ESP8266 Community Forum

- Mon Jun 03, 2019 11:59 pm #82618 Definitely there is an issue with the ESP-01 S Series, I got mine from https://www.aliexpress.com/item/10PCS-LOT-ESP-01S-ESP8266-serial-WIFI-model-ESP-01-Updated-version-Authenticity-Guaranteed-Internet-of/32734941528.html . I have bought the ESP-01 (NON-S) in multiple batches and they work perfectly fine with my Arduino code but not this one, below is all that I have been getting, I have tried all possible ESP board types but no use:

Code: Select allload 0x4010f000, len 1384, room 16
tail 8
chksum 0xef
csum 0xef
csum err
ets_main.c
 ets Jan  8 2013,rst cause:2, boot mode:(3,6)

Any help would be much appreciated.