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8PCS MPR121 Breakout V12 Capacitive Touch Sensor I2C Keyboard Development Board Controller Module
4.6 (93 items)
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US$7.19 cheaper than the new price!!
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Used US$4.80
Product details
| Management number | 247530639 | Release Date | 2026/08/16 | List Price | US$4.80 | Model Number | 247530639 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- 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.
- Low power operation, 1.71 V to 3.6 V supply operation.
- 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.
- 29μA supply current at 16 ms sampling interval period.
| UPC | 701715530713 |
|---|---|
| ASIN | B0BGLM26Z1 |
| Brand | QCCAN |
| CPU Model | Unknown |
| Model Name | QC19083 |
| Manufacturer | QCCAN |
| Model Number | QC19083 |
| BuiltIn Media | 8* MPR121-Breakout-V12 Proximity Keyboard Touch Sensor |
| Mfr Part Number | QC19083 |
| Number of Items | 8 |
| Processor Brand | QCCAN |
| Processor Count | 1 |
| Operating System | Linux |
| Compatible Devices | Computers (PC, laptop, tablet) |
| RAM Memory Technology | DDR3 |
| Connectivity Technology | I2C |
| Item Dimensions L x W x H | 0.12"L x 0.12"W x 0.03"H |
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