14 Dec
2007
14 Dec
'07
4:35 p.m.
might be easier to grab a old 5 1/4" ST-506 MFM
drive and fashion a
carrier for 8 heads in fixed location using a single platter. You could
run the "motor" with a pic and the sense amps and drivers for the heads
Has the art totally gone out of design??? The spindle motor driver for an
ST506/ST406/ST412/etc was a separate PCB that just took in 12V DC and
drove the motor. It contains a handful of discrete parts., and AFAIK no
chips.
And you want to use a PIC? You'd probalby need as amnytranssitors to
interface said PIC to the hall sensor and windings.
-tony