| This circuit interferes with the low-voltage connection between the boiler control unit and the hot water flow switch — the sensor that clos...
| This circuit interferes with the low-voltage connection between the boiler control unit and the hot water flow switch — the sensor that clos...
| With this circuit featuring a single ATtiny85 microcontroller, you can simultaneously obtain three square waves of different, user-defined f...
| Need to turn on a device by placing an object on a surface? This low-power IR switch can do the trick.
| Pulse width modulated switching is an efficient technique to control power dissipated in a load. This simple four-component design builds an...
| Microcontrollers are not mandatory. Sometimes pure logic does the job.