ESP8266 Wi-Fi Development Board (CH340G)

Original price was: $4.00.Current price is: $2.75.

  • Perfect for home automation
  • Can be used with many sensors
  • ESPHome compatible
  • 1 Analog Input
  • 11 GPIO Pins

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This ESP8266-powered Wifi board is perfect for a wide array of home automation applications. The built-in microUSB port is perfect for easily flashing and configuring of the board with ESPHome or Tasmota. Combined with other sensors (such as the BMP280 Temperature and Pressure sensor or HC-SR044 Distance sensor), this chip can be used to affordably pipe all sorts of information into Home Assistant. It can also be used to reliably control relay boards.

  • Uses the more reliable CH340G chipset
  • Has built-in USB-TTL serial for easy firmware flashing
  • Can connect to your existing network and/or act as an access point
  • 3.3V operating voltage, internal voltage regulator allows 5V on power input
  • Antenna type: Built-in PCB antenna
  • One Analog DC Input (AD0)
  • D0 ~ D8, SD1 ~ SD3: used as GPIO, PWM, IIC, etc., port driver capability 15mA
  • Power input: 4.5V – 9V, USB-powered
  • Current: continuous transmission: 70mA (200mA MAX), Standby: <200uA
  • Logical current: 0mA-36mA
  • Transfer rate: 110-460800bps
  • Working temperature: -40°F – 257°F
  • Flash size: 4 MB
Weight 0.4 oz
Dimensions 4.25 × 2.25 × 0.625 in



2.4 GHz


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