ESP8266 Community Forum

- Tue Jun 02, 2015 3:20 pm #19271 Hi.

Is there a serial number buried in the IC that i could read to identify it amongst all those i plan to have, or will i need to set them upon first startup?

Thank you.

- Tue Jun 02, 2015 4:25 pm #19279 mac address?

- Tue Jun 02, 2015 4:28 pm #19280 Yep,

Chip ID.

ESP.getChipId() returns the ESP8266 chip ID as a 32-bit integer.

Dans

- Tue Jun 02, 2015 4:33 pm #19281 Wonderful !!!
I hoped for something that easy to come out.

Thanks a bunch !!