Nodemcu ultrasonic sensor May 8, 2020 · NodeMCU ESP8266 Monitoring DHT11/DHT22 Temperature and Humidity with Local Web Server IoT Web Controlled Smart Notice Board using NodeMCU ESP8266 ESP8266 Plot Sensor readings to Webserver in Real-Time Chart We’ll display distance in cm, from the HC-SR04 Ultrasonic sensor on a chart. See the schematic, code, and examples of how to measure the distance to an object with the sensor. It lists the components needed, including a NodeMCU, ultrasonic sensor, buzzer, LED, and wires. This project is perfect for beginners and hobbyists exploring practical electronics with visual output. But in this case, JSN-SR04T Waterproof Ultrasonic Sensor is a better choice. Mar 6, 2021 · In this tutorial we build a Ultrasonic sensor to measure Object distance using NodeMCU ESP8266 12E dev Board. Dec 7, 2015 · Wiring ESP8266 nodeMCU with HCSR04 Ultrasonic Sensor In this illustration we will going to wire the ESP8266 12E nodeMCU with Ultrasonic Raging Sensor HCSR04. this is an efficient manner to measure small distances exactly. Mainly for two reasons. HC-SR04 Ultrasonic Sensor with ESP8266 and 16x2 LCD 💡 This project demonstrates how to interface the HC-SR04 ultrasonic sensor with an ESP8266 (NodeMCU) to measure distance and display it on a Jan 30, 2025 · In this article we will learn how to implement Ultrasonic Sensor with NodeMCU ESP8266. It provides details on connecting the components and includes code to read the ultrasonic sensor distance and control the LED based on that distance Mar 6, 2020 · I wish to interface an ultrasonic sensor with 5V operating voltage to a NodeMCU 0. Ultrasonic sensors are first rate gear to degree distance without real touch and used at several places like water degree measurement, distance dimension etc. In the first part we see how ultrasonic works. Learn how to display distance from ultrasonic sensor on OLED using ESP8266. Please note that if you want to access the web page outside of your home network, you need to configure the port forwarding on your router. Tujuannya adalah agar dapat Hi, Electronics Learners! Welcome to #LearnElcronics. Jun 28, 2025 · The main controller used in this project is NodeMCU ESP8266 WiFi Module. 0 cloud platform through which we can monitor water level of May 10, 2020 · This is an IoT Based Flood Monitoring System Using NodeMCU, Ultrasonic HC-SR04 Sensor to sense the data & upload it to the Thingspeak IoT Cloud Platform. The purpose of the circuit is to collect environmental data and measure Learn how to use ultrasonic sensor to control relay, ultrasonic sensor triggers light. For detecting the Water level of the tank, we can use Ultrasonic Sensor HC-SR04. Aug 16, 2025 · ultrasonic sensor nodemcu time：2025-08-16 03:37:14 Click： 0 Measuring the Unseen: Your Ultimate Guide to NodeMCU and Ultrasonic Sensors Imagine technology that allows your projects to “see” without cameras, detecting obstacles, measuring precise distances, or even gauging fluid levels – all through sound waves beyond human hearing. This project features a NodeMCU ESP8266 microcontroller interfaced with a DHT-22 temperature and humidity sensor and an HC-SR04 ultrasonic distance sensor. Ultrasonic Sensor Interfacing With Nodemcu Th͏i͏s ͏i͏s ͏a ͏s͏i͏m͏p͏l͏e ͏t͏u͏t͏o͏r͏i͏a͏l ͏o͏n ͏i͏n͏t͏e͏r͏f͏a͏c͏i͏n͏g ͏u͏l͏t͏r͏a͏s͏o͏n͏i͏c ͏s͏e͏n͏s͏o͏r ͏w͏i͏t͏h ͏n͏o͏d͏e͏m͏c͏u ͏w͏i͏f͏i ͏m͏o͏d͏u͏l͏e ͏a͏n͏d ͏m͏e͏a͏s͏u͏r͏e ͏d͏i͏s͏t͏a͏n͏c͏e. And also how to measure the distance using HC-SR04. The second part extends the theoretical part with two practical examples how to use the ultrasonic sensor. com. Ultrasonic Sensor Controlled Servo in NodeMCU: Hi, I'm Sridhar Janardhan today I am teaching about how to interface ultrasonic sensor and control the servo motor based on the values thrown by the ultrasonic sensor. Welcome to our NodeMCU Ultrasonic Sensor Tutorial! In this step-by-step guide, we'll show you how to set up and use an Ultrasonic Sensor with a NodeMCU development board. Jun 4, 2020 · This ESP8266 based IoT smart Jar allows us to keep track of the stocks, and it is easily accessible from using the internet. It allows you to write and upload programs using MicroPython or the Arduino IDE. This ibles are for the node MCU beginners and I expect the peeps to stay patient t… Interfacing of Ultrasonic Sensor (HC-SR04) with ESP32 NodeMCU In this project, you'll be learning to interface HC-SR04 Ultrasonic sensor with ESP32 NodeMCU board. Learn how to use ESP8266 to read distance from sensor and display the distance on LCD, how to combine ultrasonic sensor code and lcd code, how to program ESP8266 step by step. #things speak cloud #embedded with IoT #u Oct 3, 2024 · A02YYUW Waterproof Ultrasonic Sensor with Arduino, ESP32, & ESP8266- today we are going to use A02YYUW Waterproof Ultrasonic Sensor with Arduino, ESP32 WiFi + Bluetooth Module, and the Nodemcu ESP8266 WiFi module. Mar 3, 2025 · In this tutorial, we’ll show you how to create your own IoT water level indicator using NodeMCU and the HC-SR04 ultrasonic sensor. Learn how to use ultrasonic sensor to control servo motor. Do you know, How to get a mobile notification using NodeMCu & Ultrasonic Sensor?In this video, You'll l Follow Me Robot Using NodeMCU: It is very Simple Follow Me Robot using NodeMCU. Before building the circuit let me explain what is a HC-SR04 sensor?? As the name indicates, ultrasonic sensors measure distance by using ultrasonic waves Connect the TRIG and ECHO pins of the ultrasonic sensor with the digital-5 and digital-6 pins of the nodemcu as shown above in the diagram. It uses NodeMCU HC SR04 Distance Sensor to sense the nearby object/ human. P Requirements:- NodeMCU ESP8266 development board HCSR04 ultrasonic sensor Breadboard Single channel relay board (to control water pump) LM7805 +5V voltage regulator IC. Ultrasonic sensor which is used in the project is the most popular one among the diy circuit community, the hcsr04… There is a wide variety of sensors, modules, and peripherals compatible with the ESP8266 NodeMCU boards. Jul 17, 2020 · Pada tutorial kali ini kita akan mengukur jarak menggunakan sensor jarak atau lebih dikenal dengan HC SR04, tentu masih menggunakan nodemcu sebagai microcontrollernya. In this Instructable we will learn about HC-SR04 widely known as Ultrasonic Sensor, how it works and how to interface with the NodeMCU. Get the distance to an object and display it on an OLED display. By Sounak De. Feb 28, 2024 · Learn how to integrate HC-SR04 Ultrasonic Sensor with ESP8266 NodeMCU in Arduino IDE. Jan 2, 2024 · This guide shows how to use the HC-SR04 Ultrasonic Sensor with the ESP8266 NodeMCU board using the Arduino core. Find this and other ESP8266 tutorials on Oct 17, 2025 · 1. สอนใช้งาน NodeMCU ESP8266 วัดระยะทางด้วย เซ็นเซอร์วัดระยะทาง Ultrasonic Module HC-SR04บทความนี้จะสอนใช้งาน NodeMCU ESP8266 เชื่อมต่อ Sensor วัดระยะทาง Mar 22, 2023 · Learn how to use HC-SR04 Ultrasonic Sensor with the ESP8266 NodeMCU using the Arduino core. Have you ever wondered how to make use of an Ultrasonic Sensor, LDR Sensor or LED? Then this guide is made especially with you in mind! By James Peter Perrone Jefferies. By the end, you’ll have a compact and functional system ideal for various applications like water Distance measurement example for ESP8266 / NodeMCU using HC-SR04 ultrasonic sensor This example shows how to interface HC-SR04 ultrasonic sensor to ESP8266 with NodeMCU firmware (2015-01-27 or later, since it uses floating point). The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with ESP8266. Apr 10, 2019 · This is a simple tutorial on interfacing ultrasonic sensor with nodemcu WiFi module and measure distance. When it detects the Object/ Human it will start follow. Is this true or is the NodeMCU 5v compatible? Explore comprehensive documentation for the ESP8266-Controlled Load Cell and Ultrasonic Sensor System project, including components, wiring, and code. The ultrasonic sensor uses sonar to determine the distance to an object. And Nov 1, 2024 · Ultra Sonic Sensor (HC-SR04) for distance measurement with NodeMCU Ever noticed your car informing about possible collision!!! How does a di Mar 9, 2021 · Today we are going to talk about how to make a water level indicator using Nodemcu and the ultrasonic sensor. Oct 6, 2020 · Interfacing Ultrasonic Sensor with NodeMCU As we are not using many components, the IoT water level indicator circuit diagram used in this project is fairly simple. Recently i made an internet of things project which involves an ultrasonic sensor and nodemcu WiFi module in it. Explore comprehensive documentation for the NodeMCU ESP8266 with DHT-22 and HC-SR04 Ultrasonic Sensor Monitoring System project, including components, wiring, and code. . HC-SR04 Ultrasonic Sensor Introduction To interface the HC-SR04 ultrasonic sensor with ESP8266 NodeMCU, we should know the functionality of each pin of the ultrasonic sensor. As we all know Flood is one of the major well Known This is IOT with Blynk App and NodeMCU step by step. Dec 11, 2016 · Demonstration test on Ultrasonic Distance Sensor HC-SR04 with NodeMCU, Parking Car sensor Aliexpress:more In this tutorial we build a Ultrasonic sensor to measure Object distance using NodeMCU ESP8266 12E dev Board. If your are new to Internet of Things (IoT), learn about IoT by visiting our Internet of Things tutorial for beginners. In this project, it serves as the main controller that: a) Sends the Trigger signal to the ultrasonic sensor. The Jar includes an ultrasonic sensor at the top of it and uses the ultra-sonic reflected waves to figure out at what extent the Jar is filled and how much space is left inside the jar. Now connect the USB cable to the nodemcu so that the ultrasonic sensor starts working and you can see the values on the serial monitor screen. Learn how to use ultrasonic sensor HC-SR04 with ESP8266, how ultrasonic sensor works, how to connect ultrasonic sensor to ESP8266, how to code for ultrasonic sensor, how to program ESP8266 step by step. It runs on 3. Nov 25, 2022 · In this project, we are making a scale or short-range sensing device using Nodemcu and an ultrasonic sensor. Circuit diagramComponents requiredNodeMCU ESP826612E Ultrasonic Distance Sensor HC-SR04Jumper wiresHC-SR04This is the HC-SR04 ultrasonic distance sensor. How to Monitor Ultrasonic Distance With ESP8266 and AskSensors IoT Cloud: This instructable presents how to monitor the distance from an object using ultrasonic HC-SR04 sensor and ESP8266 node MCU connected to the AskSensors IoT cloud. b) Reads the Echo signal and calculates the distance. Tujuan dari tutorial ini adalah untuk mengetahui bagaimana mengukur jarak benda dari 2 cm — 4m dengan Learn how to use ultrasonic sensor to control piezo buzzer. Apr 5, 2023 · In this ESP8266 IoT project, I have explained how to make a simple IoT-based water level monitoring system using an ultrasonic sensor, ESP8266, and the Blynk IoT platform. 1v. As you can see the illustration below the sensor trigger pin is connected to D1 which is pin 5 in Arduino Board, and the ECHO is connected to D2 which is pin 4 in Arduino Board. This IoT water level indicator allows you to view the water level from anywhere using the Blynk platform, offering a convenient solution for automated water management. I read somewhere that i need to make a voltage divider so that the sensor doesn't give 5V directly to the controller. Full guide with picture from hooking up things to coding NodeMCU. Get Started with Ultrasonic Sensors and Arduino: Step-by-Step Wiring & Code Guide Understanding UART in STM32 | What is UART and How It Works (Bare Metal Programming Series) Mar 7, 2024 · ESP8266 NodeMCU - Ultrasonic Sensor to measure the distance from the ultrasonic sensor to the water surfaces, then infer the water level ESP8266 NodeMCU - Web Server to print out the measured value to the web. This tutorial shows how to interface HC-SR04 ultrasonic sensors with ESP32 and ESP8266 NodeMCU for contactless distance measurement using MicroPython. Dec 8, 2019 · Pada tutorial kali akan dibahas penggunaan sensor ultrasonik (HCSR04) dengan nodeMCu. HC-SR04 or in other words distance sensor is the component that plays main role in our project. Learn how to use ultrasonic sensor to control LED. By knowing the functionality of input and output pins, we will be able to identify which GPIO pins of ESP8266 NodeMCU should be used to interface with HC-SR04. By Ramesh. For the LOW water level, the pump Check your water level through this Blynk water level indicator project. Table of Contents Functionality of an Ultrasonic Today in this project we are going to make IoT Based Flood Monitoring System Using NodeMCU, Ultrasonic HC-SR04 Sensor & Thingspeak IoT Platform. First, we will learn to interface HC-SR04 with ESP32 and ESP8266 NodeMCU. Oct 26, 2021 · You will learn how to interface Ultrasonic Sensor HC-SR04 with NodeMCU just to make an alarm system using a buzzer. For detailed overview Aug 19, 2021 · Learn how to use the HC-SR04 Ultrasonic Sensor with ESP32 and ESP8266 NodeMCU to get the distance to an object using MicroPython firmware. Here I have explained how to interface SH-SR04 Ultrasonic Sensor with Blynk app by using NodeMCU board. Hi friends, in this video I made a water level monitoring system using nodemcu/esp8266, ultrasonic sensor and connected with blynk 2. ESP8266 NodeMCU Board The NodeMCU is a microcontroller board based on the ESP8266 Wi-Fi module. In this IoT internet of things project, I have explained how to make an IoT based water level indicator project using NodeMCU ESP8266 Blynk and ultrasonic sensor. This article is a compilation of 25 free guides for ESP8266 sensors and modules. Jun 20, 2017 · Interfacing ultrasonic sensor with NodeMCU and displaying the distance in the Blynk app. US-100 is the perfect ultrasonic distance sensor for all ESP8266 modules. Ultrasonic Sensor with ESP8266 NodeMCU and MQTT This setup shows how to set up ESP8266 with Ultrasonic Sensor HC-SR04 and MQTT, for example for monitoring the water level of a cistern. This document describes how to connect an ultrasonic sensor to a NodeMCU to detect distance and trigger an LED or buzzer based on the sensor readings. Learn how to use the HC-SR04 ultrasonic sensor with the ESP8266 NodeMCU board using the Arduino core. 3V and it can feed you measurement readings via UART or Serial communication. This isn’t science fiction; it’s the practical Nov 27, 2024 · In this tutorial, we’ll guide you step-by-step on how to create a distance measurement system using an ESP32 NodeMCU, a waterproof ultrasonic sensor, and a 16×2 LCD with an I2C interface. on this assignment we've got used an Ultrasonic Sensor to determine the space Ultrasonic Sensor Tutorial for Arduino, ESP8266 and ESP32 In this tutorial you learn how to use the ultrasonic distance sensor HC-SR04. Battery (9V-12V). This circuit integrates an ESP8266 NodeMCU with an HX711 bridge sensor interface and a load cell to measure weight, as well as an HC-SR04 ultrasonic sensor for distance measurement. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to Mar 29, 2021 · This article serves as an introduction to ultrasonic sensors and explains how you can get them up and running in no time using an ESP8266 development board. WiFi Router (to connect NodeMCU to internet) Firebase (to create a database) MIT app inventor 2 (to create Android application) So let's get started. Internet of Things implementation using Nodemcu (Esp8266), Lab 6, that enables students to HC-SR04 Ultrasonic sonar Sensor with Nodemcu. Find this and other ESP8266 tutorials on Newbiely. Abstract - This paper describes to layout and build a manually controlled surveillance system. Step-by-step tutorial for beginners. nwze irccvy aeftb eknhsu bre tyzi ufsl acpu ikcrwrk ocxydsgd cyxhcgbn ppi eiyx ytqjruv stlwi