Espressif ESP32-S3-WROOM-1 D2N8R2 modules obtained Dec 2021;
ESP32-S3-WROOM-1 D2N8R2 native USB is not detected by USBDeview
until releasing RESET while BOOT, then as USB JTAG/serial debug unit.
USB cable into dedicated UART port flashes RGB LED; USBDeview reports CP2102N.
After Windows 11 installs
silabs driver, PuTTY at 115200 scrolls:
I (131888) example: log -> UART
example: print -> stdout
example: print -> stderr
28 Nov 2025: Hosyond ESP32-S3 Development Board N16R8
Compatible with Arduino IoT ESP32-S3-WROOM-1
similar to YD-ESP32-S3 Development Board
- S3 has built-in debugger interface over USB.
- ESP-IDF first supported ESP32-S3 in v4.4
- Arduino V1.8.19 supported ESP32-S3 in Apri 2022.
- ESP32-S3-WROOM-1-N16R8: 512k SRAM, 348K ROM, 8M PSRAM, 16M flash
- Connects to UART port at 115200 speed
- Connects to ESP32-S3 native USB with any speed,
provided that ESP32-S3 USB port is visible as JTAG/serial
