We’re not sure about the rest of you, but to us, a keyboard without a number pad all the way over to the ... leading to some software hacks to keep the Arduino happy. There was also a little ...

For a microcontroller, [Toby] used a CH552G, which is cheap and compatible with the Arduino IDE. Although, with 10 GPIO, a matrix layout could have supported a full-sized number pad, the diodes ...

If you use the 3 from the numeric pad instead, it will not work. [The same would hold true for the Command-Shift-4 selection capture.] We confirmed the lack of response from the keypad 3 on our ...

Of all the Arduino projects we've seen 'round here, this is certainly one of them! Using nothing but a Graphics LCD, an Arduino, and a WebSocket server he wrote using Python / Tornado, this young ...