The Unipi Gate is delivered with Linux Debian OS that already includes the Node-RED open-source SW platform - a programming tool for interconnecting hardware devices, various APIs or online services. This article assumes Unipi Gate is in factory settings and uses the OS with Node-RED.
Gate
If you cannot tell the device's current state, check the description of all possible states available in LED indication category including visual demonstration.
Securing access to the programming and user interface in Node-RED is as important as securing the OS. If the SW is not secured, unauthorized personnel may gain access to the Unipi unit - this can lead to the same consequences as using an OS that was not secured according to the description mentioned above.
It is thus crucial to have the Node-RED SW properly secured each time a new project is created.
Use the SSH connection to access the device and continue with this guide on the Node-RED official webpage.
Bear in mind the Node-RED is just an alternative to Mervis - the officially supported software solution. The following guides were created just to complement this article and expect at least elementary knowledge of IT and programming - that said, readers should know basics of Linux shell command line and should be acquainted with flash memory, SSH and Modbus.
As the Node-RED is distributed as an open-source platform, many other guides describing its usage are available on the internet. After reading through the above-mentioned guides we recommend to continue with the Node-RED official homepage.