Found in a 1980s English magazine, this trigger circuit can have different types of inputs depending on the sensor and type of action on the controlled load.
This an old commercial receiver found in a year 1958 magazine. The circuit uses some transformer...
We find the original circuit in a technical publication of 1978. Changing the components, such as...
This circuit was found in a 1998 documentation, but it is still viable today, as it uses common...