HC-SR04 Ultrasonic Sensor Holder
🔧 HC-SR04 Ultrasonic Sensor Holder
Stable Mounting • Easy Installation • Perfect for Robotics
The HC‑SR04 Ultrasonic Sensor Holder is a mounting accessory designed to securely hold the HC‑SR04 Ultrasonic Distance Sensor in robotics and electronics projects. It helps maintain the correct alignment of the sensor so that distance measurements remain accurate and stable.
These holders are commonly made from acrylic, plastic, or metal and are widely used in robot cars, obstacle avoidance systems, and automation devices.
📊 Infographic Overview
🔹 Basic Specifications
| Feature | Details |
|---|---|
| 🧩 Compatible Sensor | HC-SR04 Ultrasonic Module |
| 🛠 Material | Acrylic / Plastic / Metal |
| 📏 Mount Size | Designed for standard HC-SR04 board |
| 🔩 Mounting Type | Screw mounted |
| ⚖ Weight | Lightweight |
| 🤖 Application | Robotics and automation |
🧩 Main Parts of the Holder
| Part | Description |
|---|---|
| 🔵 Sensor Slots | Fits the ultrasonic transmitter and receiver |
| 🔩 Mounting Holes | Used to attach to robot chassis |
| 📐 Bracket Frame | Holds the sensor in a fixed position |
| 🛡 Support Base | Adds stability during movement |
📐 Holder Structure
HC-SR04 Sensor Holder
○ ○
Ultrasonic Ultrasonic
Transmit Receive
┌─────────────────────┐
│ HC-SR04 Sensor │
│ Mounted in │
│ Holder Frame │
└─────────────────────┘
│ │
Screw Screw
Mount Mount
⚙️ Purpose of the Sensor Holder
The holder provides several important functions:
1️⃣ Secure mounting of the ultrasonic module
2️⃣ Maintains proper alignment for distance measurement
3️⃣ Reduces vibration during robot movement
4️⃣ Makes installation on robot chassis easier
🤖 Common Applications
🚗 Obstacle avoidance robot cars
📏 Distance measurement systems
🤖 Autonomous robots
🅿 Parking assistance sensors
🚪 Automatic door detection
🔌 Compatible Electronics
The holder is typically used with:
HC‑SR04 Ultrasonic Distance Sensor
Arduino Uno
Arduino Nano
ESP32
💡 Advantages
✅ Easy sensor installation
✅ Keeps sensor stable and aligned
✅ Lightweight and durable
✅ Improves measurement reliability
✅ Ideal for robotics and DIY projects
⚠️ Installation Tips
🔧 Use M3 screws and nuts for secure mounting
📐 Position the sensor facing forward without obstacles
🤖 Mount it at the front of the robot chassis for best obstacle detection
🔧 Example Project
🤖 Ultrasonic Obstacle Avoidance Robot
Components
HC‑SR04 Ultrasonic Distance Sensor
HC-SR04 sensor holder
Arduino Uno
Motor driver module
Robot chassis
Working
✔ Ultrasonic sensor measures distance to obstacles
✔ Microcontroller processes the data
✔ Robot changes direction automatically when an obstacle is detected
