The IR sensor array, which on the palm-sized vehicle consisted of just a handful of components, evolved into a PCB-backed bar nearly 0.5 meters wide. Potentiometer tuning was a fiddly affair, but ...

In fact, if you removed the sensor, you could reuse it and connect it to the IR transmitter. It wasn’t clear how you could easily package the RF transmitter and the remote.

Attach your IR Sensor the IR Carrier; Attach the Triangles and Rectangle to the ramp (See Ramp Picture for an example). You want to have them arranged so the objects slide from triangle 1 (Large in ...

An IR temperature sensor lets a smartphone do fever screening for COVID-19. Ron Amadeo – Jun 4, 2020 5:15 pm | 80 Point the phone at someone's forehead, get a temperature reading.