DFRobot - Gravity: Serial Data Logger V2.0 for Arduino

Compared to the previous MicroSD Card Module, this Gravity: Serial Data Logger can store data more conveniently, and supports direct data printing through serial port without additional codes.

The Serial Data Logger provides onboard 128MB Flash memory, no more TF card required. It comes with a USB function, which means you can directly connect it to a PC computer to read the stored files without using a card reader. Meanwhile, with the onboard LED indicator, data writing status can be viewed visually. And the onboard SAVE key makes it easier to store data into separate files.

The upgraded V2.0 version compared to V1.0 version:

• Supports storage in TXT and CSV file formats.
• Significantly improves startup time and runtime stability.
• Supports scheduled creation of files for more flexible storage.
• Added USB port to make reading files more convenient.

Board Overview

Connect Diagram

• With USB function, no card reader required
• Onboard 128MB Flash memory, no TF card required
• Support multiple baud rates, good compatibility
• LED indicator for viewing data writing status visually
• Supports storage in TXT and CSV file formats
• Supports scheduled creation of files for more flexible storage

• Offline data collection
• Capture product log grab
• Robots and drones debug

• Supply Voltage: 3.3V~5V
• Operating Current: 10mA
• USB Protocol: USB2.0
• Operating Temperature Range: -20℃~65℃
• Operating Humidity Range: 5%RH~85%RH
• Dimension: 32*27mm/1.26*1.06”

• Gravity: Serial Data Logger x1
• 2.54-10P Black Single-row Connector x1
• Gravity-4P I2C/UART Sensor Cable