This light effect circuit was found in the July 1971 Radio Electronics magazine. The circuit is powered by 110 V mains but can be modified depending on the triac and lamp.
This 9-pixel circuit has been implemented with 9 LDRs and can be coupled to a processing system for...
This circuit was obtained in a 1979 magazine, but it can be easily assembled today, as the...
The presented circuit makes use of a common operational amplifier that must be powered by a...