flipperzero-chronometer

⏱️⏱️ A chronometer application for the Flipper Zero ⏱️⏱️

This chronometer is accurate to the millisecond. TIM2 internal timer of the STM32 MCU is used to generate a 64 MHz clock signal. This signal is used to count elapsed time.

Gallery

Note: Chronometer stops after 99 hours, 59 minutes and 59 seconds

Build the program

Assuming the toolchain is already installed, copy flipper_chronometer directory to applications_user

Plug your Flipper Zero and build the chronometer:

./fbt launch_app APPSRC=applications_user/flipper_chronometer

The program will automatically be launched after compilation

Button assignments:

button	function
Ok [short press]	Start/stop the chronometer
Ok [long press]	Reset the chronometer
Back [long press]	Exit

If you don't want to build this application, just simply copy flipper_chronometer.fap on your Flipper Zero

Build has been made with official toolchain, API Mismatch error may appear if you are using custom firmware. You can bypass this error but the program may crash.

Changelog

• 2023-08-08

  • Hour is now displayed
  • Limits have been increased to 99:99:99 instead of 1 hour

• 2023-08-02

  • Initial release