TF03K serial to MQTT

This projet aim's to export TF03K coulomb meter information to MQTT and home assistant

Getting Started

Have a tk03k coulomb meter

You can find one on aliexpress : https://fr.aliexpress.com/item/32883704077.html

Have a usb to serial ttl : https://fr.aliexpress.com/item/32964764260.html

Wiring

See

Prerequisites

This software was written with docker in mind, the software itself is written in go and should run on any platform where go is running

You can find instruction to install and configure docker here:

https://docs.docker.com/engine/install/debian

Configuration

To configure you docker image you have to setup the following entries in the supplied config.yaml

name: tf03k
manufacturer: Baiway
model: tf03k
mqtt_server: tcp://192.168.5.180:1883
serial_port: /dev/ttyUSB0

Installing

make clean docker run

HA Intégration

Tested platforms

• docker 19.03.8
• Raspberry PI 2+
• Raspberry PI 4
• Rockpi 4
• Synology X86 based

MQTT message

This is an example of the json message sent to MQTT:

{"soc":10,"decivolt":5101,"capamah":20118,"currentma":-1397,"remainsec":52030}

Debugging

... to be written

TODO

• handle MQTT user / password
• enhance documentation
• add lovelace card template

Authors

• Eric Dillmann - Initial work - edillmann

License

This project is licensed under the Apache 2 License - see the apache-license-2.0.md file for details

Acknowledgments