
SparkFun's MPR121 Breakout board outline: 20.32 by 30.48 mm with no plated holes, traced from the Eagle board file SparkFun publish for product 9695, with the component bodies eagleUp rendered on it.
- Made by
SparkFun
- SKU
- 9695
- Kind
- Circuit board (PCB)
- Licence
- CC-BY-SA-4.0
- Keywords
- board, breakout, mpr121, pcb, sparkfun, capacitive touch, touch sensor, i2c
| Overall size (X × Y × Z) | 20.3 × 30.5 × 2.5 mm |
|---|---|
| PCB size | 20.3 × 30.5 mm |
| PCB thickness | 1.6 mm |
| Through-hole pads | 18 |
| Components | 7 |
| Function | capacitive touch sensor |
| Form factor | board |
| Chip | MPR121 |
| Interface | I2C |
| Supply voltage | 2.5-3.6 V |
| Channels | 12 |
| Status | discontinued |
| Qty | Part | Value | References | Datasheet |
|---|---|---|---|---|
| × 3 | SMD Resistor0603 | 10k | R2, R3, R4 | RC_L series datasheet (Yageo) |
| × 2 | SMD Capacitor0603 | 0.1uF | C1, C2 | X7R SMD MLCC series datasheet (KEMET) |
| × 1 | QFN / DFNWQFN-20 3x3 P0.4 | MPR121 | IC1 | MPR121 datasheet (NXP) |
| × 1 | SMD Resistor0603 | 75k | R1 | RC_L series datasheet (Yageo) |

