ESP8266 ESP-01 WiFi 5V 2 Channel Relay Module Generic

SKU: 2520

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     The ESP8266 WiFi 5V 2 Channel Relay Module IOT Smart Home Remote Control Switch uses ESP-01 as the WiFi module and is compatible with 8 bit MCU chips. Only a simple configuration process can realize the wireless control of the 2 way relay by using the mobile phone APP in the lan. 


    • Onboard high performance microprocessor STM8S103 and ESP-01 WiFi modules.
    • The module has 2 operating modes of work:
    •  Mode 1: Mobile phone is directly mounted on WiFi module.
    •  Mode 2: Mobile phones and WiFi modules are equipped on routers simultaneously
    •  Additional function: It can also be used as USB relay when ESP-01 is pulled out.
    • Transmission distance: In an open environment, the maximum stable transmission distance is 100M when the mobile phone is mounted on the WiFi module.
    • When the WiFi module and mobile phone are carried on the router at the same time, the transmission distance depends on the signal strength of the router.
    • The use of Smartconfig technology in the mobile phone on the APP ESP-01 WiFi module to complete the account and password configuration, configured username and password memory function.
    • Onboard 5V, 10A//250V AC 10A//30V DC relay, which can be continuously pulled for 100 thousand times, has diode discharge protection, short response time.
    • Board mode selection and real time working status indicator.
    • Reserved UART debug interface and STM8 SWIM program download interface.


    • Transmission Distance(m) : 400

    • Relay Channel : 2

    • Trigger Voltage (VDC) : 5

    • Switching Voltage (VAC) : 250@10A

    • Switching Voltage (VDC) : 30@10A

    • Baud Rate : 9600

    • Dimensions : 59 X 40 X 20 mm

    • Weight : 60 gm

    Operating instructions:

    Prepare the following tools before use:

    • 5V/1A power adapter and APP “ESP Touch--Demo”
    • Step 1: The 5V/1A power adapter, the positive and negative poles of the power are connected to IN+ and IN- of the module respectively.
    • Step 2: Android mobile terminal installation APP''Esp Touch--Demo", for the first use of work mode 2 to ESP-01 module configuration WiFi account number and password.
    • Step 3: Android mobile terminal to install APP "Easy TCP--20", TCP transmission tool, used to send relay control instructions. Click on "SWITCH", and then enter the 2 relay control instructions and names and contents (instruction form HEX) by the gray blocks in the interface.

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