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SEN-12041
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If you need to add user input without using a button, then a capacitive touch interface might be the answer. The AT42QT1010 SparkFun Capacitive Touch Breakout offers a single capacitive touch button with easy-to-use digital I/O pins.
The AT42QT1010 is a dedicated, single-button capacitive sense chip. The chip handles monitoring a conductive area for touch. As long as a touch (e.g. from a finger) is detected, the AT42QT1010 keeps the output line high. Otherwise, the line is kept low. You just need to provide a power source (1.8V - 5V) and ground for the AT42QT1010 to work. Additionally, a PAD pin is available if you would like to create your own external electrode.
The module with a touch button can be used as a replacement for traditional mechanical buttons. It is based on the TTP223 chip, which measures the capacity of the field on the module
The expansion module is designed to work with the micro:bit educational board. It allows you to build an electronic piano. SB Components 21482
Module with a capacitive touch sensor based on the CAP1203 chip. There are three touch panels on the board that can be used as separate sensors (pins CS1, CS2, CS3) or as a touch slider. I2C communication. SparkFun SEN-15344
Gravity: Digital Capacitive Touch Sensor is a capacitive touch sensor powered by 3.3V ... 5V voltage. DFRobot DFR0030
Expansion module with touch buttons for the FRDM-KE16Z starter kit. NXP FRDM-TOUCH
Module with a touch keyboard (12 buttons) based on the ATtiny1616 microcontroller. The board is equipped with a Grove connector and communicates via the UART interface. Seeed Studio 101020636
Touch button with blue LED backlight. Powered with the voltage in the range from 2.7 V to 6 V, it works with 3.3 V systems
Module with 12-channel MPR121 capacitive touch sensor. The board is equipped with a Stemma QT connector and communicates via the I2C interface. Adafruit 4830
Adafruit 2340
The modules are used to operate 7 touch fields. This is possible thanks to the built-in AT42QT1070 capacitive touch sensor. The derived I2C interface serves for communication.
Module with a 12-channel capacitive touch sensor MPR121. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020872
Touch button with green LED backlight. Powered with the voltage in the range from 2.7 V to 6 V, it works with 3.3 V systems
Touch button with red LED backlight. Powered with the voltage in the range from 2.7 V to 6 V, it works with 3.3 V systems
Module with AT42QT1060 controller - contectless keyboard controller, Kamami, RoHS.
The module with the CY8C4014LQI touch sensor in the form of two buttons and a 5-segment slider. The board is equipped with a Grove connector and communicates via I2C. Seeed Studio 101020552
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SEN-12041