Relay Module 4 Channel WiFi Remote Control Development Board DC 7‑28V/DC 5V for ESP8266

Feature: 1. RELAY MODULE: An on board mature stable ESP‑12F WiFi module with 4M Byte Flash large capacity, which ensures high working efficiency as well. 2. SUPPORTING PROGRAM: Supporting for vasiour development tools, can also offer reference program under different development environment. 3. APPLICATION: Suitable for ESP8266 secondary development learning, smart home wireless control and intelligent control on other circumstances. 4. EASIER DEVELOPMENT: The I/O port of the WiFi module and the UART program download port are all led out to facilitate secondary development. 5. SIMPLE CONNECTION: There are normally closed ends, normally open ends and common terminal, adding more convenience to the connection. Specification: Item Type: Relay Module Material: Printed Circuit Board Working Voltage: Supports DC7-28V/DC 5V. Relay Module Specification: 5V/30A Function: Used to control the activation of the relay to achieve intelligent control. Applicable Scenarios: Suitable for ESP8266 secondary development learning, smart home wireless control and other occasions. Package List: 1 x Relay Module 2 x Pin Header 5 x Pin Seat Note: Do not use the product in an electrostatic environment, otherwise static electricity will damage the electronic components.