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 ...
The creative adventures with ATtiny series microcontroller are awesome if you know how to play them. ATtinys — especially the ATtiny85s — are all around us, and by using one, we can shrink the size of ...