MK3S:MMU2S 3.0.0-RC1

Release 3.0.0-RC1 of TZB-MK3S:MMU2S Firmware for use with the Original Prusa i3 MK3S 3D Printer & MMU2S combination.

Attached are compiled binaries(hex) for use with MK3S and MMU2S units.

🎉 NEW FEATURES (Since v 2.1.8)

• PWM Heated Bed with Adaptive tuning for speedy accurate heating
• Stealth Mode Via Menu (Automatic Slow federates with TMC StealthChop)
• PRUSA Auto deplete
• PRUSA Fast 7x7 Bed
• PRUSA Sheets Config
• Optimised SETUP menu for BOWDEN calibration
• Overhaul of the TZB-Comms protocol, more reliable than ever 🤘
• Single MODE, go to Service pos & reset MK3S. Move MMU2S off Service pos & reset to re-enable

Please read README.md on main repo page regarding setup and use compared with manufacturer firmware.

I also highly recommend if you're not keen on the EXTRUDER TOWER to check out my design being released alongside this firmware version.
TZB MK3S:MMU2S Extruder

If you're also having issues with all that retracted filament I've re-imagined the TNDave Filament Buffer with my own modern CAD wizardry.
TZB MMU2S Filament Buffer

STEPS TO GET GOING

1. FLASH MK3 & MMU2 with release HEX files bellow
2. Adjust BOWDEN LENGTH to end of detached tube (BOWDEN TUBE DETACHED FROM EXTRUDER, ONLY FIRST FILAMENT)
3. Get familiar with the differences in failure states and recovery procedures from STOCK in README.md
4. Slice with the PRUSA SLICER using MMU2S Profile
5. Happy PRINTING!

NOTE:

a. PRUSA i3 MK33S FW Based on v3.8.0 Release

Current Issues

a. TZB-MK3S-3.0.0-RC1-BN2426 had a rare issue that would cause MMU2S to miss a command, should be resolved in TZB-MK3S-3.0.0-RC1-BN2427.

1. Still an issue, testing solution now, slated for 3.0.0-RC2 ( FINDA Status Update Causing issues)

REPORTING ISSUES

Please post any feature requests or issues with as much detail including build of printer screen of MMU, MK3 as well as what you think is happening, if your able please have a go at modifying the code and submitting a pull-request for your feature/issue.