I have enjoyed reading tidu765. I am working on a design to try to detect a 50-100 hz signal based on this design reference.
Has anyone modified tidu765 to run on a 3.3v supply? Is this a bad idea? I can always add a boost to 5v, but am looking to minimize hardware. If this isn't a terrible idea, can anyone provide some good first steps / pitfalls that I should be aware of?