Payload Limitation With SmartThings ThingShield

[d8adrvn]

There is an undocumented payload limitation when sending messages from the ThingShield to the SmartThings hub. I did some testing using the 24 channel irrigation controller. In this case,the limitation was a hard cutoff between 65 and 70 characters (I didn't narrow it any further). My work around was to split the payload into two separate messages, adding in delay of 2 seconds between each message.

This is less than desirable since the delay makes the Device Type appear "sluggish" to the end user.

[d8adrvn]

I did some empirical scanning of payload lengths and believe that the maximum payload length is 63 characters.