
ADA3251 · Adafruit


Adafruit product #3251 — built on SI7021.
| Part number | ADA3251 |
|---|---|
| Manufacturer | Adafruit |
| Category | Sensors › Temperature & Humidity |
| Pins | 5 |
Adafruit Si7021 Temperature & Humidity Sensor Breakout Board pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | VCC | power | |
| 2 | 3.3V | power | |
| 3 | GND | ground | |
| 4 | SCL | bidirectional | |
| 5 | SDA | bidirectional |
Schematic symbol and footprint
Footprint: Adafruit Si7021 Humidity and Temperature Sensor (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
Datasheet
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