Song Ruo Jing b3b3947207 examples: system/deep_sleep
1. Fix EXT0 wakeup pin error on ESP32: GPIO3 is not a RTC IO, change to use GPIO25.
2. Add ESP_ERROR_CHECK to explicitly show the runtime error
3. Improve example README
2023-03-17 14:44:29 +08:00
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2023-03-17 14:44:29 +08:00