When PWM, GPIO, and NeoPixel fight over DMA channels on the PI, the flicker is unbearable. The solution? Offload motor control to a separate GRBL board on the STM32. Problem solved. https://www.youtube.com/watch?v=FzoxoTVg-0s #PWM #GPIO #NeoPixel #DMAChannels #GRBL #STM32 #iotforge | IoT Forge | Facebook
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