1. E

    Voltage regulator for battery powered microcontroller

    Hi folks, I think what I have is a fairly simple question, yet I've spent so much time Googling, that I've completely lost track of what is what. I'm looking for an affordable voltage regulator to power an ESP32 from a number of AA or AAA batteries. I have bought a pair of these (Dutch...
  2. Randomaker

    Does the CD4051 Analog Multiplexer work with 3.3v?

    I need an analog multiplexer that I can use with a 3.3v NodeMCU. Someone suggested the CD4051. I am just checking to make sure this works with 3.3v? Thanks!