The iButton RTC (DS1904) is a rugged real-time clock module that can be accessed with minimal hardware. Data is transferred serially by the 1-Wire® protocol, which requires only a single data lead and ...

“Here is the Kraztech Real Time Clock (RTC) Module that uses the Microchip MCP7940. The Kraztech RTC Module is intended for the opensource Arduino platform but can easily be used with any ...

DS3231 is a RTC (Real Time Clock) module. ... As told earlier the DS3231 works with the help of I2C communication so it will have a Serial Clock (SCL) and a Serial Data (SDA) pin which has to be ...

Raltron has released the RTT21064 Series of Real Time Clocks designed to play a critical role in keeping accurate track of current time while providing a variety of functions and reducing power ...

The real time clock is a custom designed module based on DS1307 that comes fully assembled and pre-programmed with the current time as the clock operates in either 12-hour or 24-hour format with AM/PM ...