Hut has used 4 x magnets and a Hall effect sensor to measure the longboard’s speed ... Arduino website explains more : To achieve this, the magnets are glued to the inside of each wheel, while ...

[Florian] set out to solve this issue with an encoder that measures filament speed ... the encoder wheel before it’s fed into the 3D printer. The encoder is hooked up to an Arduino which ...

If you haven’t been paying attention, big wheel trikes are a thing ... [Flux Axiom] is using an Arduino Mega in his setup along with a cornucopia of sensors and all their data is being logged ...