Search found 3 matches

by ngfuture
Thu Aug 10, 2023 6:10 am
Forum: General Discussion
Topic: ESP32 S2 mini vs low voltage
Replies: 0
Views: 1153

ESP32 S2 mini vs low voltage

Hi, I want to upgrade a little IOT station powered with a solar panel, without powerbank. Initially it was built on AVR cpu, now I want to upgrade it with WI-FI functionality. I ran into this problem: when esp32-s2 is powered with low voltage (eg: sunrise), it doesn't respond correctly. It need a ma...
by ngfuture
Fri Nov 20, 2020 10:26 am
Forum: General Discussion
Topic: Lolin32 & ulp & gpio 22
Replies: 2
Views: 3115

Re: Lolin32 & ulp & gpio 22

Hi felmue, thanks for info!
by ngfuture
Sun Nov 08, 2020 8:32 pm
Forum: General Discussion
Topic: Lolin32 & ulp & gpio 22
Replies: 2
Views: 3115

Lolin32 & ulp & gpio 22

Hi all, I just started my esp32 and I'm having fun with ulp for low power work. I'm using a dev board and a lolin32. I'm trying to blink board led. Dev board with led on GPIO4 is working well, but I have no success with lolin32 and led on GPIO22. 1st question: can ulp drive GPIO22 in output ? 2nd qu...