| This Frequency Counter is using the ATtiny424 micro-controller. Via its "EVENT" System and the RTC Interval Timer its hardware for the sequ...
gerh (3)
| Low-cost commercially available mole and gopher chasers may do a great job, they do this at the expense of many batteries. With this circuit...
| Controlling the molechaser-buzzer with the ATtiny13A watchdog-timer. The average current consumption is now reduced from 4mA to 0.43mA.