ADA5233 · Adafruit
Adafruit product #5233 — built on ATTINY817. Interfaces: I2C.
| Part number | ADA5233 |
|---|---|
| Manufacturer | Adafruit |
| Category | Interface & Expansion › I/O Expanders & Multiplexers |
| Pins | 24 |
Adafruit ATtiny817 Breakout with seesaw - STEMMA QT / Qwiic pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | 0 | bidirectional | |
| 2 | VIN | power | |
| 3 | 1 | bidirectional | |
| 4 | 3.3V | power | |
| 5 | 2 | bidirectional | |
| 6 | GND | ground | |
| 7 | 3 | bidirectional | |
| 8 | 19 | bidirectional | |
| 9 | 20 | bidirectional | |
| 10 | 18 | bidirectional | |
| 11 | 5 | bidirectional | |
| 12 | UPDI | bidirectional | |
| 13 | 6 | bidirectional | |
| 14 | 17 | bidirectional | |
| 15 | 7 | bidirectional | |
| 16 | 16 | bidirectional | |
| 17 | RXD | bidirectional | |
| 18 | 15 | bidirectional | |
| 19 | TXD | bidirectional | |
| 20 | 14 | bidirectional | |
| 21 | SDA | bidirectional | |
| 22 | 13 | bidirectional | |
| 23 | SCL | bidirectional | |
| 24 | 12 | bidirectional |
Schematic symbol and footprint
Footprint: Adafruit ATtiny8x7 Breakout with seesaw (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
Where to buy
| Supplier | Stock | Price | Status | |
|---|---|---|---|---|
| Mouser | 6 | $4.95 (1+) | View |
Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.
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