ADA5188 · AdafruitActive
Adafruit product #5188 — built on DS3231. Interfaces: I2C.
| Part number | ADA5188 |
|---|---|
| Manufacturer | Adafruit |
| Category | Interface & Expansion › RTC & Timing |
| Pins | 8 |
Adafruit DS3231 Precision RTC - STEMMA QT pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | VCC | power | |
| 2 | GND | ground | |
| 3 | SCL | bidirectional | |
| 4 | SDA | bidirectional | |
| 5 | VBAT | power | |
| 6 | 32KHZ | bidirectional | |
| 7 | SQW | bidirectional | |
| 8 | !RTC_RST | bidirectional |
Schematic symbol and footprint
Footprint: Adafruit DS3231 STEMMA QT (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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