IR proximity sensor – how to build it yourself
In this article I show how to build an IR proximity sensor yourself. I present two approaches, one with pulsed signals and one without.
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AP3216 (CJMCU 3216) ambient light and proximity sensor
The technical data and setting options of the AP3216 module (CJMCU 3216) are explained. I also present my Arduino library AP3216_WE.
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APDS-9960 – the all-rounder
The APDS-9960 allows measuring gestures, distance, ambient light and color. The module and its functions are explained in this post.
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