
Specification: The MPR121 is a capacitive touch sensor controller that utilizes an I2C interface to detect proximity and touch across 12 individual electrodes. In laboratory settings, it is frequently used to develop custom human-machine interfaces, sensitive tactile feedback systems, or non-contact liquid level sensing applications.
Technical Specifications:
* Operating Voltage: 1.71V to 3.6V DC
* Interface: I2C Serial Protocol
* Sensing Channels: 12 Electrodes
* Auto-configuration of electrodes
* Hardware configurable I2C addresses
* Integrated 10-bit ADC
* Low power consumption: 29µA (run), 3µA (stop)
* Integrated autocalibration per electrode
Package: 8x6cm , Weight: 4gm
| Weight |
0.025 kg |
|---|---|
| Dimensions | 5 × 5 × 5 cm |