The SparkFun Fingerprint Sensor - FPC2534 Pro is a small, highly capable and robust fingerprint sensor that can easily be integrated into virtually any application. Based off the AllKey Biometric ...

This is an example test library for the Epson XV7211BB using the 4-wire SPI interface. It is developed on the Arduino Zero or Teensy 3.6 development board (Teensyduino) and includes example ...

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 pin, but ...

To prevent data corruption when using multiple SPI devices on the same bus, care must be taken to ensure that they are only accessed from within the main loop, or from the interrupt routine, never ...