There’s also an SD card thrown in for good measure, making this one of the best tracking and data logging shields for the Arduino. The shield can be configured to send GPS and sensor data from ...

It is an Arduino compatible board (hardware, not footprint) based on the ATMEGA1284P which can be programmed to collect and post data to internet logging ... a micro-SD card slot, 2 serial ...

The Mayfly Data logger ... most other Arduino boards. It has 4 times more flash memory for sketches, 8 times more RAM, and almost twice as many input pins. The memory card socket, RTC, and solar ...