We found this 12 V ignition circuit in the 1964 RCA transistor manual. The 2N3054 can be replaced by the TIP41C. The two transistors must be provided with heat sinks.
June 2017 - Mouser Electronics announced the availability of new low-power Bluetooth modules from...
This source circuit, published in 1988, incorporates a timer with integrated circuit 555. In this...
The purpose of the circuit shown in the figure is to open and close the contacts of a relay...