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Αρχική Σελίδα/Ρομποτική/Αισθητήρες/Κίνησης/mmWave C4001 24GHz Human Presence Detection 25m

mmWave C4001 24GHz Human Presence Detection 25m

Κωδικός:

25-00016964

Part Number: SEN0609

ΚατασκευαστήςDFRobot Part NumberSEN0609

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Διαθεσιμότητα Καταστημάτων

Πληρωμή & Μεταφορικά

Περιγραφή
Χαρακτηριστικά

The C4001 millimeter-wave presence sensor utilizes a wavelength signal of 24GHz. It has a detection range of 100° horizontally, with a presence detection range of 16 meters and a motion detection and distance measurement range of 25 meters.

What is a millimeter-wave radar sensor?

Millimeter-wave radar technology is a non-contact sensing technology used to detect objects and provide information about their distance, velocity, and angle (in the case of humans, for example). The signals emitted by millimeter-wave sensors fall within the high-frequency spectrum with wavelengths between 24GHz and 300GHz, also known as the millimeter (mm) range.

Applications

Human Detection
Distance and Velocity Detection
Environmental Monitoring
Industrial Automation
Real-time Monitoring and Tracking

Human detection

Compared to other types of presence sensors such as infrared sensors and ultrasonic sensors, the C4001(25m) millimeter-wave presence sensor has the advantage of being able to detect both static and moving objects. It also has a relatively strong anti-interference ability, making it less susceptible to factors such as temperature changes, variations in ambient light, and environmental noise. Whether a person is sitting, sleeping, or in motion, the sensor can quickly and sensitively detect their presence

Distance and velocity detection

The C4001 (25m) millimeter-wave presence sensor utilizes Frequency Modulated Continuous Wave (FMCW) modulation for distance and speed measurement. It has a maximum measurement range of 25 meters for distance and a speed measurement range of 0.1 to 10 meters per second. FMCW is a radar system based on Frequency Modulated Continuous Wave. Unlike traditional pulse radar, FMCW radar continuously emits a series of continuous wave signals with gradually changing frequencies while simultaneously receiving the reflected signals. By analyzing the received signals, measurements of parameters such as distance, velocity, and angle can be achieved.

Compared to traditional pulse radar technology, FMCW radar can continuously measure the distance of objects. By utilizing the Doppler effect, it can also obtain velocity information of the target objects. This makes it suitable for applications that require monitoring the motion status of target objects. Additionally, FMCW radar can achieve continuous frequency scanning, providing higher measurement resolution. Since it doesn't need to wait for the echo signal to return, it is suitable for applications that require real-time monitoring and tracking of target objects.

	Millimeter-wave Presence Sensor	Infrared Sensor
Sensing Principle	TOF radar principle + Doppler radar sensing principle (active detection)	Pyroelectric infrared sensing principle (passive radiation)
Motion Sensitivity	Can detect presence, slight movement, and motion of human body	Can only detect motion and close-range slight movement of human body
Sensing Range	Can be adjusted to different sensing distances	Sensing range cannot be adjusted
Environmental Temperature Impact	Not affected by environmental temperature	Sensitivity decreases when temperature is close to human body temperature
Application Environment	Not affected by heat sources, light sources, air flow	Susceptible to heat sources and air flow
Penetration Ability	Can penetrate fabrics, plastics, glass, and other insulating materials	Can only penetrate some transparent plastics
Distance Measurement Support	Yes	No

Technical data

Operating Voltage: 3.3V/5V
Maximum Detection Range: 25m
Beam Angle: 100°×40°
Modulation Mode: FMCW
Operating Frequency: 24GHz
Operating Temperature: -40℃~85℃
Baud Rate: 9600
Size: 26×30mm

Package contents

C4001 mmWave Presence Sensor 25m ×1
5-pin header ×1

Communication protocol

Key features

Human detection: Detection range up to 16 meters and motion detection range up to 25 meters.
Distance detection: Range from 1.2 meters to 25 meters.
Velocity detection: Range from 0.1 meters per second to 10 meters per second.
Strong anti-interference capability, unaffected by snow, haze, temperature, humidity, dust, light, noise, etc.
High and low-level output control through I/O ports.
Input and output control via serial port.
Small size, easy to integrate.