This device will help encourage you to spend less time with social media or tech devices. It will turn the brightness of your device down as long as you aren't cranking the rotary encoder arm. You must continue cranking in order to raise and keep the brightness level up.

This is a good project to show how you can use CircuitPython and HID to interact with mobile devices without having to write an app!

Parts

It's half USB Key, half Adafruit Trinket, half rotary encoder...it's Rotary...
$6.95
In Stock
This rotary encoder is the best of the best, its a high quality 24-pulse encoder, with detents and a nice feel. It is panel mountable for placement in a box, or you can plug it into a...
$4.50
In Stock
Your iOS phone or tablet may not have a USB port on the bottom but that doesn't mean you can't use it to connect USB devices. Secretly known as a 'Camera Connector' or...
$17.50
In Stock

Or

This cable looks like a USB micro cable but it isn't! Instead of a USB A Plug, it has a USB A Socket on the end. This cable is designed for use with OTG (On the Go) host devices...
$2.50
In Stock

This guide was first published on Jun 30, 2021. It was last updated on 2021-06-30 12:08:17 -0400.

This page (Overview) was last updated on Jun 30, 2021.

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