Project

General

Profile

RPi control boards for steppers » History » Version 4

« Previous - Version 4/7 (diff) - Next » - Current version
Aleksandr Romanov, 04/22/2020 07:33 PM


RPi control boards for steppers

A cheap and simple control board was designed to control generic optical elements at IOTA. Communication and processing of IO signal is done with RPi 3B+. Stepper

Version 1

There is only one board of this version and it is not instulled currently. This version can control 5 steppers and has 7 inputs for limit switches

  • Stepper 1:
  • Step
  • Enable
  • Step

Version 2

Discontinued. There are several boards of this type. This version has different pinout compared to v1, which allowed to make a single-sided board.

This version can control 5 steppers and has 7 inputs for limit switches. See attached files for schematics.

  • Stepper 1:
  • Step
  • Enable *

Version 2.1

Most recent version. This version has the same ports connections and each socket for limit switches was duplicated to allow two connections to the same input port. Traces and polygons were optimised for PCB production with a CNC router.

This version can control 5 steppers and has 7 inputs for limit switches. See attached files for schematics.