This circuit controls 6 LEDs in two sets with the phase change cycles controlled by a 555 oscillator. The circuit can be powered by voltages between 6 and 12 V.
The SCR MCR1000 MOS is a rare component today. It is an SCR with MOS field trip, requiring a...
This circuit was found in a Radio Electrnics of the 90s. The SCR can be any of the 106 series...
This circuit transmits to an FM receiver placed nearby telephone conversations. The coil consists of 4...