Datasheet

This is the rev B Datalogger.

Note that it has a smaller

prototyping area and that there is

a 2x3 SPI header spot on the

right

Older Shield Pinouts

On the older shields, the pinout was fixed to be:

Digital #13 - SPI clock

Digital #12 - SPI MISO

Digital #11 - SPI MOSI

Digital #10 - SD Card chip select (can cut a trace to re-assign)

SDA connected to A4

SCL connected to A5

The RTC (DS1307) I2C logic level was fixed to 5V