
ADA4991 · AdafruitActive


Adafruit product #4991. Interfaces: I2C.
| Part number | ADA4991 |
|---|---|
| Manufacturer | Adafruit |
| Category | Displays & LEDs › LED Drivers & Controllers |
| Pins | 6 |
Adafruit I2C Stemma QT Rotary Encoder Breakout with NeoPixel pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | VCC | power | |
| 2 | 3.3V | power | |
| 3 | GND | ground | |
| 4 | SCL | bidirectional | |
| 5 | SDA | bidirectional | |
| 6 | INT | bidirectional |
Schematic symbol and footprint
Footprint: Adafruit I2C QT Rotary 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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