Tag Archives: stm32

CPU Swaps & Firmware – We want Source Code

With the Chinese companies trying to keep costs low, most of them are swapping out name brand CPUs from vendors like STM32 to others that are not supported by firmware that we all commonly use. We put out the firmware for the community to make 3D printers better as well as make using our products […]

Ender 3 S1 Boards – F4 CPU firmware progress

More CPU swaps to make things harder for everyone Those of you who bought Ender 3 S1 printers or replacement boards may have noticed that some of them are coming with STM32F401 CPUs on them instead of the STM32F103 CPUs that they originally shipped with. The good news is that Creality did release the source […]

More STM32 Clones – Creality V4.2.X Boards with GD32 Clones In the Wild…

Back in August BigTreeTech was sending out some boards with the GD32 CPUs that are STM32 clones on them. These chips had odd compatibility issues with Marlin and other firmware that required workarounds and patches to code to get them running. These CPUs are not STM32 licensed cores and running standard STM32 code on them […]

EZBoard V2 – Production Update – All Tests Passing

We’re proud to announce that the 1st batch of boards that were made are ready to be moved into full scale production. We’ve completed over 200 hours of printing on the retail board version as well as 1000+ hours on the prototype. All firmware is working, thermal testing passed, and load testing passed. We are […]