This 9-pixel circuit has been implemented with 9 LDRs and can be coupled to a processing system for an elementary artificial eye. The circuit is from Radio Electronics, November 1986.
To fit the integrated circuit under test, we used an 8-pin DIL socket. Observe the fitting...
This receiver can be used to receive signals from the previous circuit transmitter. The circuit is...
This is the 1968 MR480 commercial cassette recorder circuit. The circuit was fully transistorized and...