ADA3191 · AdafruitActive
Adafruit product #3191.
| Part number | ADA3191 |
|---|---|
| Manufacturer | Adafruit |
| Category | Power › Power Modules & Supplies |
| Pins | 32 |
Adafruit Power Relay FeatherWing pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | VBAT | power | |
| 2 | EN | bidirectional | |
| 3 | USB | power | |
| 4 | N | bidirectional | |
| 5 | M | bidirectional | |
| 6 | L | bidirectional | |
| 7 | K | bidirectional | |
| 8 | J | bidirectional | |
| 9 | I | bidirectional | |
| 10 | H | bidirectional | |
| 11 | SCL | bidirectional | |
| 12 | SDA | bidirectional | |
| 13 | NC | bidirectional | |
| 14 | COM | bidirectional | |
| 15 | NO | bidirectional | |
| 16 | RELAY | bidirectional | |
| 17 | RESET | bidirectional | |
| 18 | 3.3V | power | |
| 19 | AREF | bidirectional | |
| 20 | GND | ground | |
| 21 | A | bidirectional | |
| 22 | B | bidirectional | |
| 23 | C | bidirectional | |
| 24 | D | bidirectional | |
| 25 | E | bidirectional | |
| 26 | F | bidirectional | |
| 27 | SCK | bidirectional | |
| 28 | MOSI | bidirectional | |
| 29 | MISO | bidirectional | |
| 30 | RX | bidirectional | |
| 31 | TX | bidirectional | |
| 32 | G | bidirectional |
Schematic symbol and footprint
Footprint: Adafruit PowerRelay Feather Wing (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
Datasheet
Where to buy
Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.
Related parts
Adafruit High Power Infrared IR LED Emitter - STEMMA JST PH 2mmADA5639
Adafruit LiIon/LiPoly Backpack Add-On for Pro Trinket/ItsyBitsyADA2124
SparkFun Power Delivery Board - USB-C (Qwiic)DEV-15801
Adafruit DC Power BFF Add-On for QT PyADA5882
Adafruit USB Type C Power Delivery Dummy Breakout - I2C or FixedADA5807
Gravity: MOSFET Power ControllerDFR0457
SparkFun ATX Power Connector Breakout BoardBOB-15035