4856

Chronometer with GPS time-base from microseconds up to 99h59m59s999ms999µs up to 500 times can be stored web-page with all registered times

Easy to use and high precision chronometer
GPS time base for high precision
up to 500 times can be stored
STM32F411CEU for timing
ESP32-WROOM for storing registered times and display on webpage
Times are stored in SPIFFS flash memory. 
Special action needed before clearing SPIFFS memory (push push-button at start-up)
See all on Github
https://github.com/thieu-b55/High-Precision-Chronometer