2 Jan
2003
2 Jan
'03
5:16 a.m.
On Thu, 2 Jan 2003, Vintage Computer Festival wrote:
I've got the PICK CHECK signal from the reader
going into CB2. I have a
1K resistor going from CB2 to ground.
^^^^^^^^^^^
Try changing to 5K or even 10K (what I always use for pull ups/downs in
TTL work. I think you're burying the poor PICK CHECK signal. Actually
all the resistors oughta be 10K, IMHO.
Cheers
John