Re: $5 Parralel link
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In article <3251B9D5.67EA@thepentagon.com>, 107
<Legend107@thepentagon.com> writes
>Ive built the $5 Parralel Link and it wont work. Im wondering if anyone
>can help me out.
>
>Heres what I get with linktest.com-
>(Calculator plugged in, turned off)
>send 00 - read 10 - should be 00
>send 01 - read 20 - should be 20
>send 02 - read 10 - should be 10
>send 03 - read 30 - should be 30
>
>(Calculator plugged in, turned on)
>send 00 - read 10 - should be 00
>send 01 - read 20 - should be 20
>send 02 - read 00 - should be 10
>send 03 - read 30 - should be 30
>
>Got any ideas what could be wrong? No wires are touching and it all
>matches the diagram. Is it possible that the diodes got too hot when I
>was saudering? Is it possible that your diagram is inccorect in the
>directions of cathodes/anodes? Whats the problem!
Hello.
One or both of your diodes doesn't work, or you have connected either of
them to the wrong pin, or they are the wrong way round.
The link test program only checks the connection of the diodes - it
doesn't test the way the cable connects to the calculator.
See my web page for other hints.
/\/ / ( /< Nicholas Metcalfe
nick@salokin.demon.co.uk
http://www.salokin.demon.co.uk/
References: