This circuit was found in 1967 Philips documentation. It uses transistors from that time. Transistors can be replaced with modern equivalents.
This circuit was found in a Popular Electronics of the 90s. It operates a third brake light that...
This circuit uses two TTL trigger inverters to generate signals that can be adjusted at R1. The...
This is the power step of the previous circuit. Output transistors must be mounted on good heat...