•    Mini Ultra-Small ESP-M1 ESP8285 Serial Transmission Wireless WiFi Control Module Long-Distance Low Power Consumption

Mini Ultra-Small ESP-M1 ESP8285 Serial Transmission Wireless WiFi Control Module Long-Distance Low Power Consumption

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What is ESP8285?

  ESP8285=ESP8266+1M Flash, the bearing high temperature is 125℃ (the one for ESP8266 is just 85℃). More important, the code programmed in ESP8266 can be used for ESP8285 intactly.

  • ESP-M1 is encapsulated  by the high performance chip ESP8285, which is equal to ESP8266 chip plus 1M Flash. The chip ESP825 is encapsulated a advanced Tensilica’s L106 32-bit CPU, together with SRAM. ESP825 has the full and complete WiFi fuction, which can used independently and alsoused as a slaver with other Hoster MCU, which can start directly from the out-built Flash. In addition, the built-in high-speed buffer is benefit for the system performance. Especially, ESP8285 can be used as a WiFi adapter by SPI/SDIO and/or I2C/UART interface, when it is applied to the other MCU design.
  • More details, please visit this github link to get the manual and tools,   https://github.com/SmartArduino/SZDOITWiKi/wiki/ESP8285---ESP-M1  


  • Ultra-small size;

  • Support serial to WiFi;

  • Wireless transparent transmission;

  • Long distance transmission with ultra-low power;

  • Support outboard antenna;

  • Bearing high temperature to 125 ℃, compared to the 85℃ for ESP8266.


SOC characteristics

  • Built-in Tensilica L106 ultra-low power 32-bit CPU, main frequency supports 80MHz and160MHz, and RTOS;

  • Built-in TCP/IP protocol;

  • Built-in one-channel 10-bit high precision ADC;

  • Outboard interface: HSPI, UART, I2C, I2S, IR Remote Controk, PWM, GPIO;

  • Deep sleep current is 10uA, the cut-off current is smaller than 5uA;

  • Wake,connect and transmission data package within 2ms;

  • The consume power is smaller 1.0Mw (DTIM3) when at stand by status;

  • Built in 1M byte for SPI Flash.

WiFi characteristics

  • Support 802.11 b/g/n/e/I;

  • Support Station, Soft AP, Soft AP+STA mode;

  • Support WiFi Direct (P2P);

  • Support CCMP (CBC-MAC, computation mode), TKIP (MIC, RC4), WAPI (SMS4), WEP (RC4), CRC etc., for hardware acceleration.

  • P2P finding, P2P GO mode/ GC mode and P2P power manage

  • WPA/PA2PSK and WPS;

  • 802.11 securitycertification: pre-certification and TSN

  • Support 802.11n (2.4GHz);

  • 802.1h/RFC1042 frame encapsulation;

  • Support seam less roaming;

  • Support AT remote update and cloud update (OTA);

  • Support Smart Config function (including Android and Ios device).

Module interface

  • 2* UART;

  • 1*ADC;

  • 1*En;

  • 1*wakeup pin;

  • 1*HSPI;

  • 1*I2C;

  • 1*I2S

  • More than 10*GPIOs

Working temperature: -40℃-+125℃;

Module size:

  • 12.3mm*15mm(For M1 module);

  • 12.3*20mm(For M2 module).


  • Electronical appliance;

  • Smart power plug, smart light;

  • Infant monitor;

  • Sensor networks;

  • Security ID label;

  • Wireless location beacon;

  • Home automation;

  • Mesh networks;

  • IP video camera;

  • Wearable electronics;

  • Wireless location recognition;

  • Industrial wireless control;

Module structure

 m1 m2

Schematics for pin of module


Module size



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