This circuit was found in the September 1977 issue of Radio Electronics magazine. The power supply is included, and the logic used is TTL.
Found in a 1967 publication by General Electric, this control is intended for motors up to 2 A...
The circuit is Motorola's 1974 Unijunction Trigger Circuits for Gated Thyristor. A 2N2646 can be...
The critical components of this project from a 1978 publication are the transformers, which can be...