This simple electronic music box circuit was found in the April 1985 issue of Radio Electronics. The components are common, and the note adjustments are made with trimpots.
This circuit was found in a Popular Electronics from the 90s. The circuit has 4 frequency ranges...
This circuit for controlling AC loads in the power grid was found in a 1967 Electronics World. The load...
This hybrid power supply circuit was found in the August 1997 issue of Electronics Now magazine. The...