By constructing the circuit shown you will get a flip-flop which you can use to switch on or off any device. Of course, you must still connect
the necessary driver or switch circuitry to this flip-flop.
Parts Placement Layout
External Wiring Layout
Electronic Circuits volume 1.0 - Circuit Nr. 78
The complete data of the electronic circuit described above can be found in the following book and is available from Amazon.com.
Click on the image to view the book.