MRiscoC (Marlin 2.1.3) firmware for Creality Ender 3 S1 STM32F401: menu switch turns FAN0 into 2000 Hz hardware PWM to drive a TTL diode laser (M106/M107, LightBurn). UBL + CR Touch.
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Updated
Oct 22, 2026 - C++
MRiscoC (Marlin 2.1.3) firmware for Creality Ender 3 S1 STM32F401: menu switch turns FAN0 into 2000 Hz hardware PWM to drive a TTL diode laser (M106/M107, LightBurn). UBL + CR Touch.
Ender 3 S1 firmware: mriscoc ProUI build, exact configs, measured feature budget and a local configurator that compiles and writes the card.
Ender 3 V2 firmware: on power-loss recovery the nozzle LIFTS off the print BEFORE it reheats, so it no longer melts a crater into your last layer. Adjustable Pre-lift Temp. Based on mriscoc Professional Firmware (Marlin).
Ender 3 V2 firmware: on power-loss recovery the nozzle LIFTS off the print BEFORE it reheats, so it no longer melts a crater into your last layer. Adjustable Pre-lift Temp. Fork of mriscoc Professional Firmware (Marlin).
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