
MPR121 Adafruit Capacitive Touch Sensor Breakout
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- Model: SEAS-34
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Rs. 850/-
MPR121 Adafruit Capacitive Touch Sensor Breakout price in Pakistan is
Rs. 850/-
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The latest MPR121 Adafruit Capacitive Touch Sensor Breakout price in Pakistan is Rs. 850/- updated on May 9, 2025.
OVERVIEW:
This is a breakout board for Freescale's MPR121QR2. The MPR121 is a capacitive touch sensor controller driven by an I2C interface. The chip can control up to twelve individual electrodes, as well as a simulated thirteenth electrode. The MPR121 also features eight LED driving pins. When these pins are not configured as electrodes, they may be used to drive LEDs.
There a four jumpers on the bottom of the board, all of which are set (closed) by default. An address jumper ties the ADD pin to ground, meaning the default I2C address of the chip will be 0x5A. If you need to change the address of the chip (by shorting ADD to a different pin), make sure you open the jumper first. Jumpers also connect SDA, SCL and the interrupt pin to 10k pull-up resistors. If you don't require the pull-up resistors you can open the jumpers by cutting the trace connecting them.
Features:
- Low power operation.
- 1.71 V to 3.6 V supply operation.
- 29μA supply current at 16 ms sampling interval period.
- 3μA Stop mode current.
- 12 capacitance sensing inputs.
Product Details | |
Product Name | MPR121 Adafruit Capacitive Touch Sensor Breakout |
Price | Rs. 850/- |
General Specification | |
Mounting holes size | 2.0mm |
Power | 2.5V ~ 5.0V |
Weight | 0.32 ounces |
Dimension | 40.0mm * 21.0mm |