The MD0500 is a compact and versatile data logging module designed for use with Arduino, Raspberry Pi, and other microcontrollers. It features a microSD card slot for data storage and an onboard real-time clock (RTC) for timestamping, making it ideal for sensor logging and time-based data collection.

Specifications

• Operating Voltage: 3.3V – 5V
• Storage: Supports microSD cards (FAT16/FAT32)
• RTC Chip: DS1307 with battery backup
• Interface: SPI (SD card), I2C (RTC)
• Voltage Regulation: Onboard 3.3V regulator
• Form Factor: Miniature PCB with prototyping area

Key Features

• Real-time clock retains time even when powered off
• 3.3V level shifter protects SD card from overvoltage
• Compatible with Arduino, Raspberry Pi, and similar platforms
• Includes prototyping area for custom circuitry
• Libraries and example code available for quick setup
• Requires a CR1220 coin cell battery for RTC backup (not included)