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LoRaWAN GPS Tracker with 9-axis accelerometer-LGT92

LoRa-GPS-Tracker

 

The  LoRaWAN GPS Tracker LGT-92 is an open source GPS tracker base on Ultra Low Power STM32L072 MCU and SX1276/1278 LoRa Module.

LGT-92 includes a low power GPS module L70 and 9-axis accelerometer for motion and attitude detection. The power for both of the GPS module and accelerometer can be controlled by MCU to achieve the best energy profile for different applications.

 

Features:

 

  • LoRaWAN 1.0.3 compliant
  • Regular/ Real-time GPS tracking
  • Built-in 9 axis accelerometer
  • Motion sensing capability
  • Power Monitoring
  • Charging clip with USB port
  • 1000mA Li-on Battery power
  • Tri-color LED, Alarm button
  • Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
  • AT Commands to change parameters

 

Applications:

 

  • Smart Buildings & Home Automation
  • Logistics and Supply Chain Management
  • Smart Metering
  • Smart Agriculture
  • Smart Cities
  • Smart Factory

 

Specification:

 

System:

 

  • STM32L072CZT6
  • Flash:192KB
  • RAM:20KB
  • EEPROM:6KB

 

GPS, L70R:

 

  • Acquisition: 16mA
  • Tracking: 13mA
  • Cold Start: <35s
  • 8uA@Backup Mode
  • Warm Start: <30s
  • Accuracy: < 2.5m CEP
  • ReHot Start: <1s

 

Accelerometer:

 

  • MPU9250 9-axis
  • triple-axis MEMS gyroscope
  • triple-axis MEMS accelerometer
  • triple-axis MEMS magnetometer
  • 3.5mA operating current

 

Power Consumption:

 

  • Sleeping Mode: 77uA
  • Tracking: max: 38mA
  • LoRa Transmit: 24 ~ 150mA

LoRaWAN GPS Tracker