Hi, Can you please edit your post and format the code as code? Now its 3 miles long 
Howto: Just add three backticks above and below like
This should work:
http://nrg-itho-A1B2.local/api.html?command=high
If not, you’d have to look up the manual by Arjan (in post 1)
I also like to point out the new NRG Itho Daalderop app created by Stèphan.
This should be capable of using the presets and speed for now: