| The tester checks whether a transistor, n-p-n as weIl p-n-p , works or not. If it does. the buzzer emits a squeak.
All items tagged with Power Supplies and Battery (15)
| There is a problem if you want to use a car battery to power a circuit which requires a symmetrical supply voltage. Having abandoned the i...
| Model aircraft tend to be realistic reproductions of the real thing. That means, among others, that starting the petrol engine must be d...
| The regulated power supply and four identical current sources shown in the diagram enable the simultaneous charging of four 9-volt NiCd b...
| battery eliminator elektor october 1983 Battery eliminator or mains adapter? The names can be confusing as they"re interchanged freely and b...