Alt-BEAM Archive

Message #04819



To: beam@corp.sgi.com
From: Jason - evenflow88@hotmail.com
Date: Wed, 23 Jun 1999 14:04:20 GMT
Subject: [alt-beam] Walker problem(microcore)


hie

okay...here is the problem....i used the PCB from the beam heretics...which
states Hx1.0 in bigfoot....alfter building it...the core work fine after the
PNC is on for a few sec the single process take place(a 106 cap as for
decoupling)...then after i wire the motor driver(74hc245 and h-bridge,i
tried both) down the microcore goes haywire no matter where the enable line
is?

p/s:the h-bridge is from ian's site(psst!note to ian...the tutorial for the
h-bridge is wrong i hope u go correct it)and 100k resistor and for the
74hc245 at first i mount the enable line to the GND didnt work,then i wire
it to the PNC ddidnt work either...so can anyone help me please

jason


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