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JST XH2.54 to QWIIC Wiring Harness - Printable Version

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JST XH2.54 to QWIIC Wiring Harness - egionet - 04-10-2025

Simple solution to convertĀ JST XH2.54 I2C port connector to QWIIC.

Breadboard QWIIC cable adapter

JST XH2.54 Female 4-pin Cable Adapter

Solder JST XH2.54 adapter wires to the QWIIC breadboard:
  • Black to 3.3V
  • Green to GND
  • White to SCL
  • Red to SDA