A serial device I/O tool

CDBUS (Controller Distributed Bus) Protocol and IP Core

The Valden Heat Pump controller is a platform to precisely control heat pumps

Serial port communication tool. 商业级 C#串口通讯通用框架

Lightweight packet protocol structure for multi-device communication focused on RS-485

Serial / CDBUS / CDNET GUI Tool

CDNET Protocol and CDBUS / CDNET C Library (The library is MCU-oriented.)

Protocol description of the serial communication channel of Samsung airconditioners.

CHPC: Cheap Heat Pump Controller

USB/TTL to RS485 adapter, or transfer raw UART data through CDBUS

RS-485 / CDBUS low cost jpeg camera

XR21B1411 (B1411) driver for Orange Pi Zero with forced RS-485 mode

The Service Display is a open source tool, that allows you to connect Valden Heat Pump Controller to get maximum available information from sensors and show it graphically.

My van's embedded monitoring platform, using Modbus over RS-485 and RS-232.

Sending files and firmware updates over Serial/RS-485. Works with ESP8266/ESP32

Wireless battery-powered environmental monitoring sensors

Get CSV data from your SM300D2 air quality sensor (eCO₂, eCH₂O, TVOC, PM 2.5, PM 10, temperature, humidity) via RS-485 port

This device allows you to control the Valden Heat Pump via remote display. Display can be used with a signal cable up to a few hundred meters long. As well as the controller this display is an also open product with available gerber and source code.

This example shows how to access the Valden Heat Pump Controller data from your server, Raspberry Pi, and so on.

An RS485/RJ45 stackable hardware module