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Wifi IoT Project Module Esp-m2 With Ultra Small Size From Esp8285 Compatible With Esp8266 DIY


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Wifi IoT Project Module Esp-m2 With Ultra Small Size From Esp 8285 Compatible With Esp 8266 DIY  RC Toy Car DO IT


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-M2 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-M2



  • Ultra-small size;
  • Support serial to WiFi;
  • Wireless transparent transmission;
  • Long distance transmission with ultra-low power;
  • 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

Schematics for pin of module

Module size


  • ESP-M2 module: 30pcs

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