The VoBo GP-1/HL-1: Reading and Transmitting Vibrating Wire Sensor Data from Dataloggers


In the mining, construction, and environmental monitoring industries, data acquisition is critical. The accuracy and availability of the data can have a significant effect on the success of the project. The Volley Boast VoBo GP-1 (safe area) and HL-1 (hazardous area) devices are innovative LoRaWAN endpoints that have established themselves in the world of data collection, particularly in the ability to read a wide range of sensors.  The VoBo GP-1/HL-1 enables robust, long range wireless communication between vibrating wire data and a LoRaWAN network.

System Components

  1. Volley Boast VoBo GP-1: This robust LoRaWAN endpoint serves as a bridge between various sensors, dataloggers, and a LoRaWAN network. It’s designed to seamlessly integrate with a wide range of sensors and transmitters with a variety of protocols, offering unparalleled flexibility and compatibility.  In this application, the Modbus input channel is used to read register data on the CR6.
  2. Campbell Scientific CR6 Datalogger: The CR6 is a popular choice for data logging applications. It supports a multitude of sensor types and offers robust data acquisition capabilities and in this case functioning as a Modbus slave.
  3. Vibrating Wire Sensors: These sensors are commonly used for measuring various parameters such as strain, pressure, and temperature. They work based on the principle of detecting changes in the frequency of a vibrating wire to determine the property being measured.

Applications and Impact

The integration of the Volley Boast VoBo GP-1/HL-1 with the Campbell Scientific CR6 opens a world of possibilities for real-time environmental monitoring, geotechnical engineering, structural health monitoring, and beyond. Some applications include:

  • Monitoring water level and pore pressure.
  • Monitoring of slope stability and landslide risk.
  • Measurement of soil moisture and temperature profiles.
  • Monitoring of structural integrity in civil engineering projects.


In the world of mining, construction, and environmental monitoring, having access to reliable, accurate, and timely data is essential. The VoBo GP-1/HL-1 is a powerful tool for collecting and transmitting vibrating wire sensor data read from the Campbell Scientific CR6 datalogger. With its wide compatibility, plug-and-play LoRaWAN integration, real-time monitoring capabilities, and robust data transmission features, the VoBo GP-1/HL-1 is changing the way data is collected, analyzed, and utilized. As the push for data increases, innovative devices like the VoBo GP-1/HL-1 play a crucial role in shaping the future of data-driven solutions.