Capacitive sensors as an alternative to resistive sensors

Over on YouTube @elewizard shows us how to make a capacitive sensor for the water level for a pot plant. He also shows us how to use a 555 timer and an MCU to measure small capacitances by the frequencies they generate.

Today I added capacitive, and capacitances to my spellcheck!

Maker Advent Calendar 2025 #12: RGB LED Strip! | Learning Electronics In The Lab With Jay Jay

You can support this channel on Patreon: patreon.com/JohnElliotV

This post is part of my video blog and you can find more information about this video.

Silly Job Title: Energy Maestro. I am the Energy Maestro!

In this video we do the twelfth and final project from The 12 Projects of Codemas.

Thanks very much for watching! And please remember to hit like and subscribe! :)


Following is a product I use picked at random from my collection which may appear in my videos. Clicking through on this to find and click on the green affiliate links before purchasing from eBay or AliExpress is a great way to support the channel at no cost to you. Thanks!

Yum Cha 395nm UV LampThis is an image of the product.notes

Let’s go shopping!