| Pop music and light effects are inseparable. The circuits that make the effects possible vary from simple to camp lex. The circuit presen...
| Pop music and light effects are inseparable. The circuits that make the effects possible vary from simple to camp lex. The circuit presen...
| A type 555 timer and some passive components can provide a small converter to provide a negative output of 12 V at a few milliamperes.
| The tester in the diagram can be used to test virtually any kind of semiconductor device, ranging from switching diodes to power transis...