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Re: EEVblog #51 – A tour of the EEVblog Electronics Lab
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septer012:
If any one wants a simple project, maybe a student? You can try to assemble this logic probe:
--- Code: ---Resistor: Value (ohms):
R1, R4, R5, R6 1 M?
R2, R3 100 K?
R7 330 ?
--- End code ---
An an 8 pin dual op-amp IC tolerant to 5 volts.
Red/Green two color LED
It is tri-state( Red High, Green Low, Orange signal )
source: http://www.swansontec.com/sprobe.html
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