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by zhangshuangdong
Mon Feb 22, 2021 7:45 am
Forum: ESP-IDF
Topic: Ethernet basic example - Error: lan8720_pwrctl: power up failed
Replies: 10
Views: 16447

Re: Ethernet basic example - Error: lan8720_pwrctl: power up failed

楼主您好,我也遇到了相同的问题,请问您解决了吗? 我尝试单独使用电源给LAN8720供电,然后再使用USB口给esp32上电,可以解决这个问题。 我猜测可能与phy的供电顺序有关,期待有人能给出解决方案。 Hello, I also encountered the same problem. Have you solved it? I tried to use the power supply alone to power the LAN8720, and then use the USB port to power on the esp32, which can solve this pro...