Quote:
Originally Posted by jeff5may
Yes, you can grab a sketch that will turn an arduino into a logic probe or analyzer, wire it up, and use it. I don't know how accurate or sensitive it would be. I do know the little 8 channel USB ones work, and can be found for less than 20 bucks. They can also be used as digital storage oscilloscopes, so if you don't have an oscilloscope they are definitely worth the purchase price right there. If you do much tinkering on electronic devices, you absolutely need an oscilloscope.
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Got sidetracked for a few days but wanted to thank you again for this incredible information. The only logic analyzers I could find for under $50 were generic Saleae knock offs but they supposedly work according to reviews. So I have one on order. While I wait, I'm reading up on the basics of microcontrollers at that is the only mysterious black hole in this system for me. I'm sure I'll have more questions after the analyzer arrives.
But thanks again!