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.
This circuit, found in a 1978 publication, produces pulsating effects in an incandescent lamp up...
We found this circuit in a 1992 publication, but for the components it uses, its assembly can...
This circuit is from old American documentation, but the components used can still be found quite...