Hi-Link LD2420 24GHz Radar Sensor
- Manufacturer: Hi-Link
- Model: LD2420
- mmWave Sensor Chip: Iclegend S3KM1110
- Frequency Band: 24 – 24.25GHz (Complies with FCC and CE Certification Standards)
- Modulation: FMCW (Frequency Modulated Continuous Wave)
- Max Sensing Distance (Wall Mounted): 8 Meters (6 Meters for micro-motion)
- Max Sensing Distance (Ceiling Mounted): 5 Meters (4 Meters for micro-motion)
- Distance Detection Accuracy: ±0.35 Meters
- Resolution: 0.7 Meters
- Sensing Angle: ± 60 Degrees
- Operating Voltage Range: 3.0 – 3.6VDC
- Output and Logic Level Voltage: 3.3VDC
- Operating Current: ~50mA
- Operating Temperature Range: -40°C to +85°C
- Data Refresh Rate: 10Hz
- Communication Protocol: UART (Default Baud Rate = 256000)
- Header Pin Pitch: 2.54mm
- Dimensions: ~(20mm x 20mm)
Pin Description
- 5. 3V3-> Supply Voltage (3.0 – 3.6VDC)
- 4. GND-> Ground
- 1. OT1-> UART TX Pin
- 2. RX-> UART RX Pin
- 3. OT2-> Digital Output (HIGH if human body is detected, otherwise LOW)
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