Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

[Florian] set out to solve this issue with an encoder that measures filament speed, which acts ... The encoder is hooked up to an Arduino which measures the Gray code pulses as the encoder rotates ...

Here is a motor speed sensor module ... the module was connected to an Arduino board and measured the rotation per minute (rpm) rate of a geared robo motor (150rpm@5V) with the help of a home-made ...