I'm using two different (but very similar) fingerprint readers here, an R307 and a slightly different, Adafruit-compatible version. I show here how to enrol fingerprints using the Windows (only) demo ...

Blocking or non-blocking read; Supports any number of rows and columns; User defined key mapping; prevents reading the same event twice. A matrix keypad will have some pins or wires that you have to ...

Abstract: Heart health is one of the parameters of one's health condition. Besides using the ECG machine, heart conditions can be determined through blood pressure measurement. Patient's hypertension ...

Abstract: Arduino boards are very useful for teaching electronics and programming in vocational training, but their massive use can discourage the learning of hardware development techniques by ...