Ai-Thinker Technology

ESP8266 series module topic

ESP8266 series module topic

1. Overview

ESP8266 series modules are a series of low-power UART-WiFi chip modules based on Espressif's ESP8266EX developed by Shenzhen Ai-Thinker Technology Co., Ltd., which can be easily developed for secondary development, access to cloud services, and realize mobile phones 3/4G global control anytime, anywhere, accelerate product prototype design.

The module core processor ESP8266 integrates the industry-leading Tensilica L106 ultra-low-power 32-bit micro MCU in a smaller package, with a 16-bit compact mode, the main frequency supports 80 MHz and 160 MHz, supports RTOS, and integrates Wi -Fi MAC/BB/RF/PA/LNA, onboard antenna. Support standard IEEE802.11 b/g/n protocol, complete TCP/IP protocol stack. Users can use this module to add networking functions to existing equipment, or build an independent network controller.

ESP8266 are high-performance wireless SoCs that provide maximum practicability at the lowest cost, and provide unlimited possibilities for Wi-Fi functions to be embedded in other systems.


  • 802.11 b/g/n
  • Built-in Tensilica L106 ultra-low power consumption 32-bit micro MCU, main frequency supports 80 MHz and 160 MHz, supports RTOS
  • Built-in 10 bit high precision ADC
  • Built-in TCP/IP protocol stack
  • Built-in TR switch, balun, LNA, power amplifier and matching network
  • Built-in PLL, voltage regulator and power management components, +18 dBm output power in 802.11b mode
  • A-MPDU, A-MSDU aggregation and 0.4 s guard interval
  • Wi-Fi @ 2.4 GHz, supports WPA/WPA2 security mode
  • Support AT local upgrade and cloud OTA upgrade
  • Support STA/AP/STA+AP working mode
  • Support Smart Config function (including Android and iOS devices)
  • HSPI, UART, I2C, I2S, IR Remote Control, PWM, GPIO
  • Deep sleep hold current is 20 uA, shutdown current is less than 5 uA
  • Wake up, connect and transmit data packets within 2 ms
  • Standby power consumption is less than 1.0 mW (DTIM3)
  • Operating temperature range: please refer to the specific model specification for details


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