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This is a 5x7 display being controlled with a PIC16F690.
More information about this circuit can now be found at http://people.rit.edu/~jts7739
7,759 views
A simple decoration consisting of some 74l1s164 shift registers and 555-timer.
More info about this circuit can be found at http://people.rit.edu/...
1,007 views
DTMF Decoder Circuit.
More info about this circuit can now be found at http://people.rit.edu/~jts7739
16,276 views