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Adafruit MPR121 Capacitive Touch
AdafruitArduino, Raspberry Pi
A 12-channel capacitive touch sensor breakout board using the MPR121 chip.
In stock
Specifications
2- Operating Voltage
- 3V-5V (input), 3.3V (output) for logic and power regulation
- Gpio Count
- 12
Pinout
5| Pin | Name | Functions | Notes |
|---|---|---|---|
| Vin | 3V | POWER | Input voltage for the board |
| 3Vo | 3.3V | POWER | Output of 3.3V regulator |
| GND | GND | GND | Ground for power and logic |
| SCL | I2C Clock | I2C | Connect to microcontroller's I2C clock line |
| SDA | I2C Data | I2C | Connect to microcontroller's I2C data line |
Interactive pinout
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Arduino, Raspberry Pi
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