Arduino enthusiasts or those looking to learn more about programming with Arduino and electronics in general may be interested in a new ... Arduino 42-Digit SPI Keypad Matrix ... letters, numbers ...

Quick, how do you wire up an SPI bus between a microcontroller and a peripheral? SCK goes to SCK, MISO goes to MISO, and MOSI goes to MOSI, right? Yeah. You’ll need to throw in a chip select … ...

Creating a video signal from a computer, a job that once required significant extra hardware, is now a done deal with a typical modern microcontroller. We’ve shown you more NTSC, PAL, and VGA… ...