| Originally designed for another purpose, but maybe usefull for foxhunt, a beacon transmitter or practice.
robvh (29)
| Not easy to disable and with a dual alarm loop. And stil with few components.
| Recent induction hobs may feature “Hob2Hood”, a system to automatically switch the extraction hood on and off depending on your cooking acti...
| A little automation for your kitchen by coupling your extractor hood to your induction cooktop.
| What do you do when there is only one pin left for driving an LCD? Use a shift register? But what if you don’t have any? Use a microcontroll...
| Using a microcontroller instead of a shift register this circuits uses a standard asynchr. serial interface.
| Outperforms simple analog timers and still has simple design and operation
| Use a microcontroller to get a simpler and more stable timer.
| An electronic lock can use a keyboard, fingerprint scanner, RFID etc. This one uses a simple potentiometer to enter the secret code.
| Even though in the 1980s gaming was not the big market that it has become today, there were a few electronic games around. Microprocessors t...