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ESP8266 WIFI 4 Channel Relay Module ESP-12F Development Board

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  This ESP8266 WIFI 4-Channel Relay Module is an ideal choice for home automation system. It supports WiFi connection, enabling you to control your appliances or devices remotely. It can be used to switch on/off lights, electrical appliances and other equipment with your phone or other devices anywhere and anytime. It supports status tracking, real-time device status provided to your App. It is easy to install and use and is compatible with Android and iOS systems.
  1>.Onboard mature and stable ESP-12F WIFI module, large capacity 4M BYTE FLASH;
  2>.The I/O port of the WIFI module and the UART program download port are all led out to facilitate secondary development;
  3>.Onboard AC-DC switching power supply module, power supply mode supports AC90-250V or DC7-30V/5v;
  4>.Onboard WIFI module RST reset button;
  5>.ESP-12F supports the use of development tools such as ECLIPSE/ARDUINO IDE, and provides ARDUINO Reference program in the development environment;
  6>.Output switch signal, suitable for controlling the working voltage of AC Load within 250V/DC 30V;
  7>.On-board power indicator, 1 programmable LED and relay indicator.

  1>.Work voltage: DC 5V/DC 7-30V/AC220V
  2>.Work Temperature:-25℃~85℃
  3>.Work Humidity:5%~95%RH

4.Burning port:
  1>.The GND, RX, TX, and 5V of ESP8266 are respectively connected to the GND, TX, RX, 5V, of the external TTL serial port module, IO0 needs to be connected to GND when downloading, and then disconnect the connection between IO0 and GND after downloading.

   1pcs ESP-12F 4 Channel Relay Development Board
   1pcs 28p single pin
   5pcs Short-circuit cap

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ESP8266 WIFI 4 Channel Relay Module ESP-12F Development Board