This project can measure the clock pulses fed to the Timer input of the AVR microcontroller. The Bascom code counts the clock pulses for 1 second and display it over the LCD display.
The frequency is displayed in Hertz and this project can measure a frequency of max 8mhz.
Circuit Diagram
For more Detail: 8 MHz frequency meter using AVR microcontroller
8 MHz frequency meter using AVR microcontroller
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