LILYGO Disaster-Radio LoRa V2.1_1.6.1 ESP32 433/868/915Mhz WIFI Wireless Bluetooth Module 0.96 Inch OLED SD Development Board

Disaster-Radio offers a groundbreaking off-grid, solar-powered, long-range mesh network based on open-source software and affordable hardware. The LoRa32 V2.1_1.6.1 module, featuring an ESP32 microcontroller, is designed to provide reliable communication in disaster scenarios, making it perfect for emergency responders and remote communities.

Key Specifications:

• Microcontroller Unit (MCU): ESP32
• USB Serial Chip: CH9102F
• Working Voltage: 1.8~3.7V
• Acceptable Current: 10~14mA
• Transmit Current:
  • 120mA @ +20dBm
  • 29mA @ +13dBm
  • 90mA @ +17dBm
• Operating Frequency: 433/868/915MHz
• Transmit Power: +20dBm
• Receive Sensitivity:
  • -139dBm @ LoRa & 62.5kHz & SF=12 & 146bps
  • -136dBm @ LoRa & 125kHz & SF=12 & 293bps
  • -118dBm @ LoRa & 125kHz & SF=6 & 9380bps
  • -123dBm @ FSK & 5kHz & 1.2Kbps
• Frequency Error: ±15KHz
• FIFO Space: 64 bytes
• Data Rate:
  • 1.2K~300Kbps @ FSK
  • 0.018K~37.5Kbps @ LoRa
• Modulation Modes: FSK, GFSK, MSK, GMSK, LoRa™ , OOK
• Interface: SPI
• Sleep Current:
  • 0.2µA @ SLEEP
  • 1.5µA @ IDLE
• Operating Temperature: -40°C to +85°C

Notable Features:

• Digital RSSI Function: Monitor signal strength easily.
• Automatic Frequency Correction: Ensures stable communication.
• Automatic Gain Control: Optimizes performance under varying conditions.
• Fast Wake-Up and Frequency Hopping: Enhances responsiveness and reduces interference.
• Highly Configurable Data Packet Handler: Customizable for various applications.
• SMA Antenna: Improved signal transmission capability.

Enhancements in LoRa V2.1_1.6.1

Compared to the earlier LoRa V1.0, the V2.1_1.6.1 model includes the following upgrades:

• SMA Connector: For enhanced signal transmission.
• TP4054 Charging Circuit: More versatile power management.
• Revised Power Switch: Improved interaction for easier use.

Applications:

Disaster-Radio's versatile capabilities make it suitable for:

• Emergency Communication: Effective in disaster-stricken areas without traditional infrastructure.
• Remote Monitoring: Use in environmental monitoring and agriculture.
• Mesh Networking: Connecting multiple devices for extended coverage.

To explore the technologies driving our development and get involved, visit:

• Disaster.radio
• GitHub - sudomesh