All Questions
7 questions
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esp32 s2 touch sensor read
I have a problem with capacitive sensor. I have created PCB with 2 capacitive sensors. Everything is working fine and ESP32 s2 mini reading values as I expect while I powering up esp32 with type-c 5v, ...
0
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1
answer
96
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0
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0
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89
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Electrical noise between dimmer circuit and halogen transformer output
I am currently building an ESP32-based dimmer control for halogen transformers.
The dimmer should be controlled by touching any part of the transformer output circuit. Thus, I somehow need to connect ...
- 101
0
votes
1
answer
134
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Odd 4x3 touch keypad performance using TTP229
I designed a 4x3 keypad using a TTP229-BSF and an ESP32. The board works perfectly when I put 4 mm plastic over the board.
But when I add 2.5 mm of plexiglass over the plastic, some of the keys (3, 6, ...
- 107
-1
votes
1
answer
755
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ESP32 - Touch sensors with 1 meter wires
I am trying to use the Touch sensitive pins of a ESP32. Problem is that between the ESP32 and the actual touch pads there is 1 meter of wire. without the cable attached the value is > 200, but as ...
- 297
1
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1
answer
94
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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 ...
- 121
1
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4
answers
2k
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ESP32 touch sensor outputs unstable values
I am trying to implement touch functionality of esp32 development board to toggle a led. But on uploading a simple touch detection sketch, output have spikes i.e. usually value remains near 100 but ...
- 153