Monthly Archives: December 2015

grbl Boosterpack & stepstick adapter

To put a bit more pressure behind my porting attempts, i designed two PCBs: a grbl Boosterpack an adapter for DRV8825 adapter stepsticks providing overvoltage protection       And 10 days later (5at production, rest shipping) i got the boards:

grbl TIVA port

So, picking up where i left off: During the last year i’ve been working with the TI’s TIVA’s … pretty impressive – perfomance wise, io-wise and even price-wise: 80MHz ARM cpu 256K flash 32k RAM EEPROM plenty peripherals (i2c, spi, qei, timers, pwm wha’eva’!) the launchpad has an onboard hw debugger tool support pretty good… Read More »