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Standalone Momentary Capacitive Touch Sensor Breakout - AT42QT1010

SKU: ADA1374

$7.83 AUD, inc GST

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Standalone Momentary Capacitive Touch Sensor Breakout - AT42QT1010
7.8336 AUD

SKU: ADA1374

$7.83 AUD, inc GST
2 reviews 0 5 5
Ships today (delivered by Tue, 13th of Dec)
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This breakout board is the simplest way to create a project with a single "momentary" capacitive touch sensor. No microcontroller is required here - just power with 1.8 to 5.5VDC and touch the pad to activate the sensor. 

When a capacitive load is detected (e.g. a person touches the sensor-pad area) the red LED lights up and the output pin goes high. You can also solder a wire to the middle pad and create your own capacitive pad if the built-in one isn't suited to your project. 

If you want to save power, the LED can be disconnected from the output pin (cut the trace between the jumper marked as such). Adafruit designed this breakout to have the more-responsive "fast mode" which draws about 0.5mA. If you need ultra-low (~50uA) power usage, the mode jumper can be cut on one side & soldered closed on the other to fix it into that mode. Check the datasheet for specific power usage measurements. 

Comes with a fully assembled board, and a small stick of 0.1" header so you can solder and plug it into a breadboard. For additional contacts, Adafruit suggests using copper foil, then solder a wire that connects from the foil pad to the breakout. 

The datasheet has many details on sensitivity, power usage, etc.

Technical  Details

  • Dimensions: 20mm / 0.8" x 28mm / 1.1"
  • Weight: 1.87g

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Customer Reviews

  1. Review by Brendan verified purchaser
    Rating
    100

    An awesome little device. Works exactly as described and exceeded my expectations. My project was to add Smart key-less entry to my car. With this little gem I added a touch pad to the inside of my car door handles, When I place my hand on the handle it activates oscillators from within my car to go looking for the electronic key if its in range the car opens if it isn't it doesn't. (Posted on 25/10/2016)

  2. Review by Hans verified purchaser
    Rating
    100

    works very well! it is better to use it on the lower side of 5V. (I blow the first two!) Other wise very happy, will buy more (Posted on 7/06/2016)

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