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Re: EEVblog #51 – A tour of the EEVblog Electronics Lab


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 )



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