https://oshwhub.com/Y.A.K.E/esp_-ce-shi-ban_ver2
The original author is him
https://oshwhub.com/qiao958092084/zi-zhi-jian-yi-ESP8266shao-lu-qi
For all information, refer to his BOM and directly refer to his.
As an improvement, I added a test pin header based on it. In addition to burning, it can also run tests.
5V is directly derived from the USB vcc. But there is a position for R1. R1 is either a zero-ohm resistor, or a direct short circuit, or a switching diode. I plan to directly short circuit it, although I don't know if this is right.
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