Folks,
Has anyone used used an FS-Hcore-A7670 LTE module with any Arduino ?
I bought a couple for a project from Ali Express and can find no information on the modules supply voltage or voltage levels for the uarts. I’ve got data sheets for the A7670C module but don't help as the PCB has a number of IC’s which could be voltage regulators or level shifters.
I’d be extremely grateful if anyone has a relevant data sheet or link to a website with the info.
Many Thanks
Malcolm