# ESP32 LED Brightness Control with OTA Firmware Updates This project implements an LED brightness control system on an ESP32 microcontroller using Pulse Width Modulation (PWM) and integrates Over-the ...

Testing the ESP32 PWM Signals. To test the ESP32 PWM signals, connect the LED and potentiometer as per the circuit diagram, and upload the code to your ESP32. Make sure you have the right board and ...

Built for CodTech’s IoT Internship 2025 – Task 1: Smart Light Control. ... A simple IoT project to control an LED using an ESP32 and the Blynk mobile app via Wi-Fi. Built for ... Smart-Light-Control/ ...

The ESP32 sends a response back to the client device, updating the web page with the current state of the LED lights. Circuit Diagram of ESP32 LED WebServer. Below is the circuit diagram to control an ...

Controlling LED Brightness using Arduino and Node.js Webserver. Similar to Blinking an LED with Node.js, this section will also have some parts i.e. Setting up Arduino UNO, Setting up Web Interface ...

ESP32 code uses multi-tasking of FreeRTOS. See Diagram file. After my first project with one Arduino controlling one LED garland, following by a second project multi-tasking with FreeRTOS on one ...

Fig. 8: Circuit diagram. In the circuit, we drive the base voltage of BD139 using ESP32 pin 21. Base voltage controls the flow of potential between collector and emitter of BD139. This is an ...

It uses an ESP32, a small speaker, and two red LEDs to alternate between sound signals and blinking lights. Control is achieved through code written in the Arduino IDE or MicroPython, utilising the ...