Human Micro-Motion Detection - mmWave 24GHz sensor - S3KM1110 - Waveshare 26536

Index: WSR-24790 EAN: 5904422385699
A radar sensor designed to identify human movement, standing and micro-movements . It uses FMCW technology, is based on the S3KM1110 module with built-in 24 GHz 1T1R antennas, and thanks to UART and GPIO communication, it can be easily integrated with various platforms.
Human Micro-Motion Detection - mmWave 24GHz sensor - S3KM1110 - Waveshare 26536
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Manufacturer: Waveshare

Product description: Human Micro-Motion Detection - mmWave 24 GHz sensor - S3KM1110 - Waveshare 26536

An innovative radar sensor using FMCW technology and operating in the 24 GHz band, designed to identify human movement, standing and micro-movements . Combining radar signal processing with accurate detection and ranging algorithms, it allows you to configure sensitivity for each range independently. Perfect for applications such as home automation, security systems, health monitoring and smart lighting . The sensor uses the S3KM1110 module with built-in efficient 24 GHz 1T1R antennas. Thanks to the UART communication interface and GPIO pins , it can be easily integrated with various platforms such as Raspberry Pi, RP2040, Arduino, ESP32 and Jetson Nano, which increases its versatility.

Human Micro-Motion Detection - mmWave 24 GHz sensor - S3KM1110 - Waveshare 26536.

The sensor ensures accurate detection of even the smallest movements.

What does FMCW stand for?

The abbreviation FMCW stands for Frequency Modulated Continuous Wave radar. It is a type of radar sensor that emits a continuous transmission signal and can change its operating frequency during measurement. What does this mean in practice? The transmitted signal is frequency modulated, making it possible to measure both the distance and the speed of moving objects. FMCW radars are used wherever it is necessary to measure very small distances and high measurement reliability is required.

Technical specifications of the sensor

  • Type: mmWave sensor
  • Operating frequency: from 24 GHz to 24.25 GHz
  • Modulation: FMCW (Frequency Modulated Continuous Wave)
  • Detection Range:
    • when mounting on the wall: movement - up to 10 m, micro-motion - up to 6 m
    • when mounting on the ceiling: movement - up to 5 m, micro-motion - up to 4 m
  • Distance resolution: 0.7 m
  • Detection angle: ±60°
  • Detection accuracy: ±0.15 m
  • Interface: UART, GPIO
  • Data refresh cycle: 100 ms
  • Supply voltage: 3.3 V
  • Average operating current: 50 mA
  • Operating temperature: from -40°C to 85°C
  • Dimensions: 20 x 20 mm

The motion detection range of the sensor.

Package width 7.2 cm
Package height 10 cm
Package depth 1 cm
Package weight 0.003 kg

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