RD-01 Ai Thinker Radar Module is a radar module developed by Shenzhen Ai-Thinker Technology Co., Ltd. The module integrates radar sensing with Wi-Fi and Bluetooth communication. The radar part is based on the S3KM111L chip using FMCW radar technology operating in the 24GHz band with up to 1GHz modulation bandwidth per frequency. It can detect targets in a defined space and, combined with radar signal processing and human body sensing algorithms, can recognize both moving and static human presence. The wireless communication part uses the BL602 chip, supporting Wi-Fi 802.11 b/g/n and Bluetooth 5.0, with a built-in 32-bit RISC CPU, 276KB RAM, and multiple peripheral interfaces. The module can detect human presence and transmit results in real time via Wi-Fi and BLE, and supports parameter configuration such as sensing range, sensitivity, and unmanned delay time through wireless configuration tools.
Specifications:
Operating Voltage: 3.0V to 3.6V
Recommended Supply: 3.3V, ≥500mA
Operating Temperature: -40°C to +85°C
Storage Temperature: -40°C to +125°C
Radar Sensing Range: up to 5 meters
Radar Angle: ±60°
Wi-Fi Frequency: 2400 ~ 2483.5 MHz
BLE Frequency: 2400 ~ 2483.5 MHz
UART Default Baud Rate: 256000 bps
Flash: 2MB
I/O Pins: 8
Module Size: 35.0 × 18.0 × 3.6 mm (±0.2mm)
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