LightTracker Plus

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LightTracker Plus is an ESP32-based development board featuring a 1 Watt SX1268 (433MHz) LoRa module, GPS module, battery holder, and 2 dBi 433 MHz SMA antenna.

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$100

Information, source code

Official information and source code is on GITHUB: https://github.com/lightaprs/LightTracker-Plus-1.0 

Key Features

  • Ready-assembled PCB: all components are SMD and already soldered
  • Open Source: Shipped with preloaded basic LoRa APRS Software (Tracker, iGate or Digipeater) The source code is shared via GitHub
  • GPS Balloon Mode: for high altitude up to 80km (Convenient for High Altitude Balloon tracking)
  • Arduino Compatible MCU: Since ESP32 is Arduino compatible, you can use VSCode or Arduino IDE and libraries to program LightTracker Plus 1.0.
  • Extendable: Using I2C and SPI pins you can add extra sensors (and their libraries) to LightTracker Plus 1.0 and program it as you wish.
  • 1 Watt Radio: Powerful 1 Watt LoRa radio module
  • GPS Module with Active Antenna: Quectel L80-R, Compact GPS Module Integrated with Patch Antenna
  • 18650 Battery Holder with charging capability (Battery not included)
  • 0.96 inch OLED Screen support (OLED screen not included)
  • 3D Models (stl files) for printing board case (Case not included)

Basic Features

  • Software: Open Source
  • Weight: 40 grams
  • Dimensions: 99.9 mm x 40.9 mm x 26 mm
  • IDE: Arduino & VSCode
  • Platform: ESP32
  • CPU: ESP32-S3 MINI
  • Flash: 8 MB
  • Ram: 512 KB
  • Operating Frequency: 240 MHz
  • Operating Voltage: 3.3V
  • Input Voltage: 3.3V (min) - 5.5V (max) via USB Type C 2.0 or Battery Holder
  • Sensor: SHTC3 (humidity and temperature)
  • LoRa Radio Module: EBYTE E22-400M30S (SX1268)
  • LoRa Operating Frequency: 410~493 MHz (configurable by code)
  • LoRa 30dBm (configurable by code)
  • LoRa Power Consumption (TX): ~650 mA (30dBm)
  • GPS: Quectel L80RE-M37 (GPS-QZSS)
  • Extended Pins: I2C, I2S (in gpio pins, you can select random pins to use for I2S ), SPI, UART, 14x GPIO Pin(includes SPI, Analog pins, Touch pins), 4x Analog, 3x TOUCH, 2x CLK_OUT (in uart0 pins)

Photos