We sell a handy TCA9584 expander breakout https://www.adafruit.com/product/2717 , its great for when you want to connect 8 devices of the same I2C address https://learn.adafruit.com/i2c-addresses but what if you want to do to it without any breadboarding – using Stemma QT or Qwiic? Someone emailed us about it, and we gotta admit, they’re kinda right. So here’s a design for a QTified version AND it has a level shifting/selector from Vin or 3.3V – which means that if you’re interfacing to 3.3V Qwiic boards from a 5V logic UNO, it will do the conversion for you – but if you want that 5V power passed through, you can do that as well.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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