Datasheet

In my workroom, I got about 24 degrees C and a 'light measurement' of about 400 -

remember that while the temperature sensor gives an 'absolute' reading in C or F, the light

sensor is not precise and can only really give rough readings.

Once you've verified that the sensors are wired up correctly & running its time to get to the

logging!

Logging sketch

Download the light and temperature logging sketch from GitHub (http://adafru.it/c7e). Insert

the SD card.

Look at the top of the sketch for this section and uncomment whichever line is relevant.

Check the RTC page for details if you're not sure which one you have. (http://adafru.it/rei)

/************** if you have a DS1307 uncomment this line **************/

//RTC_DS1307 RTC; // define the Real Time Clock object

/************** if you have a PCF8523 uncomment this line **************/

//RTC_PCF8523 RTC; // define the Real Time Clock object

/**********************************************************************/