Wireless Switch 3 Channels

About: someone who likes electronics

In my previous tutorial, I made a wireless switch using ESP8266. the article can be read here "How to Make WiFi Switch Using ESP8266".

In that article, I only made a one-channel wireless switch.

And in this article I will show you how to make a wireless switch that has more than one channel.

For example I will make a three channel wireless switch.

For the material used, it is still the same as the previous article. But it is necessary to add Resistors and LEDs to the switch indicator.

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Step 1: Required Component

The components you need for this tutorial:

Step 2: Assemble All Components

here I use 3 ports from esp8266.

that is :

D0 as Led 1

D1 as Led 2

D2 as Led 3.

for the one-channel and 3-channel schemes only differ in the number of LEDs used. so the picture above can already represent the scheme for a rank of 3 channels.

Step 3: Programming

the switch that I made can only be used on a local network. because I didn't involve the internet to make this switch.

I have provided a sketch that can be downloaded below

Step 4: Access Webpage

Here is how to operate this wireless switch:

After Sketch uploaded successfully

  • Open the Wifi menu on the android phone
  • Connect an android phone to SSID "NodeMCU"
  • Open Serial Monitor on Arduino
  • See the IP address displayed
  • Open the browser on an android phone
  • Enter the IP address on the monitor serial (192.168.4.1)

Then a web page will appear to control the LED

Step 5: Result

To turn on the LED, press the "on" button

To turn off the LED, press the "off" button

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