I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I. ... to ~38kHz signal yielded by D9 of the ...

You can even build yourself something simple based on an Arduino Uno! The build uses Panasonic’s cheap “Grid-EYE” infrared array as the thermal sensor, in this case, a model with an 8×8 ...

Arduino’s new partnership with Nordic Semiconductor allows them to use the technology, which claims to redefine Bluetooth Smart sensors and devices for the IoT era. Arduino’s fame comes from ...