Topic

capacitive sensing

2 videos. Ranked by independent recommendations, not by views.

1. 

   1 #207 Why most Arduino Soil Moisture Sensors suck (incl. solution)

   Andreas Spiess 6 people · 9 months · since Jun 2018

   Andreas Spiess explains why many cheap Arduino soil moisture sensors give poor readings and shows a fix; cited by people building or modifying capacitive sensor boards.

2. 

   2 How Capacitive Liquid Level Sensors Work: GILLSC.com

   Gill Group 3 people · 3 months · since Nov 2013

   Explains capacitive liquid level sensing, the approach used in aircraft fuel tanks, and is recommended whenever someone wants to gauge liquid depth without moving parts.