All Questions
Tagged with touch capacitance
4 questions
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LED driver circuit works only when I touch it with my finger
I'm trying to convert an E14 RGB LED bulb to be able to power it from a lithium battery. Inside the bulb are 2 PCBs - a transformer and a LED driver - which are connected by 3 wires. Black and red are ...
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I need help building a low-cost contactless water sensor
I tried to build a contactless water sensor with some touch ICs, but all of them use auto calibration features i.e. they can sense the presence of water without contact but after some seconds, they ...
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How to trigger cap touch sensor without touching it?
I have a device that has metal spring connected to microcontroller pin that has in-built cap touch sensing . This spring is used to turn the device on and off. I plan to place the device in ...
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Can a capacitative touch switch provide multiple response levels?
After recently discovering the ESP32, I've been inspired to attempt my first electronics project. It will be a very simple wifi-enabled light.
I thought I would take advantage of the capacitative ...
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