Sign In SHOP BLOG LEARN FORUMS 0 Items VIDEOS SENSORS / TOUCH / STANDALONE TOGGLE CAPACITIVE TOUCH SENSOR BREAKOUT Standalone Toggle Capacitive Touch Sensor Breakout AT42QT1012 PRODUCT ID: 1375 IN STOCK ADD TO CART 1 1-9 10-99 100+ ADD TO WISHLIST DESCRIPTION TECHNICAL DETAILS DESCRIPTION This breakout board is the simplest way to create a project with a single "toggle" capacitive touch sensor. No microcontroller is required here - just power with 1.8 to 5.5VDC and touch the pad to activate the sensor. This sensor is a toggle output type: touch-on then touch-off. That means that when a capacitive load is detected (e.g. a person touches the sensor-pad area) the red LED will alternate turning off and the output pin will go high or low, respectively. This sensor is good for a project where you want to activate something on the first touch, then deactivate it when touching again, like a switch. 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). We designed this breakout to have infinite time-out. The chip does support having the sensor time-out, so for example, if something is turned on, it will eventually turn off on its own. If you'd like to use this mode, cut the TIMER jumper and then connect a resistor/capacitor to the TIME pin. Check the datasheet for how to calculate the TIME pin to match your desired timeout. 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, we suggest 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. Standalone Toggle Capacitive Touch Sensor Breakout (11:10) TECHNICAL DETAILS Dimensions: 20mm / 0.8" x 29.35mm / 1.15" Weight: 2.03g Datasheets, EagleCAD PCB files, Fritzing object and more available in the product tutorial! LEARN Adafruit Capacitive Touch Sensor Breakouts Add a Touch Sensor to your Project! Capacitive Touch Sensors on the Raspberry Pi Use everyday objects as inputs on your Raspberry Pi. Costume Triggers & Actuators Interactive Halloween Capacitive Touch Holiday Light Control Quick and easy touch control for your holiday lights. MAY WE ALSO SUGGEST... Copper Foil Tape with Conductive Adhesive - 6mm Standalone 5-Pad Capacitive Touch Sensor Breakout - Copper Foil Tape with Conductive Adhesive - Standalone Momentary Capacitive Touch Sensor ITO (Indium Tin Oxide) Coated Glass - 50mm x ITO (Indium Tin Oxide) Coated PET Plastic - 100mm Adafruit Capacitive Touch HAT for Raspberry Pi - Mini CAP1188 - 8-Key Capacitive Touch Sensor Breakout - Pimoroni Drum HAT Adafruit 12-Key Capacitive Touch Sensor Breakout - Adafruit 12 x Capacitive Touch Shield for Arduino - DISTRIBUTORS CONTACT SUPPORT DISTRIBUTORS EDUCATORS EXPAND TO SEE DISTRIBUTORS "You're only given one little spark of madness. You mustn't lose it" Robin Williams JOBS FAQ SHIPPING & RETURNS TERMS OF SERVICE PRIVACY & LEGAL ABOUT US ENGINEERED IN NYC Adafruit (R) 4.9