We developed the “SPEEDY board “: the most performing electronic board for the control of FFF 3D printers based on the 32bit cortex M4 :
-180 MHz ARM Cortex M4 processor with FPU
-320×480 touchscreen display, 65536 colors
-up to 8x Driver, 1/32 step, 2.5A software selectable (no trimmer)
-up to 18x Digital inputs (end-stop …)
-up to 8x Analog inputs (temperature sensors …)
-up to 10x Digital outputs MOSFET (extruder, fan …)
-Wi-Fi (access point, station, HTTP server)
-USB
-SD card (4 bit speedy interface system
-UPS like system. This feature is covered by creative commons license