A powerful yet compact 3D printer motherboard that supports TMC stepsticks, fans, heaters, screens and thermistors - KaiPereira/Cheetah-MX4-Mini

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The Cheetah MX4 Mini is an open-source 3D printer motherboard measuring 80x90mm, built around the STM32H743VIT6 MCU. It features 4 TMC stepstick drivers with UART/SPI support, 3 thermistor inputs, LCD/TFT display support, BLTouch probe compatibility, and dual heater outputs. The 4-layer PCB design includes dedicated power/ground planes, supports 12/24V input at 15A, and works with Marlin and Klipper firmware. JLCPCB assembly costs approximately $150 for 5 boards, with individual component costs around $20 plus shipping.

KaiPereira/Cheetah-MX4-Mini: A powerful yet compact 3D printer motherboard that supports TMC stepsticks, fans, heaters, screens and thermistors