24GHz HMMD mmWave Radar Human Presence Sensor S3KM1110

Discover the latest innovation in motion detection: the 24GHz HMMD mmWave Radar Person Presence Sensor S3KM1110, a leading solution for your security and automation needs. This advanced sensor utilizes Frequency Modulated Continuous Wave (FMCW) technology to accurately capture both moving and stationary persons. Thanks to its compact size and easy integration, it is excellent for a variety of AIoT applications, including smart home automation, security systems, business intelligence, and intelligent lighting solutions. With the S3KM1110 based on the AIoT mmWave Sensor SoC S3KM1110, you can individually configure the sensitivity for each area to optimize performance under various conditions.

Recommended accessories:

Mini USB UART FTDI Programmer 3.3/5V USB Serial

Features:

Based on the AIoT mmWave Sensor SoC S3KM1110 and equipped with powerful 24GHz 1T1R antennas.
Features an integrated MCU and a built-in algorithm for detecting human micro-movements.
Allows the configuration of detection distance, sensitivity, and delay of absence notification via UART communication protocol.
Supports both UART port and GPIO header output for connection with host boards like Raspberry Pi and Arduino.
Offers a wide range of detection distances for moving human targets, supports both ceiling and wall mounting.

Application examples:

Ideal for smart home applications such as automatic lighting control and temperature regulation, in security systems for monitoring and alerting unwanted presence, in business environments for room occupancy detection and in intelligent lighting systems for energy saving.

Documentation:

Waveshare Wiki

Technical specifications:

Manufacturer: Waveshare
Manufacturer SKU: 26536
Power supply: 3.3V
Output interface: UART & GPIO
UART baud rate: 115200bps (standard)
Frequency band: 24~24.25GHz
Bandwidth: 0.25GHz
Modulation: FMCW
Ambient temperature: -40~85℃
Detection range (wall-mounted): Moving target: 10m; Micro-movement target: 6m
Detection range (ceiling-mounted): Moving target: 5m; Micro-movement target: 4m
Detection distance resolution: 0.7m
Detection angle: ±60°
Detection accuracy: 0.15m (moving target within 10m radial distance from the radar)
Dimensions: 20 x 20
Weight: 2.6g