by Roddy | Nov 22, 2021 | Applications, HELM, Lua
Helm has built-in support for accessing JSON REST APIs. To start, add a REST API Device to your panel. You’ll find this in the “Other” section in the Parts Bin. Set the URL property of the device to the base URL of your REST server. Both HTTP and...
by Roddy | Jan 23, 2017 | Applications
Helm 4.4 includes a Facebook “device” to allow Helm panels to integrate use of Facebook with broadcast devices. Typical application include: Posting status updates directly to Facebook from Helm panels Creating Facebook Live streaming broadcasts directly...
by Roddy | Jan 23, 2017 | Scripting
Helm 4.4 introduces some new concepts and capabilities for Lua script support. All existing Lua scripts should work unchanged but use of these new powerful features will require Helm 4.4 or later. This post gives an overview of the new features but does not list the...
by conrad | Dec 16, 2015 | Scripting
If you are programming a sequence of actions in Lua you will soon realise that the Helm user interface does not update until the script is finished. That makes sense under most circumstances for reasons of efficiency. However, if you do want to make lights flash on...
by conrad | Oct 19, 2015 | Scripting
The Helm Table control is designed to display JSON data. In this example we show how to enter and retrieve Table data using lua script. So to begin with let’s look at how Tables exchange data with the world. JSON data format for Tables The JSON data has two...