Esp32 web server projects. We can also check the status of LED2.

Ensure the ESP32 is powered correctly, with stable voltage and current. During this chosen time, the LED will remain in a HIGH state. We will create a project in VS Code using ESP-IDF extension. ESP32 As WiFi and Web Server: ESP32, most used WiFi development board in handmade IoT projects,this is predecessor of ESP8266. The sliders control the duty cycle of different PWM channels to control the brightness of multiple LEDs. Whenever the ESP32 has new readings available, the web page is updated automatically without the need to manually refresh it. In this project you’ll create a web server with an ESP32 that controls outputs (two LEDs) from any device using WiFi. Following are detailed steps to use the API exposed by HTTP Server: httpd_start (): Creates an instance of HTTP server, allocate memory/resources for it depending upon the specified configuration and outputs a handle to the server instance. May 10, 2024 · Exploring this feature, you can create a Web Server and host web pages in ESP32, to be accessed by web clients (usually, web browsers in mobile phones or laptops). Other web server projects you may like: ESP32/ESP8266: Control Outputs with Web Server and a Physical Button Simultaneously; ESP32/ESP8266 Web Server: Control Outputs with Momentary Switch Enter the SSID and the password of your router in these two lines. The HTTPS server takes advantage of hook registration functions in the regular HTTP server to provide callback function for SSL session. This can be used to automatically display new sensor readings on the web server page when they are available. You can use similar boards, or you can use an ESP32 + LoRa chip + OLED separately. Following are detailed steps to use the API exposed by HTTP Server: httpd_start(): Creates an instance of HTTP server, allocate memory/resources for it depending upon the specified configuration and outputs a handle to the server instance. The web server you’ll create controls two LEDs linked to the ESP32 GPIO 26 and GPIO 27; you can access the ESP32 web server by typing the ESP32 IP address into a local network browser; you can alter the state of each LED by clicking the buttons on your web server. Then, upload the code to your ESP32 board. Komponen yang akan digunakan untuk merekam masukan yaitu sensor ultrasonik HC-SR04. Select Format as shown in figure below. This ESP32 project is particularly valuable ESP32 Camera, with its small size, wi-fi, high tech and low-cost capability promises to be an interesting new front-end image-capture capability for OpenCV web server applications. Drag the CircuitPython . In this project you’ll create a standalone web server with an ESP32 that controls outputs (two LEDs) using the Arduino IDE programming environment. 26 dual expansion points with GPIO, enabling holes for pin headers and castellated holes for surface mounting. Creating HTML files. The following diagram illustrate the project. 3V VCC. When you chose a color, your browser makes a request on a URL that contains the R, G, and B parameters of the selected color. Now open the Arduino IDE; the library for servos will be there. Mar 12, 2024 · In this tutorial we will create a web server for the DS18B20 temperature sensor using MicroPython firmware on ESP32 and ESP8266 boards. The ESP32 connects to Wi-Fi, and outputs the ESP IP address on the Serial Monitor. After that, we will see program our ESP32 board with the ultrasonic sensor to build our water monitor web server. In the Image URL field, enter your ESP32-CAM IP address. Now go to Tools--> Board--> ESP32 Dev module. Boards compatibility: this project requires Apr 30, 2024 · PROJECT OVERVIEW. Fig. The web server updates the readings automatically Mar 8, 2022 · To access the created web server we also need to assign a port and usually port 80 is used for local web server. Jul 8, 2022 · Stations can connect to the WiFi network that the ESP32 creates and access the web server. Jun 13, 2024 · This means that the ESP32 can do other tasks and still have the ability to handle the web server. Interface Arduino and ESP-32 using Python to create a web server and send real-time data from a LM335 temperature sensor to that web server. The web server is mobile responsive and can be accessed with any devices that is a Oct 19, 2018 · Save the code as Async_ESP32_Web_Server or download all the project files here. 3cm (0. The temperature data can also be obtained in the python IDLE in your computer. Add section on the ESP32 File Structure and where files live. The ESP32 will then use that value to adjust the duty cycle of a PWM signal, which is a digital signal that switches between high and low states at a certain frequency. Jun 16, 2024 · Adding ESP32-CAM to Home Assistant. To reduce the amount of code we need to write, we will use the ESP32 WiFi Library. Build ESP32 Email Alert Based on Sensors Reading. It will be a contactless water level measurement system. You will get a notification that the project has been created. Nov 10, 2023 · While HTML provides structure and CSS adds style, the integration of JavaScript introduces a dynamic dimension to your ESP32 web server. When any connected device accesses this web server, the ESP32 retrieves temperature, humidity, barometric pressure, and altitude data from the BME280 sensor and displays it on the device’s web browser with a user-friendly interface. We’ll show you how to create the web page step-by-step with HTML and send the form results to the ESP32 via HTTP POST to control the stepper motor. This is necessary because, in all the previous ESP32 web server projects, port number 80 was used. May 19, 2020 · 2. Let’s create a web server to control the position of the servo motor. Jan 14, 2024 · Project description. It is more difficult to add other tasks and still be able to handle the web server. py file is created. Specifically, we will be controlling an onboard LED using a slider, allowing us to select a specific number of seconds. You’ll learn how to add a slider to your web server projects, get its value and save it in a variable that the ESP32 can use. // Juan A. May 28, 2021 · This tutorial shows how to build an ESP32 web server that displays a web page with multiple sliders. Inside that folder, you should save the HTML, CSS, and JavaScript files. In this blog post, I will show you how to create a web server with an ESP32 board that allows you to control the brightness of an LED using a slider on a web page. 5. All our recent projects use the Asynchronous Web server Apr 16, 2019 · The ESP32/ESP8266 web server displays a color picker. Here’s how you can do the testing. This component is built on top of HTTP Server. Add relay control function to our requests. Apr 21, 2020 · The ESP32 or ESP8266 hosts a web server that allows you to control the state of an output; The current output state is displayed on the web server; The ESP is also connected to a physical pushbutton that controls the same output; If you change the output state using the physical puhsbutton, its current state is also updated on the web server Aug 9, 2018 · Enter the password you’ve defined earlier in the code. 3. We hope you’ve found this tutorial useful. Now go to Tools-->Port and select port to which your ESP32 is connected. May 29, 2021 · This device uses an ESP32 web server to track patient health using this monitoring system. You can have several ESP32 boards sending sensor readings via ESP-NOW to one ESP32 receiver that displays all readings on a web server. We will create a web page containing a slider to control the angle/position of the servo motor’s shaft. The web server is mobile responsive and can be accessed with any device that as a browser on the local network. Connect the ESP32 or ESP8266 board to your computer. In this example, we’ll get the time from the internet (NTP server), so the ESP32 needs to be connected to a Apr 1, 2023 · The objective of this project is to create a standalone web server with an ESP32 that controls outputs (LEDs). The library, along with several others, is packaged together with the ESP32 board files and are automatically installed when the ESP32 board files are installed on the Arduino IDE. You should be able to modify this project to use any other sensor. Instead of LEDs, you can use this project to control DC motors or other actuators that require a PWM signal. Use Wokwi for Visual Studio Code to simulate this project. ESP board will host the HTML and CSS file in the form of strings and responds to a web client request with these HTML and CSS. Jan 14, 2024 · The basic idea of this project is to use a slider on a web page to send an HTTP request to the ESP32 with a value between 0 and 255, representing the LED's desired brightness. Now click on upload to upload the code. Enter the password you’ve defined earlier in the code. 1. Feb 9, 2022 · In this IoT project, we will create a water level monitoring web server using an HC-SR04 Ultrasonic sensor and ESP32. The image above is the design of our project. Arduino Dec 18, 2019 · Hello, I’m new with ESP32, and want to ask is it possible to do this project like you did with “ESP32 Web Server using SPIFFS”. Jan 11, 2023 · For ESP-IDF target, choose ESP32 module. A new Terminal window should open on your project path. html and wifimanager. 25 stars 5 forks Branches Tags Activity Star Jan 14, 2024 · In this tutorial, you will learn how to implement a web server on the ESP32 microcontroller to control it wirelessly over Wi-Fi. Update ESP32 OTA (Over the Air). Insert the microSD card in your computer. File --> Preferences. We can find this library folder inside the Arduino installation folder. 26. You’ll be able to control the robot using a web server that displays a video streaming of what the robot “sees”. Oct 16, 2020 · In this tutorial you’ve learned how to use Server-Sent Events with the ESP32. The IP address of the ESP32 is printed to the serial monitor, and the web server is started using Sep 23, 2021 · 1) Creating a Project Folder. Type ESP-IDF: New Project in the search bar and press enter. 8. 4. Dec 16, 2022 · This Project is an ESP32 web server with the DHT11 or DHT22 sensor that displays temperature and humidity. At the same time, it is hosting a Web Application that will display in real-time if the RFID tag We have more than 160 ESP32 tutorials and project ideas and a Premium Course Learn ESP32 with Arduino IDE. 2. The Library Manager should open. PARTS REQUIRED. Instead of an LED . Project Materials. As mentioned before our project consists of two HTML files: index. List of ESP32 based IoT projects with detailed instruction code & circuit. We can also check the status of LED2. Open uPyCraft IDE, and go to Tools > Serial and select the serial port. May 24, 2024 · Type the password you’ve defined earlier in the code. In this tutorial, learn everything about how to setup a Web Server using ESP32. The HC-SR04 ultrasonic sensor uses sonar to determine the distance to an object. Build ESP32 + Arduino-based project. All documentation for HTTP Server applies also to a server you create this way. ESP32 Web Server – Arduino IDE. The readings are updated automatically using Server-Sent Events and the 3D representation is handled using a JavaScript library called three. AT+WEBSERVER=1,80,25. 2 Camera Web Server. The Role of JavaScript. Copy this folder to the Arduino library folder. Add the channel number and API (Write) Key. Now follow these steps: First, you need to upload the code given below to the ESP32 board and obtain the IP address of the ESP32 web server. Open your Home Assistant dashboard and go to the more Settings menu. We’ll use that value to control the duty cycle of a PWM signal and change the brightness of an LED. The values or input received from the webserver will be Sep 27, 2022 · ESP32 RFID Web Server – DESIGN. May 16, 2024 · The web server allows you to visualize the data saved on the file, download the data file to your computer, or delete the file from the microSD card. Open your web browser and type the IP address 192. Hence, patient health parameters such as body temperature, heart rate (BPM), blood oxygen levels (Sp02) as well as room temperature and humidity can be monitored from any device (like Smartphone, PC, Laptop, Smart TV,. This is a fun and easy project demonstrating how to use the ESP32’s PWM (Pulse Width Modulation) feature to vary the intensity of an LED. The HTML content (including HTML, CSS, and Javascript) for each page is kept separately in its own file on the Arduino IDE. 25: server port. 1inches), which is good for most hobbyist projects. Feb 24, 2024 · The basic idea of this project is to use a slider on a web page to send an HTTP request to the ESP32 with a value between 0 and 255, representing the LED's desired brightness. Create an Environmental Sensing service (UUID: 0x181A ). Later, you’ll add some CSS to style the web page to improve its look. 8inch to 157inch) with an accuracy of 0. This allows you use a the web server to switch the built-in LED from a web page. In the Extension, select ESP-IDF option: We will click the ‘sample_project’ under the get-started tab. Click ‘Choose Template’ button to proceed forward. Now we can use it with the ESP32. 3) Go to Terminal > New Terminal. The library contains functions that make setting up the ESP32 as a web server easy. Save the code as ESP_Chart_Web_Server or download all project files here. We can turn on/off LED2 (LED2 is a BUILT-IN LED in Board) through a web page. Building. Then, click the “ SAVE ” button and return to the main dashboard. The HTML content can be dynamically updated with real-time values Apr 1, 2024 · const char* ssid = "ESP32-WiFi"; /* Add your router's SSID */. Build an ESP32 Web Server. ) Change the name of this folder from ESP32-Arduino-Servo-Library-Master to ESP32_Arduino_Servo_Library. Open your VS Code and head over to View > Command Palette. 2) Open VS Code. We have the ESP32 microcontroller talking to an MFRC522 RFID reader to read the RFID tags/cards. With the project’s web interface, you can access and control the camera feed from any device connected to the network. In the other technique, the ESP32 is in a loop constantly checking if there is a new request from a client. ESP32-Web-Server. I want to create website more fascinating (graphs, panels, buttons, sliders – separated with TABS) and upload separately, in this case all your code is written in arduino ide, in this case it’s a bit confusing. Server-Sent Events allow a web page (client) to get updates from a server. Leveraging the ESP32's Wi-Fi capabilities and web server functionality, users can toggle LEDs from any device with a web browser. Through this page we can turn on-off an LED. BME280 sensor is widely used in electronic projects to measure ambient temperature, barometric pressure, and relative humidity where low power consumption is required. This is a This project uses the ESP32 as the control device, which easily connects to any existing WiFi network and creates a web server. The HTTP Server component provides an ability for running a lightweight web server on ESP32. Develop real practical projects. Then, it sends a PWM signal with the corresponding value to the GPIOs that are This is a didactic tutorial where you’ll learn more about creating web pages and interaction between the ESP32 and the client. Go to My Computer and right click on the SD card. begin (ssid, password); For complete project details (schematics + source code), visit https://randomnerdtutorials. The web server will act as a weather Jul 20, 2021 · Introducing the HC-SR04 Ultrasonic Sensor. Search for “ adafruit bme280 ” on the Search box and install the library. CONTINUE READING ». Aug 4, 2019 · To take readings from the BME280 sensor module we’ll use the Adafruit_BME280 library. In this tutorial, we will build an ESP32 web server using ESP-IDF that will display BME280 sensor readings. The HTML file to build the ESP32 web server will also be hosted on the microSD card. Apr 28, 2020 · You can apply what you learned in this tutorial to any web server built with the ESPAsyncWebServer library. 6. Select FAT32, press Start to initialize the formatting process and follow the onscreen instructions. ESP32 S2 download Arduino IDE preferences folder. I hope you’ll like it. This project uses FLOSS firmware from FOSSEE (Free/Libre and Open Source Software for Education). By following this tutorial, you will be able to turn your ESP32 into a web server with some cool features: Multiple web pages are active simultaneously. Follow the next steps to install the library in your Arduino IDE: Open your Arduino IDE and go to Sketch > Include Library > Manage Libraries. html. The ESP32-CAM will be programmed using Arduino IDE. Web socket protocol, like HTTP (hypertext transfer protocol), also works in server and client communication format. Oct 26, 2023 · Here are the steps to create an ESP32 BLE peripheral with an Environmental Sensing BLE service with temperature, humidity, and pressure, characteristics: Create a BLE device (server) with a name of your choice (we’ll call it ESP32_BME2820, but you can call it any other name). Acquiring Access to the Web Server. In this section, we will create a esp-idf project for esp32-cam live streaming over a webserver. With this project you’ll learn: How to read temperature and humidity from DHT Mar 23, 2020 · Pada project kali ini, kita akan bereksperimen untuk membangun web server menggunakan ESP32. BME280 temperature, humidity and pressure sensor. Connect the GND to GND. To achieve the target, we will be using an HTML (Hypertext Markup Language) form to provide web input and then update the text displayed on LCD. We'll also create a 3D representation of the sensor orientation on the web browser. Aug 21, 2020 · In this project, you’ll learn how to host an ESP32 web server and use ESP-NOW communication protocol at the same time. It highlights the ESP32's potential for IoT and home automation, showcasing its adaptability and convenience for controlling connected devices Overview. With this project you’ll learn: Update the sensor readings automatically Nov 1, 2018 · Preparing the Files. You need to do two tasks in this project: Configure ESP32 as an Access Point (AP) Configure ESP32 HTTP Server; Hardware Used. After inserting your network credentials, save the code. Build ESP32 + Databases to Control Anything Anywhere. To access the webserver, open your browser, paste the ESP32 IP address, and you’ll see the following page. Create a web server, port: 80, connection timeout: 25 s (default maximum is 60 s). In the setup section, serial communication is initially started. - Web Server in ESP32 with a web page. With this object, you can create a web page on Port 80. Jul 26, 2022 · First, download the CameraWebServer from here or by opening the example in Arduino or directly from your esp32 core installation with these steps: Retrieve the preferences path from your Arduino IDE. We’ll leverage the Thonny IDE for programming, and by the end of this guide, you will have a functioning weather station that displays real-time temperature readings on a web page. Feb 8, 2022 · Fig. Your ESP32/ESP8266 receives the request and splits the value for each color parameter. Dec 18, 2020 · Press the ESP32 EN button (reset). 1. Villalpando. The video streaming web server page should load: To connect to the access point on your computer, go to the Network and Internet Settings, select the “ESP32-Access-Point“ and insert the password. ESP32 HTTP Server Example ESP32 Async Web Server example: control 2 LEDs from a web page hosted on the ESP32 using the ESPAsyncWebServer . The web server we’ll build updates the readings automatically without the need to refresh the web page. Now click ‘Create project using template sample_project. By sending HTTP requests to the server, station devices can obtain the LED status and set LED states. After making necessary modifications, make the necessary connections as per the circuit diagram, connect the ESP32 Board to the computer, select the ESP32 Board and also the right COM Port and upload the code. Build IoT Smart Garden with ESP32 and Blynk. So the circuit digram for interfacing MAX30100, DHT11 & DS18B20 with ESP32 is given below. Although its not so new, the ESP32 popularity has began to grow because of its Bluetooth capabilities, but not only. Jul 1, 2022 · You will then configure a web server on ESP32 so that stations can make http requests to get information from it. This sensor reads from 2cm to 400cm (0. Open Configure UI: Add a new card to your Dashboard: Pick a card of the type Picture. 1) Create a folder on your computer where you want to save your Firebase project—for example, Firebase-Project. Set up your own camera system effortlessly and monitor any location in real-time. This project explores the creation of an ESP32-based web server that allows remote control of two LEDs via a web interface. In this tutorial, we will build an ESP32 web server using ESP-IDF. We have also created a tutorial on creating a simple web server with ESP32. Inside that folder you should save the HTML and CSS files. The HTTP Server component provides an ability for running a lightweight web server on ESP32-S3. void loop(){ } Uploading Code and Files. In this article, we will be using the hardware listed in the We’ve created the “Build Web Servers with ESP32 and ESP8266” eBook to provide an easy way to get started with HTML, CSS and JavaScript. js. A Wi-Fi client is created to connect with ThingSpeak. ESP32 Station of Router. Feb 2, 2021 · Features: Wireless Tag WT32-S1 based on ESP32 dual-core wireless System on Chip (WiSoC) with 4MB flash, onboard antenna for Wi-Fi and Bluetooth connectivity. In addition, this particular module comes with ultrasonic transmitter and receiver Jul 19, 2019 · Because this is an asynchronous web server we don’t need to write anything in the loop(). 168. Overview. Check the status of the LED. begin () function. const char* password = "12345678"; /*Add the password */. Umumnya, sensor ini… Nov 20, 2019 · TTGO LoRa32 SX1276 OLED board (2x): this is an ESP32 development board with a LoRa chip and a built-in OLED. Jul 19, 2023 · In this guide, you’ll learn how to create a WebSocket server with the ESP32 to display sensor readings on a web page. ’. Download the latest release version of CircuitPython for this board. To learn more about building web servers with the ESP32 from scratch, check out our eBook: Build Web Apr 2, 2023 · In the setup () function, the ESP32 connects to the Wi-Fi network using WiFi. A new window pops up. Set a web page in Web Server. It also controls an LED (Light Emitting Diode) and an Active buzzer. First, we will learn to interface HC-SR04 with ESP32. Build ESP32 + Telegram to Get Real-time notifications. Copy to clipboard. In this tutorial, we will see how to create a web server using ESP32 and ESP8266 boards to control outputs with a timer. We hope you liked this project. The ESP32 is a powerful microcontroller that offers built-in Wi-Fi capabilities, making it an ideal choice for projects that require Jun 24, 2021 · Build a Wi-Fi remote controlled car robot with the ESP32-CAM. Install Web Server in ESP32, port 80. This project combines the ESP32 board with a camera module to stream high-quality video over a local network. Learn more about the ESP32-CAM with our tutorials: ESP32-CAM Projects and Tutorials Oct 19, 2022 · ESP32 BME280 Web Server ESP-IDF. Jan 24, 2019 · Open your Arduino IDE and copy this code to your IDE window but make sure that you provide correct WiFi credentials of your network. ESP32 web server example: control 2 LEDs from a web page hosted on the ESP32. In this tutorial, we will learn how to update LCD display with new data or input using a web server created with ESP32. In this article, we will explore the process of setting up an ESP32-based web server using the popular Arduino IDE, accompanied by practical examples to illustrate the key concepts. WebServer server (80); This command defines an object called the server from the webserver class. Learn more about the ESP32-CAM. Departments:Electrical EngineeringElectronics EngineeringMicrocontrollers:ESP32Codings:Arduino CSoftwares:Arduino IDE Abstract: This paper is written to represent a web-server based real-time weather monitoring system implemented using the ESP32 module. Jan 8, 2023 · Create ESP32-CAM Live Streaming Web Server Project in ESP-IDF. 3V Power Supply. Insert the password you’ve defined earlier. In this section, we explore the power of JavaScript in fetching real-time data and updating the HTML content, enabling a responsive and interactive user experience. Go to File > Open Folder… and select the folder you’ve just created. Jun 11, 2024 · This tutorial shows how to build an ESP32 web server with a slider to control the LED brightness. Additionally, you need to change the port number to any number other than 80. By going through this project, you will learn: Build a web server to control LEDs (view, turn on, off) remotely through a local WiFi May 29, 2023 · Now let us begin with the designing of IoT Based Patient Health Monitoring on ESP32 Web Server. from here, go to. You’ll learn about web programming and client-server communication protocols. We have a similar tutorial but using the BME680 environmental sensor. Go to Sketch > Show Sketch Folder, and create a folder called data. By the end of this guide, you will have a solid understanding of how to harness the power of the ESP32 microcontroller to create your own web server. ESP32 and servo motor. Project Objectives. This innovative project … Mar 21, 2022 · Project Overview. Sep 1, 2022 · September 1, 2022. This eBook allows you to build complex projects with real world applications. Mar 6, 2024 · In this project, you’ll learn how to build an asynchronous ESP32 web server with the DHT11 or DHT22 that displays temperature and humidity using Arduino IDE. uf2 file onto FTHRS2BOOT drive ( more info here) After a moment CIRCUITPY drive will show up. Make sure you have the right board and COM port selected. After starting the web sever according to the above commands, you can turn on the Wi-Fi connection function on your STA device, and connect it to the softAP of the ESP32: Connection to the ESP32 AP. For this tutorial you’ll need the following Apr 2, 2024 · Let us test the working of the project. 27: Timer variables. Using the next quick links, you’ll find all our ESP32 Guides with easy to follow step-by-step instructions, circuit schematics, source code, images and videos. In the process, learn how to create a simple web page to be hosted by ESP32 to control two LEDs. So connect their VCC to 3. ESP32 is ESP8266 Wifi module successor with IoT Application for Sensor IoT Server. Command. Jan 21, 2021 · In this project we'll build a web server with the ESP32 to display readings from the MPU-6050 accelerometer and gyroscope sensor. By default, when you burn MicroPython firmware, a boot. Jun 11, 2022 · The web server built by ESP32 plays the following roles: Enter the IP address of the ESP32 in the browser to access the ESP32 web server; Click the button on the web browser to change the On/Off of the LED light; The web server controls the two LEDs by GPIO26 and GPIO27 connected to the ESP32; 2. The web server will be able to control the onboard LED of ESP32 connected with GPIO2. com/esp32-web-server-arduino-ide/In this project you’ll create Feb 25, 2021 · 1. Global declaration of timer variables. Web-Server Based Weather Monitoring System Using ESP32. Testing the ESP32 Webserver Home Automation project involves verifying that the ESP32 correctly interprets HTTP requests from the web interface and controls the connected devices as expected. The web server page should load: To connect to the access point on your computer, go to the Network and Internet Settings and select the “ ESP32-Access-Point “. Creating a web server to control servo motor with ESP32. May 21, 2024 · In this project, you’ll learn how to build an asynchronous ESP32 web server with the DHT11 or DHT22 that displays temperature and humidity using Arduino IDE. WiFi. Copy that IP address, because you need it to access the ESP32 web server. You can control your robot remotely even if it’s out of your sight. Add section on JSON files and Arduino JSON to store data related to WiFi settings and the state of each individual relay. Inside that folder you should save the HTML file created previously. Similarly, it will receive HTTP requests from a Dec 7, 2021 · A Web Socket is a full-duplex (both the server and the client can send and receive data at the same time) computer communication protocol. You should see the files on the ESP32/ESP8266 board on the device folder. A web socket uses a process known as handshaking to establish communication between the Mar 10, 2022 · Double-click the Feather board reset button to get to bring up the bootloader FTHRS2BOOT drive in your computer File Explorer/Finder. Feb 3, 2024 · Previous Next. 4. I2C, SPI, dual UART, EN, LINK, and 5/3v power. All the sensor can work at 3. Add section on AJAX requests and Websockets in place of straight GET requests. One will be responsible for building the ESP32 web server that controls the onboard LED and thr other will be responsible for building the W-Fi manager web page. gu zn wy sj uk vx zw cw ce gd