An RGB LED module is a versatile lighting component that can produce millions of colours by mixing red, green, and blue light ...

Here is how to implement a stepper motor to sense position and actively correct any error that might accrue during actuation.

We’ve seen plenty of motor projects, but [Jeremy]’s DIY Tubular Linear Motor is a really neat variety of stepper motor in a format we certainly don’t see every day. It started as a design experiment ...