One of the first questions we get regarding our API for Dynamics SL is what are the minimum server requirements to run the API.
First of all is the server. We require a Windows Server. Preferably Windows 2012 R2 or better with a minimum of 4gig of ram. NOTE: Diskspace is normally not a big issue since we don’t store anything on the API application except configuration. Also note that most of our customers use a VM for this.
If you use the Catalina Queue Engine for queuing records, you might want to retrieve data in a FIFO (First In First Out) method. This means you want to grab the oldest records first. This is easily accomplished by calling the Catalina Queue API with the parameter sortBy in the query string.
Example, if you are retrieving the queue ORDERS, you would format your URL, for the Queue API, like this:
There have been quite a few requests for the code for my MQTT posting IOT project for testing PH and Temperature of my hydroponic towers. This code is several years old and I haven’t looked at it for at least 2. But, I figured I would put it out on GitHub.
The main purpose of this code is to monitor the PH and temperature in a water tank for my hydroponics and then use MQTT to post to io.adafruit for a dashboard.