Parshing Serial data and updating item state

[Arghya_Ghosh]

I have setup serial connection between Openhab2 and arduino. A keypad is connected to the arduino. whenever a key is pressed the arduino will be sending the key number to OH. There are 7 switches which will then be toggled acording to that number. So how can i write this rule. I tried a String data “test” then used test.state==“ON” but it didnt work.
SO i want a rule that can toggle the switch number with respect to the recieved data. please help.

[ThomDietrich]

Hey! I could try to instruct in lengthy details but I think you’ll learn more by looking at this similar example:

Speedtest-cli Internet Up-/Downlink Measurement Integration

Below you’ll find a complete solution on integrating the internet connection bandwidth speed test from Speedtest.net in your OpenHAB setup. This is accomplished by using the speedtest-cli script, which you have to provide on your system. Version Info: The guide was updated for openHAB 2.0 but should work on other versions as well. Functionality: execute speed test once or twice a day, every hour or upon command show summarized results on the sitemap show all results on an extra page after cl…

Let us know if you need more help

[Arghya_Ghosh]

well i read it and i did’t understand it totally. But it looks like a overkill for my problem. isnt there any simpler solution.

[rlkoshak (Rich Koshak)]

Your specific question is fully covered in the rules docs and dozens to hundreds of examples.

To change an Item’s state use sendCommand or postUpdate.

Test.sendCommand(ON)