ESP32 Forum

Posted: **Mon Jun 19, 2023 11:37 pm**

Can someone please tell me what the purpose of SW1, SW2 and LED1 is in the case of this schematic:

: ss.png (352.16 KiB) Viewed 664 times

I'm pretty sure SW1 will pull the EN pin to ground, essentially resetting the ESP32, however I'm not sure on the other ones.

Thank you.

Posted: **Wed Jun 21, 2023 2:39 am**

SW2 will pull IO0 to ground, doing this when the ESP32 is powering up or reset will force the chip into download mode. The LED probably is something the designer added for debugging or something.

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