Amazfit Watch faces

Hello, I want to ask, is there a program or simulation where I could test the heartbeat (graph) ....

Hello, thank you very much and I appreciate it, I have already made a lot of dials, but I wanted to create something extra, there are not many people here who play with this theme, the only thing I did not understand was the update and finally the processing of the entire script.
They will upload it ...

Hello asoo ....
I don't use a translator because I don't know how it would turn out, your Czech is good after the translation, but with your file......, after inserting and uploading it to the watch, the watch face does not appear, I tried the reset to put a different watch face, etc., I will attach ...

Zdravím
Dělám ciferník pro GTR 3 PRO, který má graf pro srdeční tep, něco jsem tu na forech našel , ale moc to nefunguje,
V souboru index.js je update pro graf - min - max , jak to nahraji do hodinek tak ciferník nejde vidět, ale
když ze souboru index.js vymažu update pro graf - min - max a znova to ...

Ahoj, tvoji tvář jsem nenašel, ale trochu jsem tvořil doufám že se ti bude líbit, najdeš ji
https://amazfitwatchfaces.com/gtr/view/31850