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ESP8266 ESP-01 Wi-Fi Module


ESP8266 ESP-01 Wi-Fi Module for IOT Arduino NodeMCU ESP01.

250

Product description:

 

The ESP8266 Serial-to-WiFi adapter created by Espress if has seen a wide adoption as a cost-effective solution for IoT and WiFi-capable devices. This tiny-sized System On a Chip (SoC) includes an 80 MHz microcontroller with a full WiFi front-end (both as client and access point) as well as a full TCP/IP stack with DNS. Because the ESP8266 comes only in a Surface-Mount package, a few different vendors have developed modules labeled ESP-NN where NN are numbers ranging from 01 to 13 (at the time of this writing).

Although most ESP-NN modules are intended to be mounted on a PCB via castellated pins, the ESP-01 includes a set of 0.1in-spaced female pins that can be used to easily connect it to a solderless breadboard! Please note that because the ESP8266 doesn’t have a native USB interface, all ESP-NN modules need an external USB to Serial adapter (e.g., FTDI FT232 USB to Serial UART adapter) to receive data from a computer’s USB connection.

Features:

  • 6 GPIO (save for D0, every GPIO can be PWM, I2C (software), 1-wire)
  • ESP-01 Wi-Fi module containing the ESP8266 IC
  • PCB-mounted antenna
  • Integrated TCP/IP protocol stack
  • 8-pin female header socket

 

Specifications:

  • Supported protocols: 802.11 b/g/n
  • Serial/UART baud rate: 115200bps
  • Input voltage: 3.3V
  • Max I/O voltage: 3.6V
  • Regular operation current draw: ~70mA
  • Current draw (peak): ~300mA
  • Power-down leakage current: <10µA
  • Output power: +19.5dBm (802.11b)
  • Flash Memory Size: 1MB (8Mbit)
  • WiFi security modes: WPA, WPA2
  • Module’s dimensions: 24.75mm x 14.5mm (0.974″ x 0.571″)

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