Search found 4 matches

by olupolup
Fri Sep 22, 2023 3:03 pm
Forum: Hardware
Topic: Designing an ESP32 based device - in need of feedback
Replies: 4
Views: 3755

Re: Designing an ESP32 based device - in need of feedback

Hello, Thanks a million for your explanations, I waited a bit to post again here mainly due to the high moderation times. I have been making some tweaks to the board: - removed d3 - removed the rotary and went for switches instead - added some capacitors for the esp32 s3 - I just saw that on a feath...
by olupolup
Fri Sep 15, 2023 6:41 am
Forum: Hardware
Topic: Designing an ESP32 based device - in need of feedback
Replies: 4
Views: 3755

Re: Designing an ESP32 based device - in need of feedback

Thanks a lot for your time! Indeed you are not the first one to question this diode and i dont know why it's there. Do you reckon I could get rid of it ? It seems so looking at the schematics. Otherwise I'll move to a shottky. The led is red I believe, it's lighted when the battery is charging. What...
by olupolup
Thu Sep 14, 2023 9:00 pm
Forum: Hardware
Topic: Designing an ESP32 based device - in need of feedback
Replies: 4
Views: 3755

Designing an ESP32 based device - in need of feedback

Hello, I am trying to design my first device based on an esp32 s3 wroom (but might move to an S2 for pricing). This is a simple device, battery operated, with 5 buttons, reset and boot, a rotary encoder, an 2.4 tft screen, a 27mm speaker and jack output, an SD card. Basically an mp3 player. I use a ...
by olupolup
Thu Dec 15, 2022 8:59 pm
Forum: ESP32 Arduino
Topic: [help needed] SPI communication between two esp32
Replies: 0
Views: 889

[help needed] SPI communication between two esp32

[This question have also been posted on reddit] Hi, I am trying to send a picture from an esp32 to another esp32 through spi.The slave's code is provided by the board maker and can be found here. They also provide a python code to run on a master Raspberry Pi. They implemented a kind of state machi...