Questions tagged [touch]
The touch tag has no usage guidance.
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How to identify this IC FG97
I'm trying to identify an IC labeled FG97 1847 17145. It is a 16-pin SMD.
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Touch Screen Panel of Car Radio Set-up
The Touch Screen of Car Radio Setup was damaged and removed. HD 6.95 INCHES WIDE SCREEN TFT (HG-070) A capacitance touch screen was replaced with the IC GT911 6Pin. Its working good except the Icon on ...
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TP223 replacing a button?
I have a button which does some resistor-alteration:
simulate this circuit – Schematic created using CircuitLab
Now I wish to replace SW with TP223 (link):
...
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ATmega328 experiences freezing or hangs when the ceiling fan is turned on or off
I've been working on a project, but I've hit a snag. Every time I try to turn the ceiling fan on or off, ATmega328 gets hung/freezes. Let me break down the project for you, so you know what's going on ...
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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, ...
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Trigger a 3 V line with 12 V
I would like to trigger a 3 V line (a push dimmer circuit) with a touch button (which is powered by 12 V).
Closing the 3 V will turn off (short press)/turn on (short press)/dim (long press) the LED ...
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Measure capacitance on a mutual capacitive touch sensor
I interpret the mechanism of a mutual capacitive touch sensor like this:
There are 2 electrodes X and Y. To measure the difference in capacity, the X electrode is driven high (i.e 3.3 V) and the Y ...
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Looking for a large capacitive touch array controller
I'm building a capacitive touch panel.
It has an odd shape, so I resulted to building my own with the capacitive diamond array solution.
It doesn't have a screen underneath, so it's all contained on a ...
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What is this component and what function does it serve?
I am learning to build a touch switch using a TRIAC. I took apart a commercial switch that is activated by touching the thin white wire.
I identified all the components, except one (the one that I ...
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Touch button bypass on fan with smart inching switch [closed]
How can I bypass the touch button on fan Sencor SFE 2340WH? I want to of/off fan with smart momentary switch. Below is componets maybe with reading errors.
Components:
TR1-TR5:
HSDQ / BT134-800 / ...
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Need advice on tapping into touch screen connected to LCD
I'm hoping to get some advice on a technical issue I'm currently facing. I am attempting to tap into a touch screen that is connected to an LCD, but I'm feeling a bit confused about how to proceed. ...
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Is there a single cycle wave trigger circuit?
Is there a circuit design where if the input is high (at any length of time), the output will only be one cycle at a fix amount of time?
I'm currently working on a capacitive touch switch (I'll use ...
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Using skin to close low-voltage circuit
I am trying to create a ping pong ball sized light-up ball that should light up when held in my hand, as in the 80's toy inspired by the movie/television series "Star man".
The circuit must ...
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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 ...
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