Disco Bus Multidrop Communication Protocol

A versatile master/slave protocol well suited for multidrop networks, like RS485.

Features

• Can automatically assign addresses to all slave nodes.
• Supports up to 254 slave nodes.
• Resilient to dead nodes. (i.e. a dead slave node will not kill the rest of the bus)
• Can send up to 255 bytes of data per node per message.

Docs

• Overview
• Communication Basics
• Messages
• Addressing
• Examples

Implementations

• AVR
• nodejs