
ADA5740 · AdafruitActive


Adafruit product #5740. Interfaces: I2C. Also sold as #6310 (other header/assembly options).
| Part number | ADA5740 |
|---|---|
| Manufacturer | Adafruit |
| Category | User Input & Controls › Rotary Encoders & Knobs |
| Pins | 15 |
Adafruit ANO Rotary Navigation Encoder to I2C Stemma QT Adapter pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | GND | ground | |
| 2 | SW2 | bidirectional | |
| 3 | ENC_A | bidirectional | |
| 4 | SW5 | bidirectional | |
| 5 | SW1 | bidirectional | |
| 6 | SW3 | bidirectional | |
| 7 | GND | ground | |
| 8 | ENC_B | bidirectional | |
| 9 | SW4 | bidirectional | |
| 10 | UPDI | bidirectional | |
| 11 | INT | bidirectional | |
| 12 | SDA | bidirectional | |
| 13 | SCL | bidirectional | |
| 14 | GND | ground | |
| 15 | VCC | power |
Schematic symbol and footprint
Footprint: Adafruit ANO Rotary Encoder to I2C Adapter - No Encoder (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
Where to buy
Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.
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