Vibration Sensor Module for Car XH2.54MM 3P car alarm KF2510
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The Vibration Sensor Module for Car is a high-sensitivity alarm sensor built with a spring-mass piezoelectric system and LM358 op-amp for reliable vibration detection. Operating on DC 5–15V, it features an adjustable sensitivity range, signal output LED, and a 1-second delay low-level output compatible with microcontrollers. Connected via a 1-meter cable with a standard 2.54mm 3-pin socket (XH2.54 / KF2510), it is widely used in car, motorcycle, and motor anti-theft systems and integrates easily with MCUs and wireless modules.
وحدة استشعار الاهتزاز للسيارات هي حساس إنذار عالي الحساسية يعتمد على نظام كتلة-زنبرك مع شريحة كهروضغطية ومكبر العمليات LM358 لكشف الاهتزازات بدقة وموثوقية. يعمل بجهد 5–15 فولت تيار مستمر، ويتميز بحساسية قابلة للضبط، ومؤشر LED لخرج الإشارة، وخرج منخفض المستوى مع تأخير ثانية واحدة متوافق مع المتحكمات الدقيقة. يتصل عبر كابل بطول 1 متر مع موصل قياسي 2.54mm 3-pin (XH2.54 / KF2510)، ويستخدم على نطاق واسع في أنظمة إنذار السيارات والدراجات النارية ويتكامل بسهولة مع المتحكمات والوحدات اللاسلكية.
The Vibration Sensor Module is a professional-grade anti-theft sensor designed for vehicle alarm systems, motorcycles, and motor-driven equipment. It uses a spring-loaded heavy-hammer mechanism combined with a piezoelectric ceramic element to detect mechanical vibrations with high accuracy. The captured vibration signal is amplified and conditioned through an LM358 dual operational amplifier, producing a clean, controllable output suitable for direct connection to a microcontroller, wireless transmitter module, or wired alarm circuit.
The module is manufactured using SMT technology with imported components, ensuring long-term stability, low power consumption, and consistent performance under real-world conditions. The detection sensitivity is fully adjustable, allowing the module to be tuned for delicate touch detection or heavier impact triggering. When a vibration is detected, the output remains active (low level) for approximately 1 second, giving the host controller a stable window to read the event.
It is estimated that around 80% of factory and aftermarket vehicle alarm systems use this type of sensor, making it a proven, reliable, and cost-effective choice for modern security applications.
Specifications
- Main IC: LM358 dual operational amplifier
- Sensing Element: Piezoelectric ceramic with spring-mass mechanism
- Operating Voltage: DC 5–15V
- Output: Single-channel, active-low signal
- Output Delay: Approximately 1 second after vibration is detected
- Sensitivity: Adjustable via on-board trimmer
- Indicator: Signal output LED
- Connection Cable: 1 meter length
- Connector: 2.54mm 3-pin socket (XH2.54 / KF2510 compatible)
- Dimensions: 60mm × 40mm × 21mm (including mounting ear plate)
- Mounting: Built-in installation holes for flexible placement
- Construction: SMT assembly with imported components
Applications
- Car alarm and anti-theft systems
- Motorcycle and scooter security systems
- Truck and commercial vehicle alarms
- Wired and wireless intruder alarm systems
- Vibration-triggered triggers for DIY electronics projects
- Integration with microcontrollers (Arduino, Raspberry Pi, ESP32, STM32)
- Integration with RF / wireless transmitter modules
- Industrial machinery vibration monitoring
- General-purpose security and tamper detection products