This is a video I did back in 2017 where I took a photo of a house key and 3D printed it and it actually worked. NOTE: This key wasn’t the strongest of keys. And only worked a few times. But it is only needed once to make it a bad day for a home owner. Beware when you post pictures that include your keys in them.
If you are looking to build a cross platform application in .NET Core that can access Dynamics SL, you can use Catalina’s API for Dynamics SL. This is a demo on how you can do it using Visual Studio and deploy the client to Windows, Mac, and/or Linux (or any OS that supports .NET Core).
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.