ESP32-C3FN4/FH4 Development Board_V1.1

This is a newly updated version based on the previous one:
https://oshwhub.com/double_mumu/esp32-c3fn4-fh4-kai-fa-ban (previous version).
 
It's a development board based on the ESP32C3-FH4 chip, which has a built-in USB port, eliminating the need for serial port driver circuitry. It allows for direct connection to a computer for real-time downloading.
For a demonstration, visit Bilibili:
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Note: IO12 (GPIO12) and IO13 (GPIO13) are multiplexed as SPI signals SPIHD and SPIWP in QIO mode. To increase the number of available GPIOs, when using self-compiled software, you need to configure the flash to DIO mode.
Errors present: 1. The silkscreen text for GPIO12 and GPIO13 is reversed and has not been corrected. You can manually modify the silkscreen during board assembly. 2. The switch is not connected.
The latest version has fixed all these issues and optimized the back cover. Search "小O造物" on Bilibili and send me a private message for the latest files!
 
ESP32C3-QFN4 Development Board V1.2.1 ①. Fixed GPIO12/13 silkscreen error. ②. Fixed button wiring error. ③. Optimized screen and button layout. ④. Added 3V3, 5V and GND interfaces. ⑤. Modified power supply LED resistor, improving brightness. ⑥. Optimized Wi-Fi antenna layout; impedance matching needs verification, grounding pin 1 is not recommended.