[sdiy] Substitute for pin matrixes? Neat solution?
John Mahoney
jmahoney at gate.net
Sat Jan 23 21:30:26 CET 2010
At 03:19 PM 1/23/2010, karl dalen wrote:
>Guess what i found?
>
>Bipolar hall switch!!!
...
Neat, but those operate at fairly low voltage. Not a problem?
John
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