DIY Radar System without ultrasonic sensor | Arduino UNO Ek R4 WiFi Project

Опубликовано: 16 Март 2026
на канале: Robu.in
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Build your own next-gen DIY radar system using the LD2420 24GHz Radar Sensor and Arduino UNO Ek R4 WiFi!

With this project, you'll detect real-time motion, distance, and presence—no ultrasonic needed. The LD2420 is compact, precise, and works even through thin materials like plastic or cardboard!

What you’ll learn:
How LD2420 radar sensor works
How to connect LD2420 with Arduino UNO Ek R4 WiFi
Real-time serial data decoding & motion range visualization
How radar differs from ultrasonic sensors

Arduino UNO EK R4 WiFi -SKU: R194987
https://robu.in/product/official-ardu...
Radar Sensor LD2420-SKU: 1802881
https://robu.in/product/hlk-ld2420-24...

Keywords:
DIY radar project with Arduino
LD2420 radar sensor Arduino
Motion detection using radar sensor
Arduino UNO R4 WiFi radar tutorial
Real-time presence detection Arduino
Radar vs Ultrasonic sensor
Arduino radar project for beginners
Arduino radar sensor LD2420 setup


Perfect for:
#DIYProjects, #EngineeringStudents, #STEMeducation, and #ScienceFairs!

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