This sensitive circuit for triggering relays was found in an old English publication. It works with alternating signals applied to its input. Transistors are general purpose types.
This circuit turns on and off from pulses applied to the CLK input. The output 0 goes to the “’1"...
Using the 555 this circuit was found in a Popular Electronics from the 90's. The circuit directly...
We found this circuit in a 1982 documentation. Its outputs must be applied to the input of an...