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 ...
Elyse Betters Picaro is the former Editor-in-Chief of Pocket-lint and the former Operations Manager for Valnet's Consumer Tech brands, including Pocket-lint, Android Police, and XDA. She is based in ...
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