Found in a manual of integrated circuits from the 90s, this circuit makes use of that time components. It is indicated to limit the current in 6 V chargers.
We found this circuit in an American publication from the 1990s. The circuit has a Darlington...
The sensor for this alarm is an LDR and it consists of an oscillator that goes into action when...
This circuit was found in a computer publication from the 1970s. The transistors can be the BD135...