3.3V 1 Channel Low Level Module with Optocoupler Isolation WiFi Switch Module

Rs. 150.00 Rs. 98.00 SAVE 35%

Including GST (No Hidden Charges)

Add to Wishlist

Checkout securely with

Ask a Question
SKU: BE03133
Availability : In Stock Pre order Out of stock
Categories: ESP Wifi Modules Relay Modules
Description

The 3.3V 1-Channel Low Level Relay Module with Optocoupler Isolation is a compact and reliable WiFi switch control module designed for safe and stable switching of electrical loads using low-voltage logic signals. With optocoupler isolation, this module provides excellent electrical separation between the control circuit and the load side, making it ideal for IoT applications, smart home projects, and automation systems.

Operating on 3.3V logic, it is fully compatible with popular WiFi-enabled microcontrollers such as ESP8266, ESP32, and other 3.3V MCU platforms, allowing direct GPIO control without additional level shifting.


Applications

  • Smart home WiFi switches

  • ESP8266 / ESP32 automation projects

  • Remote control of lights, fans, and appliances

  • Home automation and IoT systems

  • Industrial signal isolation and control

  • DIY electronics and embedded systems


    Key Features

    • 3.3V Logic Compatible: Designed specifically for ESP8266, ESP32, and WiFi MCUs

    • Low Level Trigger: Relay activates when the control signal goes LOW

    • Optocoupler Isolation: Electrical isolation improves safety and noise immunity

    • Single Channel Relay Output: Reliable ON/OFF switching for external devices

    • WiFi Automation Ready: Ideal for smart switches and remote control projects

    • Compact PCB Design: Easy integration into control boxes and DIY enclosures

    • Stable & Durable Operation: Suitable for continuous and long-term use

      Technical Specifications

      Parameter Specification
      Control Voltage 3.3V
      Trigger Type Low level trigger
      Channels 1 Channel
      Isolation Type Optocoupler
      Output Type Relay switch
      Control Interface GPIO
      Application Type WiFi switch / automation module
      Mounting PCB / panel mount


      Package Includes

      • 1 × 3.3V 1-Channel Low Level Relay Module with Optocoupler Isolation


        ⚠️ Usage Note

        Ensure correct trigger logic (LOW level activation) when programming your controller. Optocoupler isolation enhances safety but proper wiring and load ratings must be followed.