抠脚大汉
感谢平台推送我的疑问，感谢大佬的解答。
1)刷固件报错信息，官方解释，试了不是resetting的问题，大概率是hardware。
No serial data received.
Esptool didn’t receive any byte of data or a successful slip packet. This error usually implies some kind of a hardware issue. This may be because the hardware is not working properly at all, the RX/TX serial lines are not connected, or because there is some problem with resetting into the download mode.
2)3.3V和GND量过了，不通。
3)AMS1117回家测一下，虽然还不知道怎么测。
4)坏掉了板子不扔，还能用来学习下。
5)开发板二号已经出库，明天就到。😘
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2023/07/26 12:52
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