ESP32-C3FH4是一款搭载RISC-V32位单核处理器的极低功耗SoC 支持2.4GHzWi-Fi (802.11b/g/n) 和 Bluetooth® 5 (LE) 封装内可叠封4MBflash QFN32 (5×5 mm) 封装 ESP32-S3-WROOM-2-N32R8VDKR-ND ， ESP8089 ESP32-S3-DEVKITC-1-N32R8V ， ESP8285 ...

I just tried it with ESP32-DevKitC V4 with ESP32-WROOM32 module, and I see the same behavior as you. But if I switch to a ESP32-C61-DevKitC-1 (also has a CP2102 onboard), everything works. the ...

This was developed using a NodeMCU v2 Dev Kit as it conveniently provides a secondary UART for debugging. It has been tested with the ESP-01 shipped with the PixRacer and it is stable at 921600 baud.