Buildbotics Forum

Hi All, Anyone know how I can change the rotation of the HDMI output? I tried ssh'n into the pi and using sudo nano on the config.txt file but when i try to save my edits I get an error saying I can't write to the file. For ref i was following this guide https://linuxhint.com/rotate-screen-in-raspbe...

Does anyone know if this VFD is supported? https://www.amazon.com/dp/B0972MCVV5/?coliid=I2XAN97995KAOD&colid=2XXWKYU69Q3UG&psc=1&ref_=lv_ov_lig_dp_it I got the manual from the vendor and it looks like it would work by setting (found on page 56 of attached manual) P0-00 to 5: 9600 baud P0-01 to 0: No...

So after a long while i have found a solution that works. You will need to make an add on board for this (Here is my github page on it https://github.com/leadgtr7/Buildbotics_Step_And_Direction_Board). As of right now i have my 2 y axis gantry motors running closed loop (https://www.omc-stepperonlin...

In trying to get closed loop stepper motors (aka hybrid servo motors) to work with the buildbotics controllers I have done a fair bit of digging and bothered Doug with quite a few questions (Which he always answers super quick so thanks for the support on that!). I will detail what I have found so f...