Touch sensors
Touch sensors enable interaction between, for example, a finger or object and the electronic circuit.
For example, a touch can be used as input for a microcontroller such as an Arduino, ESP8266/ESP32, or Raspberry Pi.
See also:
Touch / Capacitive swithces
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Capacitive touch sensor TTP224 with 4 buttons
Sensor with TTP224 IC. When touching a surface (1-4) the corresponding output (OUT1-OUT4) will go high and the indicator LED will light up.
Supply voltage: 2.4V-5.5V
Dimensions: 35x29mm
Touch surface dimensions: 7.5x7.5mm In stock -
Capacitive touch sensor TTP229 with 16 buttons
The TTP229 touch module offers 16 touch-sensitive keys on a single compact board. Thanks to the TTP229 capacitive sensor chip, the module responds quickly and accurately to touch, without mechanical buttons that wear out. Perfect for touch applications, control panels, DIY projects, and embedded systems.
The module operates at 2.4V to 5.5V, making... In stock -
Fingerprint scanner AS608
This compact fingerprint scanner based on the AS608 chip can store up to 128 individual fingerprints.
There is an Adafruit library for this scanner so using it in combination with an Arduino or ESP is not too difficult.
Check out the link below for an extensive tutorial.
Voltage: 3.3V
Resolution: 500dpi
Supply current: In stock -
Touch sensor capacitive (switch)
The output becomes high upon contact, and low again upon release.
Supply voltage: 2.0V-5.5V In stock -
Touch switch/sensor Capacitive MPR121 Breakout I2C - 12 Channels
The MPR121 is a compact capacitive touch controller with I2C interface, ideal for building touch-sensitive interfaces in electronic projects. The module supports up to 12 individual touch electrodes plus a virtual thirteenth electrode. In addition, 8 pins are available for directly driving LEDs (when they are not used as electrodes).
Perfect for a... In stock -
Touch switch/sensor capacitive 4 inputs
4-panel capacitive touch sensor.
Super low consumption (11.5µA / 4µA in low power).
Voltage: 2.0V- 5.0VDC.
In stock -
Touch switch/sensor capacitive CAP1188 breakout I2C/SPI - Adafruit 1602
Add a multitude of touch/touch sensors to your next microcontroller project with this easy to use 8 channel capacitive touch sensor breakout board featuring the CAP1188. This chip can handle 8 individual touch inputs and what's also cool is that it indicates touch using 8 LEDs on the board. Handy for debugging your sensor setup!
The CAP1188 suppor... Adafruit Part number: 1602 In stock -
Vibration sensor - Tap/Shock piezo sensor
This piezoelectric vibration and shock sensor is ideal for detecting touch, tap, and vibration in Arduino and other microcontroller projects. The sensor utilizes the piezoelectric effect: vibration or tapping generates an electrical charge, which the module converts into a usable signal. Thanks to its high sensitivity, the sensor can be adjusted fr...
In stock
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