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

[septer012]

If any one wants a simple project, maybe a student?  You can try to assemble this logic probe:

Code: [Select]

Resistor: Value (ohms):
R1, R4, R5, R6     1 M?
R2, R3           100 K?
R7            330 ?
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