Very nice. Sorry that I'm late to this thread, I only occasionally come here. I wanted to offer an alternate suggestion for improving the rails in case others find this useful. One thing I've seen mentioned many times about the cheap Chinese Hiwin knock-offs is the rails and carriages are usually pretty good (within needs of 3D printers), but the bearings (balls) are absolute crap. You can buyby glabifrons - Extruded Aluminum Frames
Agreed, I wouldn't consider it to be a next-gen board by any means, but as an upgrade for an existing setup where a RAMPS is already in place, it seems like it'd be great. The main reason I posted the reference to the board is that it met some requirements suggested by jeroen79, who said "i would prefer an all mbed firmware, but don't think there is one atm". That, and the CPU fit the thread titlby glabifrons - Controllers
I stumbled over this one recently and am wondering why I haven't seen it paired with a RAMPS board... an Arduino Mega pin-compatible (5V tolerant) board with an STM32F4, mbed (even includes Ethernet and a microSD slot). Not M7, but M4. Still double the clock speed of a Due though.by glabifrons - Controllers