ALL the modules are 3.3 volt devices but many have low output regulators in front.
Get the schematic for the one you have and bypass the regulator to run it directly from 3.3v
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On Monday, February 8, 2021, 2:20:28 p.m. EST, <rcrosbypa@...> wrote:
I can not find a low voltage HC-05 module such as the 3.3v. Where did you purchase your module? Everyone I've found on line are of the 3.6-6v modules.
-Thanks
