We designed a buncha I2C-to-whatever converters a while ago but got hit with the silicon shortage, so we’re redesigning the boards with chips we can get. For example here is a I2C to slide pot + 4 NeoPixels design. Now lots of microcontrollers have ADC so you may not need a converter. But if you’re using a SBC like a Raspberry Pi, adding analog inputs is a little messy, so you could definitely use something like this. Or maybe you just want an easy plug-n-play panel mountable slider. Either way, this code works great, and runs on an ATtiny8xy (e.g. ‘817 or ‘806) which we were able to get on the market – video.
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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