Search found 5 matches

by allenpan
Mon Feb 15, 2021 6:27 am
Forum: General Discussion
Topic: ESP32-S2 WROVER module bottom GPIO not working
Replies: 1
Views: 2508

Re: ESP32-S2 WROVER module bottom GPIO not working

UPDATE Problem SOLVED!

the bottom pins are not in perfect contacts, resultant in no output, both Arduino and ESSP-IDF works well!
by allenpan
Sat Feb 13, 2021 5:39 pm
Forum: General Discussion
Topic: ESP32-S2 WROVER module bottom GPIO not working
Replies: 1
Views: 2508

ESP32-S2 WROVER module bottom GPIO not working

ESP32-S2 WROVER module bottom GPIO not working from GPIO_14-GPIO_26, not working, I used the following example: GPIO example: the GPIO (default output 18 and 19), from scope i dont see any output UART echo example: the GPIO 17, 18 default as UART1 TX/RX USB CDC example: the default USB pin 19/20 all...
by allenpan
Tue Feb 09, 2021 4:36 pm
Forum: ESP32 Arduino
Topic: ESP32-S2 Arduino UART1 & USB problem
Replies: 0
Views: 1804

ESP32-S2 Arduino UART1 & USB problem

ESP32-S2 Arduino UART1 & USB problem

1) i am having problem getting UART1 working with default pin 17&18 via HardwareSerial or Serial1 in arduino
2) USB support with example code not working, the USBCDC i can't get my host pc to detect the USB serial
by allenpan
Tue Feb 09, 2021 4:33 pm
Forum: General Discussion
Topic: ESP32-S2 Arduino UART1 & USB problem
Replies: 2
Views: 3786

ESP32-S2 Arduino UART1 & USB problem

ESP32-S2 Arduino UART1 & USB problem Hello i got 2 problems: 1) UART1, how do i defined the pin? i believe default GPIO18 = UART1RX and GPIO17 = UART1TX, but i can't seems to get it working with HardwareSerial or just simply calling Serial1... also how do i remap UART1's pins? 2) i use the USB examp...
by allenpan
Thu Jan 25, 2018 5:08 am
Forum: ESP32 Arduino
Topic: esp-wroom-32 arduino sketch size
Replies: 1
Views: 7296

esp-wroom-32 arduino sketch size

Hello, i believe esp-wroom-32 has the additional 4MB SPI flash, how do i increase the usable space to have a bigger sketch? i believe the only lavaliere 1310720 bytes or 1.28MB is due partitioning to allows OTA feature (one factory image, one running OTA image, and one download OTA image) is there p...