In many industrial and environmental monitoring projects, a large number of RS485-based sensors are already deployed, such as oxygen, temperature, and humidity sensors.
The real challenge is not data collection, but:
How to integrate these existing sensors into LoRaWAN networks and upper-level systems without replacing them?
Taking the RS-O2WS-N01 Oxygen Temperature Humidity Sensor as an example, it provides stable data acquisition but relies on wired communication.
With KC21 + EdgeBus + ThinkLink, these traditional sensors can be seamlessly upgraded into a wireless IoT system.
Solution Architecture
The system includes:
RS485 Sensors (Oxygen / Temperature / Humidity)
KC21 (Data acquisition + LoRaWAN communication)
EdgeBus (Protocol parsing & edge processing)
ThinkLink (Platform & system integration)
Key Advantages
- Reuse Existing Sensors, Reduce Costs
Instead of replacing all existing RS485 devices:
No need for hardware replacement
Faster deployment
Lower project cost
KC21 enables direct integration of Modbus sensors into LoRaWAN networks.
- Integrated Power Supply and Communication
KC21 can power the RS485 sensor while handling communication.
Benefits include:
Reduced wiring complexity
Easier installation
Ideal for retrofit projects
- From Data Collection to Business Integration
With ThinkLink, the system evolves beyond simple data transmission:
Unified multi-sensor management
Real-time data visualization
Telemetry reporting
Alarm and automation
Integration with third-party systems (SCADA, cloud, etc.)
👉 This transforms isolated devices into a scalable IoT system
Typical Applications
Cold chain monitoring
Industrial safety (oxygen monitoring)
Food processing environments
Pharmaceutical storage
Smart buildings and campuses
Conclusion
In real-world projects, the key challenge is system integration rather than sensing capability.
KC21 + EdgeBus + ThinkLink provides:
A cost-effective upgrade path
Seamless LoRaWAN integration
Unified IoT data platform
Future-ready system scalability
It is an ideal solution for upgrading existing RS485-based infrastructure into modern IoT systems.
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