https://github.com/persello/frequencycounter

Arduino/AVR frequency counter. Up to f_clk_io/2. Uses Timer/Counter1.
https://github.com/persello/frequencycounter

arduino avr frequency-counter high-frequency mhz timer-counter

Last synced: about 2 months ago
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Arduino/AVR frequency counter. Up to f_clk_io/2. Uses Timer/Counter1.

• Host: GitHub
• URL: https://github.com/persello/frequencycounter
• Owner: persello
• Created: 2019-05-14T19:15:03.000Z (about 7 years ago)
• Default Branch: master
• Last Pushed: 2019-05-15T13:56:30.000Z (about 7 years ago)
• Last Synced: 2025-06-06T17:43:12.732Z (about 1 year ago)
• Topics: arduino, avr, frequency-counter, high-frequency, mhz, timer-counter
• Language: C++
• Size: 4.88 KB
• Stars: 0
• Watchers: 0
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# FrequencyCounter

Arduino/AVR high frequency counter, goes up to half the clock speed of the microcontroller. It uses Timer/Counter1 in order to achieve high speeds.

## Usage

Simply upload the program using PlatformIO or Arduino (sketch file is located in the src folder) and connect to the serial monitor.

Connect your signal line to the digital pin 5 (on Arduino), called PORTD5 (T1 input) on AVR microcontrollers. Using an external clock is recommended.

Units are automatically calculated.