that.