The set-up process is very simple, and best understood by referring the wiring diagram. If everything goes right,you should see the burning eye of the red LED when there is no object in the safe-zone ...

The sensor shown here is essentially two plates mounted side-by-side, attached to an Arduino Nano using the Capacitor library which uses just two pins, one digital and one analog.

And since the Arduino works as an AVR programmer you don’t need special hardware to program the device. Posted in Microcontrollers Tagged attiny13 , infrared , ir , phototransistor , proximity ...

Proximity sensor kit for Arduino free from Future. A capacitive sensing evaluation kit from Cypress Semiconductor is being made available free to design engineers by distributor Future Electronics on ...