MLAB
Module
frequency-counter i2c i2c-device real-time-clock rtc

RTC03

Modul contains real-time clock IO PCF8583, which can work as signal counter up to 20kHz.

This is an open-source hardware design, one of the modules from the MLAB labolatory system.

Czech version

RTC03A - I2C real-time clock with counting mode

The module contains a real-time clock IO PCF8583, which can work as a signal counter up to 20kHz.

RTC03A

The design led to the development of the UAV tachometer device TFRPM01.