This CMOS 4001 oscillator alternately turns the relay on and off at times set by R2. The circuit is from Electronics Now magazine, June 1995.
This circuit was found in the February 1990 issue of Radio Electronics magazine. The gain is given...
This 90's project shows how to use an old cassette recorder to practice telegraphy. In position A of the...
We found this 4-channel mixer in the August 1999 issue of Electronics Now magazine. The circuit can...