·
82 commits
to main
since this release
Numerous improvements to the control board PCB:
- Change MCU to STM32F103CBT6.
- Add USB D+ pull-up resistor.
- Remove copper fill around mounting holes.
- Use a different buzzer.
- Add a snubber diode to the buzzer circuit.
- Use Schottky flyback diode for the heatbed.
- Miscellaneous changes.
Other PCBs were not changed.