Yes, you’ll still need to use a regulator if the rest of your project ... up and presented ESPs directly connected to the 5V pin of an Arduino that still work after months of service.

Based on UMC 0.18um 3.3v/1.8v Logic Process, current design of Power Regulator is to provide the 3.3v voltage output regulated from a 5v input supply. Moreover, the design is resilient against any ...