CART

MMC-RTC-1

Designed for storage/data logger applications. Has a Multi Media Card (MMC/SD) socket and a battery-backed Clock/Calendar.

$39
MMC-RTC-1 - Multimedia Card interface board with clock/calendar - battery backup

Features

  • Accepts standard MMC/SD or SDHC cards ( Card not included )
  • Lithium Battery backed DS1307 Real-Time Clock ( RTC ) with calendar
  • 5V supply ( converts to 3.3V for MMC/SD )
  • I2C interface to RTC, SPI interface to MMC/SD
  • Allows building high-capacity ( for example 2 Gigabytes ) data loggers