Bart Dring, who did the Grbl-ESP32 port, has a tindie store where he sells 2, 3, and 5 stepper host boards for an ESP-32.
(No affiliation, just thinking about using one…)
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…And just as I was about to buy one, he put the store on hold for a few weeks while he’s on vacation. So I have to decide whether to make a temporary board of my own in the meantime. Grbl-ESP32 sure seems like a good idea though!
A post was split to a new topic: Bodging up a Grbl-ESP32 board