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Connectors & form factors

Qwiic (SparkFun) / Stemma QT (Adafruit)

4-pin JST-SH I²C connector — chainable, plug-and-play. Same physical connector, both companies use it.

How it looks

Drawing: no Qwiic sockets on CORE3588
controllersensordisplayGND3.3VSDASCL
Boards chained with identical 4-wire cables. Every board has the same small socket at each end, so the order does not matter.

How it works

controllersensorGND, 3.3 V, SDA, SCL: always this ordersensornext board plugs into the far socket: a chaintwo boards, each with a 4-pin JST-SH socket

Where it fits

A plug-and-play way to wire up I²C parts such as an IMU. Built on the JST-SH connector.

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