General Electric suggests this circuit in an 80's documentation. The circuit makes use of PUTs that are not common components today. Note the timing components that may change.
In the figure we have a way of obtaining a 13,2 V with current up to 5 A using an integrated 7812...
This switch is triggered by the touch of the sensors, which can be two metal plates. These plates...
This traditional doubler configuration with the 555 IC can be found in other articles on the...