In July 2020, I released Hot Wire GrblMega 5X Software using a version of Gauthier Brière firmware I made some minor changes to suit 4axis foam cutting. This has been received very well; to date, there have been nearly 7000 downloads of the firmware and software.

So why have I released this new version?
New Features requested by users
Adjusting the hot wire current on a running gob
Adjusting the feed rate on a running job
Support for 32bit boards running a grblHAL


This software I’ve called grbl Hotwire and still works with the Arduino Megabased boards.
Download from here https://rckeith.co.uk/grblhotwirefo...

Links mentioned in the video
Bench Test    • How to Build a USB Hot Wire CNC Foam ...  
Calibration    • How to Build a USB Hot Wire CNC Foam ...  
Homing    • GRBL HotWire Mega 5X Free Software & ...  

In this video, I’ll cover
00:00 Intro
08:11 Changes from HotWire Grbl Mega 5X
22:06 Install and Upgrading
37:43 32bit Boards
48:05 Setting the current and microstepping on the SKR Pico
54:33 Bench Test, Checking Calibration, Axis Direction and Homing
54:54 Demo of Override current and feed rate settings
58:02 First cut Dev Foam 3 text demo