ultrasonic sensor
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Arduino Obstacle-Avoiding Robot Rebuilt 7 Times Larger A Youtube channel named UncleStem has taken DIY robotics to a completely new level by building a giant obstacle-avoiding robot powered by a fully functional oversized Arduino Uno. The project recreates a classic Arduino obstacle avoidance robot at seven times the original size while still maintaining real working electronics inside. From giant DC motors and oversized jumper wires to a massive… |
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This Drone Can ‘See’ in Total Darkness Without a Camera Researchers have developed a small autonomous drone inspired by how bats navigate in the dark. Instead of relying on cameras or LiDAR, which often fail in fog, smoke, or low light, this drone uses ultrasound-based echolocation. It sends out tiny sound pulses and listens to the echoes that bounce back from nearby objects. By analyzing these echoes, the drone can estimate the distance and… |
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How to Send Email Notifications from ESP32 using CircuitDigest Cloud In this tutorial, we will learn how to send an email from your ESP32 microcontroller. This feature allows important details such as sensor data, time of occurrence, images, and system status to be sent through email in a clear and reliable format. It is especially useful for event-based alerts, maintaining records, and monitoring systems over a long period. By… |
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How to Send WhatsApp Messages from Arduino Uno R4 Wifi Board In this tutorial, you will learn how to send WhatsApp messages from Arduino UNO R4 WiFi using the CircuitDigest Cloud Whastapp API. Instead of using a GSM module, SIM card, or complex WhatsApp Business API setup, this method allows your Arduino to send alerts over WiFi using a simple HTTPS request. This makes it much easier and more cost-effective to add real-time… |
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Smart Home Automation By Ashish Spolia The rapid evolution of the Internet of Things (IoT) has transformed the modern household from a passive living space into an intelligent, responsive ecosystem. As safety concerns and the demand for convenience grow, there is a critical need for integrated systems that can monitor environmental hazards, provide robust… |
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Send SMS Alert Using Seeed Studio Xiao ESP32 The Smart SMS Alert System using Seeed Studio Xiao ESP32 is one of the compact IoT projects that uses an HC-SR04 ultrasonic sensor to detect nearby movement. The system acts like a motion detector whenever something moves close to the sensor and crosses the set threshold. The ESP32 Seeed Studio module instantly triggers an SMS alert. The ESP32 can send real-time SMS… |
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Open-Source ESP32 Hexapod Robot That Sees, Talks, and Fights Educational robotics company Hiwonder has released miniHexa, an AI hexapod robot based on an ESP32 with Arduino programming support. Its physical prowess comes from its 18 individual servo motors that enable realistic hexapod locomotion and complex maneuvers. It can strafe in any direction without needing to turn around through the use of inverse kinematics algorithms. The bot can be… |
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DIY Automatic Desk Dustbin with Iris Lid A DIY The Wrench maker has built a smart desk dustbin with an automatic iris-style lid, adding both functionality and a unique touch to a workspace. After some adjustments, the final design was printed successfully using a 3D printer using a design made in Fusion 360. Different filament colors were used to make the dustbin visually appealing. The smart feature of the dustbin is… |
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How to build Blind Stick using Arduino Nano and Ultrasonic sensor Walking safely and confidently can be a challenging task for visually impaired individuals, but with the help of technology, we can make it easier for them. This DIY Blind Stick is an innovative yet simple solution that is designed to help users detect obstacles in their path. Using an Arduino Nano, ultrasonic sensor, and buzzer, it can sense objects in their way and… |
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DIY Smart Arduino Based Vacuum Robot with Wi-Fi Control The maker, Rizwan's Ideas, made a video on DIY vacuum cleaner 3 years ago. A lot of people loved the original, but many wanted Wi-Fi and IoT features, so he decided to upgrade it with better tech and smarter controls. When he received the DIY Flexi Robot Car Kit from OSOYOO, it turned out to be the perfect base for his new and improved version. The kit comes with Arduino Mega,… |
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Smart Dustbin using Arduino and Ultrasonic Sensor Smart Dustbin, as its name suggests, works smartly, or we can say that it is an automatic dustbin. Smart Dustbin is a very good project from Arduino. We can say that it is a decent gadget to make your home clean and attractive. Kids spread trash to a great extent by paper, rappers and numerous other things at home. They will have fun with this dustbin… |
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Smart Delivery BOT I have built a smart robot that combines a car with a robotic arm, controlled using hand gestures through a camera. The robot can move in different directions and pick up objects using its arm, making it versatile for various tasks. I created this project to explore advanced control methods, like hand gestures, and combine them with practical robotics applications,… |
