Adafruit PCA9546 4-Channel STEMMA QT / Qwiic I2C Multiplexer - TCA9546A Compatible

Skip to main content

← OpenSensor home All products

← OpenSensor home All products

Loading product...

FooterSitemap · contact · subscribe

OpenSensor.io

An engineering practice covering backend architecture, cloud platforms, fintech systems, and hardware expertise — with a side practice in firmware analysis and security research.

Email: matt@opensensor.io
Station: Cumberland, Maine

Practice

Engineering
Security Research
Open Source

Other Properties

LightNVR ↗
OwlBooks ↗
MattsCoinage ↗

Products

GrowMax
Solar Alerts
Electronics Store
3D Printing

Support

Contact
Privacy Policy
Terms of Service

Updates

Occasional notes on new releases, security disclosures, and product drops. No spam.

Email address for updates

© 2026 OPENSENSOR ENGINEERING LLC · ALL RIGHTS RESERVED

Adafruit PCA9546 4-Channel STEMMA QT / Qwiic I2C Multiplexer - TCA9546A Compatible