RGB LED Strip

Fill your world with colours with EzloPi!

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The EzloPi smart devices provide automation through simple, customizable use with our open-source EzloPi platform, making daily life easier and improving human-machine interactions.

Before moving into this example, it is very important to know about the device registration, provisioning and converting the ESP32 device into an EzloPi device along with knowledge of Web Flasher, MiOS Mobile Application for Android/iOS and the MiOS Web Application.

1. About this example

The objective of this project is to create an efficient system for controlling a 12V RGB LED strip using three MOSFET trigger switch driver modules. By interfacing these modules with the EzloPi device, the project aims to provide dynamic and customizable RGB lighting effects for various applications, such as home decor, automotive lighting, or accent lighting, for which the RGB colours and the brightness can be controlled via the MiOS application.

2. Project Demonstration Video

Welcome to the project demonstration video section. The following video showcases the key aspects of RGB LED Strip, providing a visual walkthrough of its implementation.

3. Circuit Diagram & Interface

The following components are required for interfacing with the EzloPi device:

ESP32 as an EzloPi smart device.
MOSFET Trigger Switch Driver Module (5 to 36V DC).
RGB LED Strip 12V.

The wiring diagram of ESP32 30 pin is represented as follows:

The following connections are made in order to complete the entire circuit setup.

From ESP32 (30 pins) to the MOSFET Trigger Switch Driver Modules:

Connect the GND from the ESP32 to the GND of the all MOSFET trigger switch driver modules.
Connect the D21 pin from the ESP32 to the pin ‘TRIG/PWM’ of the 1st MOSFET trigger switch driver module.
Connect the D22 pin from the ESP32 to the pin ‘TRIG/PWM’ of the 2nd MOSFET trigger switch driver module.
Connect the D23 pin from the ESP32 to the pin ‘TRIG/PWM’ of the 3rd MOSFET trigger switch driver module.
Connect the negative (-ve) of 12V DC supply to the Vin- of all of the MOSFET trigger switch driver modules.
Connect the Green (G) pin from the RGB LED Strip to the OUT- of the 1st MOSFET trigger switch driver module.
Connect the Red (R) pin from the RGB LED Strip to the OUT- of the 2nd MOSFET trigger switch driver module.
Connect the Blue (B) pin from the RGB LED Strip to the OUT- of the 3rd MOSFET Trigger Switch Driver Module.

4. Interfacing the MOSFET Trigger Switch Driver Modules using EzloPi Web Flasher

1. Set up your device/hardware by visiting config.ezlopi.com

Now, click on the Connect Device button and a pop-up window will appear.

Now, select COM Port to which your ESP32 device is connected. In our case, the COM3 port is used.

Click Connect.

If you are new to this and it's your first time configuring, select Create new Device ID. Enter Wifi SSID and Wifi Password.

In the Device Configuration, tab click on Other.

An Other window will open for inputting the following parameters:

Set a Device Name of your choosing. In our case, we set it to RGB LED Strip.
Set Device Subtype to RGB LED.
Set the GPIO 1 to 21.
Set the GPIO 2 to 22.
Set the GPIO 3 to 23.
Now Click the Apply button.
After clicking the apply button you can see a table of your setting in the device configuration tab.
Press the Flash Device button.

A window will appear on the bottom right side of the screen displaying “Please press BOOT button while flashing begins.”

Hold the BOOT button down until the next window appears on the bottom right side of the screen which says “Installation prepared. Please release the boot button now.”

Release the BOOT button from your ESP32 when this pop-up on the bottom right window appears.

After some time, a popup will appear saying Device Flashed Successfully! This means that your device has been set up successfully.

5. MiOS App

You can download the MIOS Android app from the Google Play Store and Apple App Store.

After downloading the app, proceed to install the application and open it.

Using the MIOS mobile application, create a new Ezlo Cloud account using the sign-up option. If you already have an account, you may proceed to log in.

After successfully logging in, you will be able to see the number of controllers connected such as a lamp, fan, or any other device in the MiOS app. Tap on any controller of your desired ID:

You will be able to see the status of your controller whether it is online or offline. Access the device dashboard, and tap the device. The following view of the dashboard will appear:

After opening the MiOS mobile dashboard, you will be able to see the tile of your connected device. As can be seen above, the RGB LED strip tile is displayed for controlling the RGB colours of the LED strip.
The slider present on the tile can be used to control the brightness of the LED strip. On the right hand side of the slider button, a button is given through which we can choose the RGB colours of the RGB LED strip.

6. MiOS Web Application

After configuring the controller with the EzloPi web flasher, head to ezlogic.mios.com

Use the same credentials to log in that you used for configuring the controller with the web flasher.

After opening the MiOS web dashboard, you will be able to see the tile of your connected device. As can be seen above, the dimmer tile is displayed for controlling the brightness of the LED strip.
The slider present on the tile can be used to control the brightness of the LED strip. On the right hand side of the slider button, a button is given through which we can choose the RGB colours of the RGB LED strip.