We think of radios as audio devices, but for people who are visually impaired, it can be difficult to tell which channel you ...

We programmed the Adafruit RP2040 to play music when you hit the keys. It changes octaves when you rotate the rotary encoder.

A quadrature encoder uses two output channels offset in phase to detect both direction and position with greater precision.

All switches are connected at one end to a pull-up input, and connect to ground on close. The analog input for the food pedal expects a potentiometer (e.g. 10k). Note that the MIDI output is used.

Abstract: Catfish is one of the most popular fish in Indonesia. Fish Cultivation in Bucket (Budikdamber) is a potential solution that is encouraged by the community to increase production in the ...

Abstract: In order to improve the control precision of the spiral motion of linear rotary motor with E-shaped stator at low-speed condition, a novel high-precision spiral motion control approach is ...