2×20-pin edge adapter for Raspberry Pi that exposes the default I2C bus on a STEMMA QT / Qwiic JST SH connector. Includes a 2×3 GPIO header, 3.3 V regulator, power LED, and I2C pull-up resistors.
| Pin | Type |
|---|---|
| 2x3 Pi GPIO header | USB |
| STEMMA QTQwiic connector | I2C |
| SDAGPIO 2 | GPIO, I2C |
| SCLGPIO 3 | GPIO, I2C |
| 3.3V | Power |
| GND | Ground |
| Power LED | Unknown |
| LED jumper | Unknown |
Passive adapters, 2.54 mm pin headers, terminal blocks, JST and barrel-jack connector pairs, RF antennas and microSD adapters. Mechanical fit between two connectors does not confirm voltage, pinout or protocol compatibility.
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