The circuit shown is from old English documentation and can be made with BC548 transistors for low power ones. The 2N3055 must be mounted on a heat radiator.
This circuit has been found in an old documentation and therefore uses a lamp as an indicator. In a...
This monostable circuit uses one of the two flip-flops available on the CMOS 4098 integrated...
This project came out in an article of mine (Newton C. Braga) in the Popular Electronics magazine of...