update README.md.

Signed-off-by: 慕炎 <29385962@qq.com>
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慕炎 2022-09-12 03:31:38 +00:00 committed by Gitee
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@ -50,6 +50,8 @@ HW6.01的程序使用 https://gitee.com/muyan3000/esp32-mppt/tree/master/esp32_b
flash_download_tool工具下载地址[https://www.espressif.com/zh-hans/support/download/other-tools](https://www.espressif.com/zh-hans/support/download/other-tools) 选择esp32进行烧写
建议先烧录https://gitee.com/muyan3000/esp32-mppt/blob/master/esp32_buck_boost/bin/i2cdetect.binI2C检测程序检查INA226的地址是否正确
正常的TI INA226地址为0X40和0X41
2、烧写完成后通过串口调试助手之类的串口工具对输入输出电压进行查看校准