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 ended up using a microcontroller and a piece ...
Buy Mini Body Sensing Detector Mini PIR Motion Sensor Module – DC 3.3V-15V Body Sensing For DIY Projects Esp32 Sensors ...
Asahi Kasei Microdevices(AKM) provides the infrared photo-diode(quantum-type infrared sensor) based on the manufacturing technology of compound semiconductor which has been developing with ...
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