Questions tagged [qtouch]

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AVR Qtouch Composer project failed to compile

I have the latest Studio 7 + Qtouch library. After creating a project (tried both attiny44 & atmega168) I get an error touch_aip.h is not found and indeed I can not find this file on my HD. Any ...
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Why does my IR receiver PCB only work when I touch the sensor pins?

I have designed a PCB based on a schematic which I am pretty sure that is correct and I have tested the schematic several times on the breadboards and all of them worked properly. But, after I ...
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QT1070 inconsistent readings on touch pins

I recently transitioned my projects capacitive touch IC from using the MPR121 to the QT1070. I am getting irregular/inconsistent readings on one of the touch pins. In this particular situation, it ...
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84 views

AT42QT2160 capacitive touch controller inverted Cs voltage - no touch detected

I'm trying to make my own development board for the AT42QT2160 Touch controller, since the original one was discontinued. I've designed the PCB with 8 buttons and a slider consisting of 8 sections. It'...
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QT600 Under Atmel Studio 7

Using the QT600 development kit under Studio 7 in order to develop a touch interface, I can not get the kit to show up when not in programmer mode. I've managed to write the example HEX onto the ...
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Rather unusual touch wheel design pattern of Google Home

I was looking on subject teardown and unusual touch sensor design caught my attention. For comparison, here is typical touch wheels (for example, CS6 is in iPod Nano). It has diagonally connected "...
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1answer
632 views

Which MCU (Atmel) I can use with QTouch library?

Some MCU have QTouch support - # touch channels implemented as a hardware. Is it true that QTouch library was designed only to work with such MCUs? Can I use it with, for example, 'old' ATmega48? Is ...
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814 views

ATTiny45, LED strip, MOSFET, touch interface, but Vcc drops and tiny resets

I've developed a very little board with the ATTiny45 and mosfet (STD35NF06LT4 - http://www.farnell.com/datasheets/1689946.pdf ) to drive a high power LED strip at 24V. I have a 5V dc/dc converter (...