• http://www.mikrocontroller.net/topic/218643
• http://ebus.webhop.org/
• http://www.mikrocontroller.net/topic/91164

Vaillant

• http://knx-user-forum.de/knx-eib-forum/6872-vaillant-gas-brennwertkessel-mit-ebus-eib-anbinden-2.html
• http://knx-user-forum.de/wiregate/20249-ebus-usb-plugin-knx-87.html
• http://knx-user-forum.de/wiregate/20249-ebus-usb-plugin-knx-96.html
• https://github.com/yuhu-/ebusd
• https://github.com/mknx/smarthome

serial port on boiler

http://www.ab-log.ru/smart-house/heating-automation/vaillant-rs232

5V TTL level serial

1 Not used
2. +5 V (for the first version of the power adapter vrDIALOG, for the operation of the converter RS232-TTL)
3. RX (from the computer to the boiler)
4. TX (from the boiler to the computer)
5. Ground (earth)
6. +24 (Apparently new power adapter on bus eBUS)