ESP8285 Serial Port To Wifi ESP-S Wifi Module Wireless Transparent Transmission On-Board Antenna, 150m Transmission Distance DIY

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Item specifics

Product Type:
Hair Trimmer Parts
Model Number:

ESP-S wifi module:

  • Model: ESP-S
  • Certification: FCC / CE / ROSH
  • Wireless standard: 802.11 b / g / n / e / i
  • Frequency range: 2.4G ~ 2.5G (2400M ~ 2483.5M)
  • Working voltage: 2.5V ~ 3.6V
  • Working current: average current: 80 mA
  • Operating temperature range: -40 ℃ ~ 125 ℃
  • Module size: 24mm * 16mm * 3mm
  • On-board antenna, transmission distance about 150m (test in open area)
  • Used in smart sockets, smart lights, mesh networks, sensor networks


Application scenario:

  • Household appliances
  • Home automation
  • Smart socket, smart light
  • Mesh network
  • Baby monitor
  • IP camera
  • Sensor Networks
  • Wearable electronics
  • Security ID tag
  • Wireless location awareness
  • Wireless positioning system beacon
  • Industrial wireless control


SOC characteristics:

  • Built-in Tensilica L106 ultra-low power 32-bit microprocessor with 80MHz and 160MHz frequency support, RTOS support
  • Built-in TCP/IP protocol stack
  • Built-in 1 10 bit high precision ADC
  • Peripheral interface HSPI, UART, I2C, I2S, IR Remote Control, PWM, GPIO
  • Deep sleep keeps current at 10uA and shutdown current is less than 5uA
  • Wake up, connect and pass packets within 2 ms
  • Standby power consumption is less than 1.0mW (DTIM3)
  • Built-in 1Mbyte SPI Flash

Wi-Fi features:

  • Support for 802.11 b/g/n/e/i
  • Support Station, SoftAP, SoftAP+STA mode
  • Support for Wi-Fi Direct (P2P)
  • Supports hardware acceleration of CCMP (CBC-MAC, counter mode), TKIP (MIC, RC4), WAPI (SMS4), WEP (RC4), CRC
  • P2P discovery, P2P GO mode/GC mode and P2P power management
  • WPA/PA2 PSK and WPS
  • 802.11 i security features: pre-authentication and TSN
  • Support for 802.11n (2.4 GHz)
  • 802.1h/RFC1042 frame packing
  • Seamless roaming support
  • Support AT remote upgrade and cloud OTA upgrade
  • Support for Smart Config (including Android and iOS devices)

Module peripherals:

  • 2xUART
  • 1xADC
  • 1xEn
  • 1x wake-up pin
  • 1xHSPI
  • 1xI2C
  • 1xI2S
  • Up to 10xGPIOs

Shipping list:

  • 10pcs wifi module (lot)


  • The module supply voltage is 3.3V DC and the current is 500mA or more;
  • Wi-Fi module IO maximum output current is 12mA;
  • Wi-Fi module NRST pin is active low; EN enable pin is active high;
  • The Wi-Fi module enters the upgrade mode: GPIO0 is at a low level, then the module is reset and powered on; the Wi-Fi module enters the normal working mode: GPIO0 is at a high level, and the module is reset and powered.
  • The RXD of the Wi-Fi module is connected to the TXD of the external MCU, and the TXD of the Wi-Fi module is connected to the RXD of the external MCU.
  • More documents can be downloaded at





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