The method in this tutorial that I wrote works on all of the HC05 modules that I have used it on. >>> Setting HC05 (ZS-040) to AT mode
Are you sure that the module that you have is HC05? Please post photos of the mofule(s), front and back.
The method in this tutorial that I wrote works on all of the HC05 modules that I have used it on. >>> Setting HC05 (ZS-040) to AT mode
Are you sure that the module that you have is HC05? Please post photos of the mofule(s), front and back.