This simple source uses two 2N3055 transistors that must be equipped with good heat sinks. The source has no protection, only an input fuse. The diodes are for 5 A x 50 V or more.
A ring and pendulum of stripped wires form the sensor for this alarm. Once triggered, to reset, you...
We found this circuit, which should only be used with incandescent lamps. In the Motorola Linear...
The circuit shown can be connected in parallel with the speaker of a sound system. Its purpose is to...