All items tagged with circuit and magnet (7)

3-12-2024 | Troubleshooting coffee machines with hidden magnets? Powered by AAA batteries and a Hall sensor, this simple magnet finder lights the way. L...

22-05-2017 | Here are some new integrated circuit transducers for AC and DC isolated current measurement up to 300 KHz that offer full isolation, despite...

1-07-2010 | If you’re short of inputs on your amplifier, but it has an input for a magnetic pickup with RIAA correction, this very simple project will l...

1-07-2010 | The object of this circuit is turn the domestic lighting on and off in complete safety in a room with very high humidity. A detector, flush-...

1-12-2001 | There are very many switching regulator ICs for reducing a dc voltage. In the ‘step-down’ operating mode, an internal switch connects the in...

1-09-1995 | Have you ever designed a printer circuit board for a project, especially a high-frequency RF one, only to find that when you have built th...

1-09-1994 | Many small and older cars are not provided with a rev counter, which is a pity, because this instrument is veryuseful tor driving with tue...