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- Wed Jun 18, 2025 9:02 am
- Forum: General Discussion
- Topic: ESP32 WROOM 32E GPIO 13 (TX), GPIO 27 (RX) cannot perform UART communication with HMI screen
- Replies: 0
- Views: 66
ESP32 WROOM 32E GPIO 13 (TX), GPIO 27 (RX) cannot perform UART communication with HMI screen
Hi everyone, I would like to know any potential hardware considerations when I remap Serial1 pinouts to GPIO13 (TX) and GPIO27 (RX). I am designing a ESP32 WROOM 32E customised board for my project. GPIO13, GPIO27 can communicate (read / write) with HMI screen using the esp32 board I bought from ...