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ESP-01 Wifi Module

ESP-01 Wifi Module

The ESP-01 wifi module allows microcontrollers to connect to a wifi network for IoT based applications. The ESP-01 uses the ESP8266 wifi microchip. It can be flashed using an Arduino or USB to TTL UART converter using the Arduino IDE.


  • Powered by: 3.3V to 3.3V pin
  • 4 Digital I/O pins
  • SPI, UART and I2C interface
  • PCB antenna


  • Flash Memory: 512 KB
  • RAM: 128 KB
  • Clock Speed: 80 MHz (default)
  • 802.11b/g/n HT40 Wi-Fi transceiver
  • Frequency Range: 2.4G ~ 2.5G
  • Standards: FCC/CE/TELEC/SRRC
  • Security Modes: WPA, WPA2
  • Encryption: WEP/TKIP/AES
  • Network Protocols: IPv4, TCP/UDP/HTTP/FTP

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  • Stock: In Stock - 38 pcs
  • Model: ESP-01
  • SKU: 0802028