Luckily, requisite googling found a “multifunction shield” for the Arduino Uno platform available at a low ... Byte maps to select digit 1 to 4 */ const byte SEGMENT_SELECT[] = {0xF1,0xF2,0xF4,0xF8}; ...

Here is a simple, yet useful circuit of an Arduino 4-digit 7-segment LED display unit. The module used here is a self-contained, compact common-cathode module containing four 7-segment LED numeric ...

While there are a couple of open-source brushless drivers already available, [neuromancer2701] created his own brushless motor controller on an Arduino shield. [neuromancer2701]’s shield is a ...

Sure, you can add tons of functionality via strap-on boards called “shields”.. but those can get expensive quick. Want your Arduino project ... trivia deal ends June 4.

[Colin] wanted a way to reliably control an Arduino via ham radio ... [Colin] built a shield that has an audio input and can decode DTMF signals. The hardware is based around an MT8870 DTMF ...