The UAV-H31-1 Radar is a multi-target height-measuring millimeter-wave radar developed independently by Microbrain Intelligent Technology Co., Ltd. Operating in the 77-81GHz frequency band, it offers height measurement accuracy of less than 2cm.
Looking for H31 Sensor? 77-81GHz Height measuring radar sensor UAV-H31-1 (UART) is available at Zbotic with fast shipping across India.
The UAV-H31-1 Radar is a multi-target height-measuring millimeter-wave radar developed independently by Microbrain Intelligent Technology Co., Ltd. Operating in the 77-81GHz frequency band, it offers height measurement accuracy of less than 2cm. With its small size, high sensitivity, low weight, and stable performance, it is easy to integrate into various systems. The UAV-H31-1 can simultaneously detect the height of both crops and ground surfaces, making it suitable for use in complex terrain environments. It is ideal for a wide range of UAV applications, including unmanned aerial platforms, agricultural plant protection drones, helicopters, small airships, and more.
Features:
Frequency Range: 77-81GHz
Application: Height measurement
Radar Type: Radar sensor
Compatibility: Designed for UAV integration
Precision: Offers precise measurements
Environment: Suitable for various conditions
Specification
Model Type
Measuring Radar Sensor
Model
UAV-H31-1
Communication Mode
UART
Operating Voltage (V)
5 to 24V
Operating Temperature (°C)
-40 to 85
Package Includes:
1 x 77-81GHz Height measuring radar sensor UAV-H31-1 (UART)
The UAV-H31-1 is a millimeter-wave radar sensor operating in the 77–81 GHz band, designed for precise height measurement in UAV applications. Developed by Microbrain Intelligent Technology Co., Ltd., it delivers multi-target detection with accuracy better than 2 cm, making it ideal for drones navigating complex terrain.
Key Features of 77-81GHz Height measuring radar sensor UAV-H31-1
77–81 GHz frequency band for reliable millimeter-wave height detection
Multi-target sensing capable of measuring both crop canopy and ground surface
Height measurement accuracy of less than 2 cm for precise altitude control
Compact and lightweight design with high sensitivity and stable performance
UART interface for straightforward integration with flight controllers
Genuine product with fast shipping from Zbotic across India
Applications and Use Cases
Precision agriculture drones monitoring crop height in real time
Terrain-following for unmanned aerial platforms over uneven fields
Altitude measurement on small helicopters and airships
Obstacle avoidance and low-altitude flight stabilization
Height control in agricultural plant protection UAVs
How to Use 77-81GHz Height measuring radar sensor UAV-H31-1
To set up the UAV-H31-1, mount the radar module on the UAV frame with a clear downward view, connect its power lines and UART TX/RX pins to your flight controller or microcontroller, and configure baud rate and measurement parameters via the control interface. Once powered and initialized, the radar continuously outputs height data for integration into your navigation or spraying system.
Why Buy from Zbotic?
Genuine Products: All items sourced from authorized distributors
Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
Free Shipping: Free delivery on qualifying orders
COD Available: Cash on Delivery, UPI, cards, net banking
Technical Support: Expert help for setup and troubleshooting
Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
What interface does the UAV-H31-1 use for data communication?
The UAV-H31-1 uses a standard UART interface, allowing direct connection to flight controllers and microcontrollers for real-time height data output.
How accurate is the height measurement?
This radar sensor provides height measurement accuracy of less than 2 cm, ensuring precise altitude readings for low-altitude flight operations.
Can it detect multiple height targets simultaneously?
Yes, the UAV-H31-1 supports multi-target detection, enabling it to measure both crop canopies and ground surfaces at the same time, even in complex terrain.
The 77-81GHz Height measuring radar sensor UAV-H31-1 (UART) is a versatile radar sensor used across a wide range of applications including electronics projects, DIY builds, prototyping, and educational experiments.
Common use cases:
Integrating into a custom electronics project
Learning and experimenting with circuits
Replacing or upgrading components in existing setups
This product is ideal for electronics enthusiasts, engineers, and students.
Technical Tip: Always verify voltage and current requirements before connecting to your circuit. Check datasheets for detailed specifications and pin configurations.
Shipping & Delivery
Free shipping on orders above ₹999 across India
Dispatched within 1-3 business days
Expected delivery: 3-7 business days depending on location
Secure packaging to ensure safe transit of electronic components
Genuine Microbrain Intelligent product sourced from authorized channels
Weight
0.17 kg
Country Of Origin: China
27 reviews for 77-81GHz Height measuring radar sensor UAV-H31-1 (UART)
Rated 5 out of 5
Sachin Panchal (verified owner)–
Outstanding accuracy from this 77-81GHz Height measuring radar sensor UAV-H31-1. Compared with a professional instrument, readings match closely.
Rated 5 out of 5
Daksh Gupta (verified owner)–
Perfect for my weather station. This 77-81GHz Height measuring radar sensor UAV-H31-1 gives consistent readings day and night.
Rated 5 out of 5
Riya Singh (verified owner)–
Perfect for my weather station. This 77-81GHz Height measuring radar sensor UAV-H31-1 gives consistent readings day and night.
Rated 5 out of 5
Mukesh Khanna (verified owner)–
Excellent 77-81GHz Height measuring radar sensor UAV-H31-1! Readings are accurate and consistent. Perfect for my project.
Rated 4 out of 5
Sumit Garg (verified owner)–
Good 77-81GHz Height measuring radar sensor UAV-H31-1. Works as described. Calibration needed some patience but results are good.
Rated 5 out of 5
Krishna Thakur (verified owner)–
Bought this 77-81GHz Height measuring radar sensor UAV-H31-1 for my college project. Accurate readings, easy to code. Very happy!
Rated 5 out of 5
Utkarsh Solanki (verified owner)–
Perfect for my weather station. This 77-81GHz Height measuring radar sensor UAV-H31-1 gives consistent readings day and night.
Rated 5 out of 5
Himanshu Rajan (verified owner)–
This 77-81GHz Height measuring radar sensor UAV-H31-1 works great with Arduino. Easy to wire up and code.
Rated 4 out of 5
Chirag Parekh (verified owner)–
Nice 77-81GHz Height measuring radar sensor UAV-H31-1. Readings are mostly accurate. Good enough for my hobby project.
Rated 5 out of 5
Yogesh Patel (verified owner)–
Very satisfied with this 77-81GHz Height measuring radar sensor UAV-H31-1. Library support is good and it’s easy to interface.
Rated 4 out of 5
Swati Bhat (verified owner)–
Nice 77-81GHz Height measuring radar sensor UAV-H31-1. Readings are mostly accurate. Good enough for my hobby project.
Rated 5 out of 5
Vijay Mehta (verified owner)–
Great quality 77-81GHz Height measuring radar sensor UAV-H31-1. Calibrated it easily and the accuracy is impressive.
Rated 4 out of 5
Mahesh Reddy (verified owner)–
Decent 77-81GHz Height measuring radar sensor UAV-H31-1 for the price. Requires proper wiring but works well once set up.
Rated 3 out of 5
Tanya Solanki (verified owner)–
Okay 77-81GHz Height measuring radar sensor UAV-H31-1. Had to add a capacitor to stabilize readings. Works now.
Rated 4 out of 5
Sachin Kumar (verified owner)–
Good 77-81GHz Height measuring radar sensor UAV-H31-1. Works as described. Calibration needed some patience but results are good.
Rated 4 out of 5
Gaurav Rathore (verified owner)–
Decent 77-81GHz Height measuring radar sensor UAV-H31-1 for the price. Requires proper wiring but works well once set up.
Rated 5 out of 5
Vansh Naidu (verified owner)–
Love this 77-81GHz Height measuring radar sensor UAV-H31-1. Response time is fast and readings are stable.
Rated 5 out of 5
Milan Modi (verified owner)–
Excellent sensitivity and range on this 77-81GHz Height measuring radar sensor UAV-H31-1. Works better than I expected.
Rated 4 out of 5
Himanshu Kumar (verified owner)–
Nice 77-81GHz Height measuring radar sensor UAV-H31-1. Readings are mostly accurate. Good enough for my hobby project.
Rated 4 out of 5
Advik Singh (verified owner)–
Good quality 77-81GHz Height measuring radar sensor UAV-H31-1. Some variation in readings but within acceptable range.
Rated 5 out of 5
Arnav Malhotra –
Superb 77-81GHz Height measuring radar sensor UAV-H31-1! Using it in my environmental monitoring system. Very reliable data.
Rated 5 out of 5
Tushar Ghosh (verified owner)–
Bought this 77-81GHz Height measuring radar sensor UAV-H31-1 for my college project. Accurate readings, easy to code. Very happy!
Rated 5 out of 5
Shivam Malhotra –
This 77-81GHz Height measuring radar sensor UAV-H31-1 works great with Arduino. Easy to wire up and code.
Rated 4 out of 5
Vijay Bhatt (verified owner)–
Nice 77-81GHz Height measuring radar sensor UAV-H31-1. Readings are mostly accurate. Good enough for my hobby project.
Rated 5 out of 5
Nandini Chatterjee (verified owner)–
Superb 77-81GHz Height measuring radar sensor UAV-H31-1! Using it in my environmental monitoring system. Very reliable data.
Rated 5 out of 5
Ishan Chatterjee (verified owner)–
Excellent 77-81GHz Height measuring radar sensor UAV-H31-1! Readings are accurate and consistent. Perfect for my project.
Rated 5 out of 5
Chetan Krishnan (verified owner)–
Superb 77-81GHz Height measuring radar sensor UAV-H31-1! Using it in my environmental monitoring system. Very reliable data.
Only logged in customers who have purchased this product may leave a review.
Sachin Panchal (verified owner) –
Outstanding accuracy from this 77-81GHz Height measuring radar sensor UAV-H31-1. Compared with a professional instrument, readings match closely.
Daksh Gupta (verified owner) –
Perfect for my weather station. This 77-81GHz Height measuring radar sensor UAV-H31-1 gives consistent readings day and night.
Riya Singh (verified owner) –
Perfect for my weather station. This 77-81GHz Height measuring radar sensor UAV-H31-1 gives consistent readings day and night.
Mukesh Khanna (verified owner) –
Excellent 77-81GHz Height measuring radar sensor UAV-H31-1! Readings are accurate and consistent. Perfect for my project.
Sumit Garg (verified owner) –
Good 77-81GHz Height measuring radar sensor UAV-H31-1. Works as described. Calibration needed some patience but results are good.
Krishna Thakur (verified owner) –
Bought this 77-81GHz Height measuring radar sensor UAV-H31-1 for my college project. Accurate readings, easy to code. Very happy!
Utkarsh Solanki (verified owner) –
Perfect for my weather station. This 77-81GHz Height measuring radar sensor UAV-H31-1 gives consistent readings day and night.
Himanshu Rajan (verified owner) –
This 77-81GHz Height measuring radar sensor UAV-H31-1 works great with Arduino. Easy to wire up and code.
Chirag Parekh (verified owner) –
Nice 77-81GHz Height measuring radar sensor UAV-H31-1. Readings are mostly accurate. Good enough for my hobby project.
Yogesh Patel (verified owner) –
Very satisfied with this 77-81GHz Height measuring radar sensor UAV-H31-1. Library support is good and it’s easy to interface.
Swati Bhat (verified owner) –
Nice 77-81GHz Height measuring radar sensor UAV-H31-1. Readings are mostly accurate. Good enough for my hobby project.
Vijay Mehta (verified owner) –
Great quality 77-81GHz Height measuring radar sensor UAV-H31-1. Calibrated it easily and the accuracy is impressive.
Mahesh Reddy (verified owner) –
Decent 77-81GHz Height measuring radar sensor UAV-H31-1 for the price. Requires proper wiring but works well once set up.
Tanya Solanki (verified owner) –
Okay 77-81GHz Height measuring radar sensor UAV-H31-1. Had to add a capacitor to stabilize readings. Works now.
Sachin Kumar (verified owner) –
Good 77-81GHz Height measuring radar sensor UAV-H31-1. Works as described. Calibration needed some patience but results are good.
Gaurav Rathore (verified owner) –
Decent 77-81GHz Height measuring radar sensor UAV-H31-1 for the price. Requires proper wiring but works well once set up.
Vansh Naidu (verified owner) –
Love this 77-81GHz Height measuring radar sensor UAV-H31-1. Response time is fast and readings are stable.
Milan Modi (verified owner) –
Excellent sensitivity and range on this 77-81GHz Height measuring radar sensor UAV-H31-1. Works better than I expected.
Himanshu Kumar (verified owner) –
Nice 77-81GHz Height measuring radar sensor UAV-H31-1. Readings are mostly accurate. Good enough for my hobby project.
Advik Singh (verified owner) –
Good quality 77-81GHz Height measuring radar sensor UAV-H31-1. Some variation in readings but within acceptable range.
Arnav Malhotra –
Superb 77-81GHz Height measuring radar sensor UAV-H31-1! Using it in my environmental monitoring system. Very reliable data.
Tushar Ghosh (verified owner) –
Bought this 77-81GHz Height measuring radar sensor UAV-H31-1 for my college project. Accurate readings, easy to code. Very happy!
Shivam Malhotra –
This 77-81GHz Height measuring radar sensor UAV-H31-1 works great with Arduino. Easy to wire up and code.
Vijay Bhatt (verified owner) –
Nice 77-81GHz Height measuring radar sensor UAV-H31-1. Readings are mostly accurate. Good enough for my hobby project.
Nandini Chatterjee (verified owner) –
Superb 77-81GHz Height measuring radar sensor UAV-H31-1! Using it in my environmental monitoring system. Very reliable data.
Ishan Chatterjee (verified owner) –
Excellent 77-81GHz Height measuring radar sensor UAV-H31-1! Readings are accurate and consistent. Perfect for my project.
Chetan Krishnan (verified owner) –
Superb 77-81GHz Height measuring radar sensor UAV-H31-1! Using it in my environmental monitoring system. Very reliable data.