I found this circuit but it's low voltage is 2.4V and I want to change it to 3.0V maybe 3.2V.
Can I just change out A1 with one that detects a different voltage like this one?Digi-Key Part Search
Or would I have to change other parts too?

Link to the original image is here http://www.discovercircuits.com/PDF-FILES/undervol.pdf.
Thank you for your time.
Can I just change out A1 with one that detects a different voltage like this one?Digi-Key Part Search
Or would I have to change other parts too?

Link to the original image is here http://www.discovercircuits.com/PDF-FILES/undervol.pdf.
Thank you for your time.