This sequential beacon was found in an 80's Radio Electronics. The circuit can be designed using modern equivalent components. Triacs shall be fitted with heat sinks.
This circuit is from an American 1967 documentation and can be implemented with modern equivalent...
Texas Instruments PCM5242 Audio Stereo Differential-Output DAC is a monolithic CMOS integrated...
This circuit was obtained from the February 1992 Radio Electronics magazine. In it, a bar of 4...