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 $0.95 Add to Cart STEMMA QT / Qwiic JST SH 4-pin to Premium Male Headers Cable Out of Stock 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 $0.95 Add to Cart 9 Beginner Product guide Python Docs Page last edited January 11, 2023 Text editor powered by tinymce. CircuitPython & Python Arduino