DFRobot Gravity: Serial Data Logger for Arduino can conveniently store data and supports direct data printing through the serial port without additional codes. This data logger offers an onboard 128MB Flash memory and comes with a USB function that helps directly connect it to a PC computer to read the stored files without using a card reader. The Gravity: serial data logger for Arduino features an onboard LED indicator to view the data writing status and the onboard SAVE key makes it easier to store data into separate files. This data logger supports multiple baud rates for good compatibility. Applications include offline data collection, capturing product log grab, robots, and drones debugging.