Hi guys, i have a anthem mrx 740 and now i use it from my harmony. It working okish but i want to use it with ip/rs232 commands. I just dont know how to start, anyone did anything similair? An command list is here: https://www.anthemav.com/downloads/MRX-x20-AVM-60-IP-RS-232.xls The unit listens at…

RS232 is an electrical specification that defines a physical connection method and Homey doesn’t have an RS232 connection. The link you have given is a list of commands that would be sent over an RS232 connection. There is nothing there to define how the commands would be sent of TCP/IP, e.g. which…

I also have a amp which can be controlled by rs232. I made a arduino sketch with a arduino board and a rs232 expansion board (about 10 euro total) and use the homeyduinio app over WiFi. But you have to build it yourself.

I am trying to do the same. I would love homey to be able to send a TCP command to the anthem TCP port 14999. For example: Command to select input 3 is Z1INP3. But I can’t find a way to let homey send such a command. I am trying to use my old homewizard, via the ip-switch device. But I get a null …

Sending RS232 from homey

Questions & Help

Driesk April 11, 2023, 6:30pm 5

It should be possible to send rs232 commands via mqtt to a wemos or nodemcu. I did something simular to control axa window openers. It is writen in dutch. If you need more explanation please ask via pm.

Topic		Replies	Views
Send serial commands via Homey Questions & Help	13	2576	May 27, 2021
Homeyduino @ V2.0 Apps	48	5957	March 7, 2019
Homey, HomematicIP und Home Assistant Fragen & Hilfe	33	5230	July 31, 2024
Worx Landroid S und MQTT 🇩🇪 Deutsch (German)	5	3495	April 5, 2022
Sending TCP command to Global Caché IP2SL Questions & Help	1	359	March 13, 2025

Sending RS232 from homey

Related topics