Adafruit PCA9546 4-Channel STEMMA QT Multiplexer by Liz Clark published January 13, 2023, last edited January 22, 2025 posted in Adafruit Products Arduino Compatibles CircuitPython Breakout Boards STEMMA Save New Favorite × Please sign in to include this guide in your list of favorites. You will be redirected back to this guide once you sign in, and can then save this guide as one of your favorites. Download Overview Pinouts CircuitPython & Python Python Docs Arduino Downloads Single page Feedback? Corrections? Primary Products Adafruit PCA9546 4-Channel STEMMA QT / Qwiic I2C Multiplexer $3.95 Add to Cart Featured Products view all Adafruit PCA9546 4-Channel STEMMA QT / Qwiic I2C Multiplexer $3.95 Add to Cart STEMMA QT / Qwiic JST SH 4-pin Cable - 100mm Long $0.95 Add to Cart STEMMA QT / Qwiic JST SH 4-Pin Cable - 50mm Long Out of Stock STEMMA QT / Qwiic JST SH 4-pin to Premium Male Headers Cable $0.95 Add to Cart JST SH 4-pin Cable with Alligator Clips - STEMMA QT / Qwiic $2.95 Add to Cart STEMMA QT / Qwiic JST SH 4-pin Cable with Premium Female Sockets Out of Stock 9 Beginner Product guide Downloads Files PCA9546 Datasheet EagleCAD PCB files on GitHub 3D models on GitHub Fritzing object in the Adafruit Fritzing Library Schematic and Fab Print Page last edited March 08, 2024 Text editor powered by tinymce. Arduino