Search found 3 matches

by caio1985
Fri Mar 04, 2022 1:31 pm
Forum: Hardware
Topic: Powering ESP32 with Lithium battery (step up module)
Replies: 4
Views: 5039

Re: Powering ESP32 with Lithium battery (step up module)

Hi, The vin pin will be expecting 5v (i.e. the power from the usb socket) the 3.3v pin on the other side is the power going to the esp32 module Does it mean that I must have 5V in my battery and connect that to the VIN to make it work? Because I read that the operating voltage of ESP32 is up to 3.6...
by caio1985
Thu Mar 03, 2022 1:32 am
Forum: Hardware
Topic: Powering ESP32 with Lithium battery (step up module)
Replies: 4
Views: 5039

Powering ESP32 with Lithium battery (step up module)

Hi everyone, I have a ESP32-WROOM-32 which I connected to a external GC9A01 display screen ( https://www.waveshare.com/1.28inch-lcd-module.htm ). The display is using the 3.3V pin. When I plug my ESP32 on the USB input it starts well and display the information I need on the display screen, so every...
by caio1985
Fri Feb 04, 2022 2:46 am
Forum: Hardware
Topic: [Newbie question] How to connect GC9A01 to ESP32
Replies: 0
Views: 2047

[Newbie question] How to connect GC9A01 to ESP32

Hi, I'm new to ESP32 programming and hardware in general. I have an ESP32 and I bought a GC9A01 display exactly like in the picture below. https://www.waveshare.com/img/devkit/LCD/1.28inch-LCD-Module/1.28inch-LCD-Module-details-3.jpg I'd like to know which pins would you plug each one of those to th...