Kerui HW19 PIR Motion Sensor Detector Alarm with Alarm Sound / Doorbell Ring Remote Control to Arm/Disarm SOS for Elder Kids
KERUI Infrared Motion Sensor Detetor Alarm with Remote Control to Arm/DisarmThis wireless infrared motion alarm has two modes: alarm and doorbell. It can be switched by pressing the S key on the remote control or by short pressing the setting key on the side of the infrared host.Low Battery WarningWhen the battery of the PIR sensor alarm is low, it will emit three warning beeps every 30 seconds as a reminder.Working Mode DescriptionArming and DisarmingPress the "Setting" button once to
- High-precision sensing output for advanced robotic control
- Dual-voltage logic compatibility supporting 3.3V and 5.0V inputs
- Integrates easily with standard I2C and SPI serial interfaces
- Ultra-compact form factor suitable for miniature space setups
- Factory-calibrated for immediate out-of-the-box prototyping
- Low power consumption ideal for battery-operated smart devices
- Robust electromagnetic interference (EMI) shield shielding
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(855) I-BUY-ROBO (855) 428-9762Use Cases
Autonomous navigation, self-balancing robots, drone flight stabilization, obstacle avoidance, and IoT tracking applications.
Compatibility Notes
Fully compatible with Arduino, Raspberry Pi, ESP32, STM32, and standard 3.3V/5V microcontroller logic levels.
Frequently Asked Questions
Yes, it communicates over standard I2C/SPI pins and works seamlessly with the Arduino IDE and library frameworks.
It is designed to work safely on both 3.3V and 5V power rails, offering wide logic-level compatibility.
The module comes pre-calibrated from the factory, but you can implement software calibration offsets in your code for higher precision in custom environments.
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