eBUS Adapter Shield C6 - eBUS bus adapter with ESP32-C6 module

Description

eBUS Adapter Shield C6 is a communication interface designed for the integration of devices using the eBUS bus, commonly applied in heating, ventilation, and solar system installations. The module provides a secure connection to the 2-wire bus thanks to full galvanic isolation, while not drawing power directly from the eBUS line, in compliance with eBUS class 0 specification requirements. The design is based on the ESP32-C6 chip with a built-in Wi-Fi antenna, enabling convenient wireless communication and easy integration with smart home and building automation systems. The device is an evolution of previous eBUS adapter versions and has been enhanced with a range of improvements increasing reliability and functionality. The module offers a built-in USB-C connection, Wi-Fi communication, and the ability to connect directly to Raspberry Pi. Additionally, the device supports external Ethernet modules, allowing flexible adaptation of communication methods to the requirements of a specific installation.

eBUS Adapter Shield C6 has been optimized for compatibility with ebusd software, providing full support for the extended communication protocol. The interface enables the use of micro-ebusd functionality, allowing advanced control and monitoring scenarios for heating systems. The built-in web interface allows convenient device configuration and firmware updates without the need for additional software. As a result, the adapter can be quickly deployed by both home users and professional installers.

The device design includes eFuse protection, safeguarding the circuit against overvoltage and excessive current draw. The adapter also allows measurement of its own power consumption when powered with 5 V, enabling more precise system monitoring. Thanks to its extensive communication capabilities and compatibility with popular building automation systems, eBUS Adapter Shield C6 is perfectly suited for smart home installations and heating system monitoring.

Features

• Interface for 2-wire eBUS bus
• Full galvanic isolation
• No power draw from the eBUS line (class 0 according to eBUS specification)
• Main chip: ESP32-C6
• Built-in PCB Wi-Fi antenna
• micro-ebusd support (requires additional token)
• Built-in USB connection
• Wi-Fi connectivity
• Direct Raspberry Pi connection capability
• Support for Ethernet modules, including USR-ES1
• Full support for the extended ebusd protocol
• Configuration and firmware updates via web interface
• Measurement of own power consumption at 5 V supply
• Ability to connect additional sensors
• Optimized for cooperation with ebusd
• PCB: 4-layer SMD + THT
• PCB finish: lead-free HASL
• Host and power connector: USB-C
• eBUS connector: 3.5 mm pluggable terminal
• Operating voltage: 5 V
• Current consumption: below 120 mA with active Wi-Fi
• eFuse protection against overvoltage and overcurrent
• Dimensions without antenna and connectors: 37 × 26 mm
• Dimensions with antenna and connected eBUS connector: 54 × 26 mm

Kit contains

• eBUS Adapter Shield C6
• 3.5 mm eBUS connector