ADA3406 · AdafruitActive
Adafruit product #3406 — built on NRF52.
| Part number | ADA3406 |
|---|---|
| Manufacturer | Adafruit |
| Category | Development Boards › nRF52 / nRF54 Boards |
| Pins | 30 |
| Frequency | 2.4 GHz |
Adafruit Feather nRF52 Bluefruit LE pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | VBAT | power | |
| 2 | EN | bidirectional | |
| 3 | VBUS | power | |
| 4 | P0.16 | bidirectional | |
| 5 | P0.15 | bidirectional | |
| 6 | P0.07 | bidirectional | |
| 7 | P0.11 | bidirectional | |
| 8 | A7/P0.31 | bidirectional | |
| 9 | A6/P0.30 | bidirectional | |
| 10 | P0.27 | bidirectional | |
| 11 | SCL | bidirectional | |
| 12 | SDA | bidirectional | |
| 13 | P0.09/NFC1 | bidirectional | |
| 14 | P0.10/NFC2 | bidirectional | |
| 15 | RESET | bidirectional | |
| 16 | 3.3V | power | |
| 17 | 3.3V | power | |
| 18 | GND | ground | |
| 19 | A0/0.02 | bidirectional | |
| 20 | A1/0.03 | bidirectional | |
| 21 | A2/0.04 | bidirectional | |
| 22 | A3/0.05 | bidirectional | |
| 23 | A4/0.28 | bidirectional | |
| 24 | A5/0.29 | bidirectional | |
| 25 | SCK | bidirectional | |
| 26 | MOSI | bidirectional | |
| 27 | MISO | bidirectional | |
| 28 | TXD | bidirectional | |
| 29 | RXD | bidirectional | |
| 30 | DFU | bidirectional |
Schematic symbol and footprint
Footprint: Adafruit Feather nRF52 (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.
