Search found 2 matches

by pwhi
Wed Nov 04, 2020 11:21 am
Forum: Geeetech I3 Pro C
Topic: 3d Touch instal on Gt2560 rev A
Replies: 1
Views: 8112

3d Touch instal on Gt2560 rev A

Bought a 3d Touch from Geeetech and went about installing as per instructions.
I have a I3 pro C , and when trying to connect to the z Max terminal I found it has only 2 connections not 3 as described in the instructions?
Can you HELP
by pwhi
Wed Oct 21, 2020 12:10 pm
Forum: Firmware
Topic: firmware settings for drv8825
Replies: 4
Views: 12944

Re: firmware settings for drv8825

re: axis per unit calculations. I had the same problem with the z axis set at 2560 micro steps per mm this is correct if you are using 8mm x 1.25 pitch threaded rod: calculation: 1.8deg /step 360 deg / 1.8 = 200 steps per revolution 1 revolution at 1.25 pitch is 1.25mm so 200 steps is 1.25 mm 200 /1...