DShot Motor Controller For Raspberry Pi 5 #piday #raspberrypi

Marian Vittek created a Dshot protocol for controlling brushless motors from a Raspberry Pi’s without burdening the CPU. Reported on by Hackster.io:

Typically, implementing DSHot on the Raspberry Pi 5 single-board computer would mean doing so in software — tying up the CPU when it might be needed for other tasks, with the potential for stuttering and responsiveness issues if the CPU is overloaded. Vittek’s implementation, though, takes advantage of the recently-released piolib library to offload the work to the RP1 — an in-house chip, the creation of which inspired the Raspberry Pi RP2040 and RP2350 microcontrollers, which normally handles the Raspberry Pi 5’s on-board low-speed interfaces.

More information is available in Vittek’s Reddit post, while the project source code is available on GitHub under the permissive MIT license. Anyone interested in making use of the Raspberry Pi 5’s RP1 chip in the same way will find piolibin Raspberry Pi’s utils GitHub repository under the permissive BSD three-clause license.

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