Blog Post

How to send messageQ string to smartControl

Jakes Van Der Mescht • June 12, 2020

I want to send smartControl a message from other controllers to publish to the cloud?

So smartController can be integrated to and from other controllers. IOTZA, a partner company wants to interface their ESP WIFI solution with smartCOntrol. The first step is to send smartControl a message using serial communication, and smartControl will process this and send to the cloud.

Firmware side.
The message is a serial message sent on serial communication line.
The message has the following format:
{mFrom:002;mTo:001;mAction:m;Topic:Payload;Topic:Payload;etc}
You can have 22 Topic:Payload pairs in one message.
Topic can never be longer than 15 chars.
Payload can never be longer than 25 chars.
The total message can never be longer than 210 chars. Including curly brackets.

You can bitbang this message on baudrate 9600 from your controller. Just measure and send.

An example message from an electricity controller could be:
{mFrom:002;mTo:001;mAction:m;wAmp:2.23;wVolt:230.4;wKwh:2004.7}

This will arrive in the cloud as different messages on MQTT, Topic wAmp Payload 2.23, another message as Topic wVolt Payload 230.4 etc.

Tip. If you want to make sure a specific message reaches the cloud, you can keep it in that message. For example a trigger on movement you can keep as 1(which means movement) for at least two minutes. Remember smartControl do sleep to preserve data and battery, so it could miss that important message.


Hardware side.
Connect your TX to RX connector on the scout side of smartControl. It is that easy.

Happy integrating to smartCOntrol. More later on receiving messages from the smartControl. 
Remember if you need some more help, contact me on jakes@itesseract.com
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