RTCC board wich has the Microchip MCP79410 real time clock with I2C interface
This sketch set and arbitrary time and date, and then send through serial port every five seconds
library to control, set and read time and date from Hotboards rtcc board, wich contains the Microchip MCP7941x real time clock
You can buy this board at http://hotboards.mitiendanube.com/productos/rtcc/
Also check its tutorial at Hotboards blog (only in spanish): http://hotboards.org/index.php/es/blog/30-spanish/blog/boards/146-reloj-digital-con-mbed
This sketch demonstrates how add and substract time values using the time span objects
This sketch set an single alarm that will be active after one minute.
This sketch set time and date using compiler macros, and then send through serial port every five seconds