This circuit periodically reverses the rotation of a motor to change the position of eggs in an incubator. The circuit is from Electronics Now magazine, May 1995.
This 1992 circuit operates in the range of cordless phones used at the time. The circuit is based...
This different circuit uses a relay as an oscillator, whose frequency is determined by C1, and to...
This antenna or booster amplifier operates with signals from the midband (MW) range up to the VHF...