ESP-03 Wi-Fi Module

ESP-03 Wi-Fi Module
This is a highly integrated mini Wi-Fi module which provides complete networking solution to your project and help it connecting to internet of things.

SKU: CQY43800437655

Price: 3.32 $

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The ESP-03 wifi module provides efficient way for your electronic project to communicate with the internet. This small module can be used in implementing a network of sensors and in data transmission.


  • Protocol 802.11 b/g/n
  • WPA or WPA2 security
  • TCP/IP stack
  • LwIP Protocol
  • Supports Wi-Fi Direct


  • Voltage: 3.3 V
  • Current Consumption: 70 mA to 240 mA
  • UART communication: 115200 bps
  • Current Consumption in power down mode: <10 uA
  • Operating modes: AP, AP + STA or STA
  • Dimensions: 17.3 x 12.1 mm