ADA1982 · Adafruit
Adafruit product #1982 — built on MPR121.
| Part number | ADA1982 |
|---|---|
| Manufacturer | Adafruit |
| Category | Sensors › Touch & Gesture |
| Pins | 20 |
Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | ELEC11 | bidirectional | |
| 2 | ELEC10 | bidirectional | |
| 3 | ELEC9 | bidirectional | |
| 4 | ELEC8 | bidirectional | |
| 5 | ELEC7 | bidirectional | |
| 6 | ELEC6 | bidirectional | |
| 7 | ELEC5 | bidirectional | |
| 8 | ELEC4 | bidirectional | |
| 9 | ELEC3 | bidirectional | |
| 10 | ELEC2 | bidirectional | |
| 11 | ELEC1 | bidirectional | |
| 12 | ELEC0 | bidirectional | |
| 13 | GND | ground | |
| 14 | VCC | power | |
| 15 | 3.3V | power | |
| 16 | GND | ground | |
| 17 | SCL | bidirectional | |
| 18 | SDA | bidirectional | |
| 19 | INT | bidirectional | |
| 20 | ADDR | bidirectional |
Schematic symbol and footprint
Footprint: Adafruit MPR121 (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
Datasheet
Related parts
Adafruit 12 x Capacitive Touch Shield for Arduino - MPR121ADA2024
AT42QT1010
CAP1188
CAP1188 - 8-Key Capacitive Touch Sensor Breakout - I2C or SPIADA1602
Grove - 12 Key Capacitive I2C Touch Sensor V2 (MPR121)101020534
Standalone 5-Pad Capacitive Touch Sensor Breakout - AT42QT1070ADA1362
Standalone Momentary Capacitive Touch Sensor BreakoutADA1374
Standalone Toggle Capacitive Touch Sensor BreakoutADA1375