The Arduino is a great way for hobbyists and pros alike to experiment with programmable objects, but it can be confusing for beginners without these tools.

The 8051 was an 8-bit Harvard-architecture microcontroller first put out by Intel in 1980.  They’ve since discontinued that ...

Sometimes the right tool for the right job appears almost out of nowhere. That was certainly the case for [Jonathan] who came ...

Blocking or non-blocking read; Supports any number of rows and columns; User defined key mapping; prevents reading the same event twice. A matrix keypad will have some pins or wires that you have to ...

My Arduino R3 clone board has a ATMEGA328PU in a TQFP package. The pin numbers above refer to this package. If your Arduino has another package, consider making connections using identifications into ...