ESP8266 AT-Command firmware

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Flashing combind bin.png

Upload the combined bin file to 0x0000, see the image.

Firmware Description -
File:AT V1.1 on ESP8266 NONOS SDK May 20, 2016 official espressif - ai-thinker mod 1.3 version -
File:At firmware 1.54-201606 -

AI Mod Added Commands

description Header text return
Set GPIO value, 12 is gpio, 1 is set value AT+CIOWRITE=12,1 OK
Read GPIO value, 13 is gpio AT+CIOREAD=13 1:HIGH -
Read ADC AT+CIOADC Example
Set serial baud:

AT+CIOBAUD =<baudrate>,<databits>,<stopbits>,<parity>,<flow control>

  • AT+CIOBAUD =115200
  • AT+CIOBAUD =115200,8
  • AT+CIOBAUD =115200,8,1,0,0
Check rams: AT+CSYSHEAP
smart start: AT+CWSMARTSTART =<method>, AT+CWSMARTSTART to stop it * 0: use AI-LINK
  • 1: use ESP-TOUCH
  • 2: use AIR-KISS

Espressif AT Commands Firmware

Flashing AT 0.6.png


  • You can find the bin file at \ESP8266_NONOS_SDK_V1.5.2_16_01_29\esp_iot_sdk_v1.5.2\bin\at
Options Position
Flash size 32Mbit 512KB+512KB
boot_v1.2+.bin 0x00000 0x01000
esp_init_data_default.bin 0x3fc000 (optional)
blank.bin 0x7e000 & 0x3fe000

Other revisions

How to check version


AT version:  5 2015 16:27:16)
SDK version:1.1.1
Ai-Thinker Technology Co. Ltd.
Jun 23 2015 23:23:50