That’s the idea behind this Arduino-based measuring jig for fabricating parts for a CNC build. When it comes to building on the cheap, nobody holds a candle to [HomoFaciens].

Rotary encoder vs potentiometer A rotary encoder is a wonderful digital alternative to the old analog potentiometers. Rotary encoders are useful as rotation sensors (or selectors) and look similar to ...

Position encoders are sensors that, when used in industrial settings, produce critical motor information such as speed and position. The encoder delivers data for display or data that may serve as ...

While there are a couple of open-source brushless drivers already available, [neuromancer2701] created his own brushless motor controller on an Arduino shield.

Relative rotary encoder The relative rotary encoder, also known as incremental encoder, is an applied optical encoding methodology. Generally, the rotary encoder utilizes a patterned spinning disc ...

By Glen Young, Actel September 11, 2007 -- pldesignline.com Precisely tracking speed, acceleration, and position of a motor's rotor is an essential requirement for many motor control applications ...