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1 vote
0 answers
138 views

Convert capacitive sensor into physical button?

Is it possible to turn a capacitive button in to a protruding mechanical one? I am thinking something round that sticks to a surface with a capacitive button on it and is essentially just a button ...
Locane's user avatar
  • 111
0 votes
2 answers
122 views

Help with capacitive touch button output configuration

Can someone help me with the basic working of this capacitive touch switch? I know it isn't very complicated but I just can't get over my brain block of what actually triggers when the button is ...
InBedded16's user avatar
  • 1,302
-2 votes
1 answer
1k views

capacitive touch buttons through VERY thick glass or macrolon? [closed]

for a science-project I need to create 4-5 capacitive touch buttons through thick glass or macrolon. I think we talk about 15cm atleast, if not 20. I wonder if a big coil or big sheet of tinfoil would ...
Phish's user avatar
  • 1
4 votes
1 answer
472 views

Using a TPP223 capacitive board instead of a mechanical button

I have this CSR8645 bluetooth module and I wanted to use TPP223 capacitive buttons for its inputs - vol+, vol-, next, prev, etc., but I am wondering if it will work at all. The CSR8645 is originally ...
mandarin's user avatar
  • 161
2 votes
1 answer
926 views

Capacitive sensor as drop-in replacement for mechanical button

I have a device X (talking toy), which has a jack of two wires for an external button. That is, I can short the two wires and device X accepts it as a press of a button. Now, I want to use device X ...
Roman Susi's user avatar
  • 1,005
4 votes
0 answers
2k views

Capacitive touch sensor design

I made a PCB with several capacitive pads to be read by IQS127. They work, but any material I put close to the PCB surface will trigger the output, even the 8 mm glass I'm going to use. The pads ...
Mark's user avatar
  • 1,450
3 votes
1 answer
5k views

Convert capacitive touch sensing back to mechanical switches?

Capacitive sensing seems to replace often mechanical switches. Is there a way to convert them back to mechanical switches? Problem at hand is a cooking device with interfaces with the user via the ...
humanityANDpeace's user avatar
1 vote
1 answer
261 views

Trigger capacative button

My washing machine is equipped with a capacitive start button. A "button" is marked with paint on the plastic front and on the backside of the panel there is a spring extruding from the control PCB, ...
Chrille's user avatar
  • 123
1 vote
1 answer
4k views

capacitive sensor and wire length

I'm a newbie and I've been playing with the awesome Adafruit CAP1188 capacitive touch gizmo. As long as I keep the length of the wires from the CAP1188 to my copper sticky pads to a couple of feet, ...
Jerome Provensal's user avatar
1 vote
1 answer
353 views

Replacement IC for the touch-button QT1081?

A project I'm working on needs several touch buttons. I found the datasheet for the Atmel QT1081, which supports up to 8 capacitive buttons, with the added advantage for our circuit that there are ...
Peter Reid's user avatar