RNGBridgeDoc V3

Documentation and guides for RNGBridge V3, an RS485 or RS232 to WiFi bridge for Renogy solar charge controllers with PVOutput and MQTT support.

Trying to find documentation of an older version?

• V2 documentation
• V1 documentation

Feature overview

• Beautiful web interface
  • Control Load, Out1, Out2 and Out3 remotely
  • Get more information about system errors by hovering over them
  • Battery capacity intuitively visualized
  • 
• Over the air software updates (OTA)
  • Displays a banner with download link when a new update is available (since V2.5.0)
  • Keeps configuration after update
• Optional data publishing to MQTT
  • Works with protected Brokers (username, password)
  • Configurable topic, client id, port and ip
  • Configurable update interval (since V2.3.0)
  • Control Load, Out1, Out2 and Out3 (since V2.7.0)
  • Supports Homeassistant Discovery (since V2.7.0)
  • Publish data on individual topics (since V2.10.0)
• Optional data publishing to PVOutput
  • Configurable time offset
• Automatic Load, Out1, Out2 and Out3 control
  • lower/upper setpoint
  • can be inverted
  • control depending on battery SOC(state of charge), battery voltage, panel voltage (since V2.6.0) or panel current (since V2.6.0)
• REST API
  • Control Load, Out1, Out2 and Out3
  • Request current charge controller state (since V2.7.0)

Missing anything? If you want support for a custom feature or want to suggest something, feel free to open an issue or join the Discord Server.

Where to buy

• Get the RS485 kit here
• Get the RS232 kit here

Supported devices

All supported and tested Charge Controllers can be found here

Getting started

• Assemble RNGBridge using the build instructions
• Setup your device using the commissioning guide
• Connect RNGBridge to your MQTT Broker
• Publishing data to PVOutput
• Automatically control load output and Out1, Out2 and Out3
• Control Load, Out1, Out2 and Out3 through REST api
• Request current charge controller state
• Get debug output

About

See the about section here