Not necessarily. You can use the S3's built-in USB Serial/JTAG controller for connection to PC for flashing and serial IO. I want to connect the Touchscreen and LCD with SPI, I2C or that I80 thing. So the ESP-S3 runs FreeRTOS and manages the connections via RS485 and Ethernet and simultaniosly send...

thanks for the answer :) i found and ordered the correct board now. But since this board uses UART and i wanna connect as much IO as possible, there is another question. The Dev-Kit of the ESP32-S3 has 2 micro USB ports. So to save some IO pins i thought i could use one of those for my RS485 Board. ...

Hello guys, i want to build a little HMI for myself with an ESP32-S3. I do this just for learning purposes and because its fun tinkering around. I´ve searched the internet for the right Touchscreen display module which i can use for prototyping but there are so many of them. Does anyone have a modul...

Hello, Im currently trying to build a simple plc with an esp32-s3. There i want to integrate a RS485 interface but i have a few questions. What is the logic level of the uart of the esp? 5V or 3.3V? And does anyone of you have an idea if i should do a half or full duplex rs485? Thanks in advance :)