ADA789 · AdafruitActive
Adafruit product #789 — built on PN532.
| Part number | ADA789 |
|---|---|
| Manufacturer | Adafruit |
| Category | Communication & Wireless › NFC & RFID Readers |
| Pins | 70 |
Adafruit PN532 NFC/RFID Controller Shield for Arduino + Extras pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | SCL | bidirectional | |
| 2 | SDA | bidirectional | |
| 3 | AREF | bidirectional | |
| 4 | GND | ground | |
| 5 | D13 | bidirectional | |
| 6 | D12 | bidirectional | |
| 7 | D11 | bidirectional | |
| 8 | D10 | bidirectional | |
| 9 | D9 | bidirectional | |
| 10 | D8 | bidirectional | |
| 11 | D7 | bidirectional | |
| 12 | D6 | bidirectional | |
| 13 | D5 | bidirectional | |
| 14 | D4 | bidirectional | |
| 15 | D3 | bidirectional | |
| 16 | D2 | bidirectional | |
| 17 | D1 | bidirectional | |
| 18 | D0 | bidirectional | |
| 19 | SCL | bidirectional | |
| 20 | SDA | bidirectional | |
| 21 | AREF | bidirectional | |
| 22 | GND | ground | |
| 23 | D13 | bidirectional | |
| 24 | D12 | bidirectional | |
| 25 | D11 | bidirectional | |
| 26 | D10 | bidirectional | |
| 27 | D9 | bidirectional | |
| 28 | D8 | bidirectional | |
| 29 | D7 | bidirectional | |
| 30 | D6 | bidirectional | |
| 31 | D5 | bidirectional | |
| 32 | D4 | bidirectional | |
| 33 | D3 | bidirectional | |
| 34 | D2 | bidirectional | |
| 35 | D1 | bidirectional | |
| 36 | D0 | bidirectional | |
| 37 | SDA | bidirectional | |
| 38 | SCL | bidirectional | |
| 39 | MISO | bidirectional | |
| 40 | PNSCK | bidirectional | |
| 41 | PNRST | bidirectional | |
| 42 | D2 | bidirectional | |
| 43 | NC | bidirectional | |
| 44 | IOREF | bidirectional | |
| 45 | RST | bidirectional | |
| 46 | +3.3V | power | |
| 47 | 5.0V | bidirectional | |
| 48 | GND | ground | |
| 49 | GND | ground | |
| 50 | VIN | power | |
| 51 | A0 | bidirectional | |
| 52 | A1 | bidirectional | |
| 53 | A2 | bidirectional | |
| 54 | A3 | bidirectional | |
| 55 | SDA | bidirectional | |
| 56 | SCL | bidirectional | |
| 57 | NC | bidirectional | |
| 58 | IOREF | bidirectional | |
| 59 | RST | bidirectional | |
| 60 | +3.3V | power | |
| 61 | 5.0V | bidirectional | |
| 62 | GND | ground | |
| 63 | GND | ground | |
| 64 | VIN | power | |
| 65 | A0 | bidirectional | |
| 66 | A1 | bidirectional | |
| 67 | A2 | bidirectional | |
| 68 | A3 | bidirectional | |
| 69 | SDA | bidirectional | |
| 70 | SCL | bidirectional |
Schematic symbol and footprint
Footprint: Adafruit PN532 NFC RFID Controller Shield (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.
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