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Home / Computer Hardware, Monitors & Peripherals / Microwave Doppler Human Induction Module HB100 Wireless Radar Motion Detection Sensor 24G CDM324
Computer Hardware, Monitors & Peripherals

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Operating Frequency 24.125 GHz
Supply Voltage 4.5V to 5.5V DC
Detection Range Up to 7 Meters
Beam Angle 90 Degrees
Output Type Analog Doppler Signal
Operating Temperature -25°C to 80°C
PCB Size 26mm x 16mm
Current Draw 30 mA (Typical)
Connector 4-Pin Header
Weight 3.5 Grams

5 reviews

A

Anonymous

Mar 27, 2026

Rating: 5/5

Fast Response

No lag in detection. Great for alarm systems.

A

Anonymous

Feb 26, 2026

Rating: 4/5

Good value

Does the job well. Range is accurate as described.

A

Anonymous

Feb 12, 2026

Rating: 5/5

Excellent Sensor

Works perfectly for my home automation project. Very sensitive.

A

Anonymous

Feb 02, 2026

Rating: 5/5

Reliable Detection

Integrated easily with my microcontroller setup.

A

Anonymous

Jan 26, 2026

Rating: 4/5

Solid Module

Requires some tuning but overall very satisfied.

5 FAQ

Q: Can it detect through glass?

A: Yes, microwaves pass through non-metallic materials like glass.

Q: Is it waterproof?

A: No, the module is not waterproof. Use an enclosure for outdoors.

Q: Power consumption?

A: Typically consumes around 30mA during operation.

Q: Does it detect static objects?

A: No, it relies on Doppler effect for moving targets.

Q: What MCU works best?

A: Compatible with Arduino, ESP32, and Raspberry Pi.

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