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APP Remote Control Module, ESP8266 WiFi Relay 5V 400meter Transmission Distance  For Turn On PC For Garage Door For Smart Home Automation System

<ul><li>Onboard ESP8266 WIFI module, 5 clients can be connected at the same time in AP mode, and serial commands can be sent to the module through the mobile phone APP to realize wireless control of the relay in the local area </li><li>The module has two working methods, the mobile phone is directly mounted on the WIFI module; or the mobile phone and the WIFI module are both mounted on the router</li></ul>

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Specification: Item Type: WiFi Relay Module Board Size: Approx. 45 x 28mm / 1.8 x 1.1in Board Function Description: IN+, IN-: 5V power input TX, RX, GND: Serial port debugging pins Maximum Transmission Distance: Approx. 400meter / 1312.3ft 1. The Onboard ESP8266 WIFI Module Has Three Working Modes: STA client, AP hotspot, STA+AP client + hotspot according to the working mode of the module to select the working mode of the WIFI module accordingly. 2. The module needs to use the serial port debugging software and the USB to TTL module to send AT commands on the computer to configure the WIFI module. The RX, TX and GND pins of the USB to TTL module are connected to the TX, RX and GND pins on the module respectively. IN+, IN- connect to 5V power supply. 3. The default baud rate of the WIFI module is generally 115200 or 9600, which can be modified by sending AT commands, For Example: AT+CIOBAUD-115200. Under normal circumstances, it is recommended to use 115200, 115200 in the program, so pay attention to whether the baud rate of ESP8266 is the same. Working mode onethe phone is directly mounted on the WIFI module, open the serial port debugging software on the computer, and Send AT Commands to Configure the WIFI Module in the Following Order: 1. AT+CWMODE-2, select AP mode; 2. AT+, reset; 3. AT+CIPMUX-1, open multiple connections; 4. AT+CIPSERVER-1, 8080, enable TCP service, set the port number; 5. AT+CIFSR, check the IP address in AP mode, For Example: APIP, "192.168.4.1"; 6. Connect an for phone to the hotspot AP signal sent by the WIFI module; 7. After the connection is successful, open the mobile APP: "TCP connection" 8. Click on the connection, the connection is successful, edit the button, and enter the relay control instruction be sure to select hexadecimal Working mode twomobile phone and WIFI module are mounted on the router at the same time, open the serial port debugging software on the computer, and send AT commands to configure the WIFI module in the following order: 1. AT+CWMODE-1, select STA mode; 2. AT+, reset; 3. AT+CWJAP=&lt;ssid&gt;,&lt;password&gt;, connect the WIFI module to the router, For Example: AT+CWJAP="LCTECH","12345678"; 4. AT+CIPMUX-1, open multiple connections; 5. AT+CIPSERVER-1, 8080, enable TCP service, set the port number; 6. AT+CIFSR, check the IP address in STA mode, For Example: STAIP, "10.168.1.154"; 7. Connect the mobile phone to the router 8. Open the mobile APP: "TCP connection" Package List: 1 x WiFi Relay Module

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