Gregory's Serverhere's an interesting tool: the HP 548A logic clip. it goes on top of a logic chip and has LEDs for each pin so you can see what the inputs and outputs are doing.
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here's an interesting tool: the HP 548A logic clip. it goes on top of a logic chip and has LEDs for each pin so you can see what the inputs and outputs are doing. 5 comments
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the HP 10529A logic comparator is also very interesting--you install a "reference chip" and it feeds it all the same inputs, comparing the outputs to see if they match or not!