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.
The purpose of this circuit is to re-trigger slow scan circuits used in the 1980s on low frequency...
The AT21CS11 memory device offers an extended voltage range to accommodate lithium-ion battery...
Found in an English publication from the 70's, this radio uses a germanium transistor and requires...