/tag-en/timer
| Title | Short description |
|---|---|
| Darkroom timer for PCB exposure | Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. |
| Delayed switch | A simple delayed switch. |
| Three timers | Three timer circuits. |
| Title | Short description |
|---|---|
| Darkroom timer for PCB exposure | Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. |
| Delayed switch | A simple delayed switch. |
| Three timers | Three timer circuits. |