| The LM335 is a low-cost temperature sensor with a range of –40 +100 degrees celcius. In this circuit, it is used to show whether the outside...
All items tagged with Switch and OS Windows (3)
| How often does it happen that you close down Windows and then forget to turn off the computer? This circuit does that automatically. After W...
| This circuit can be built into a power bar and used to remotely switch six socket-outlets. It is controlled via an RS232 interface and uses...