








MB1009 ParkSonar‑EZ‑144 ultrasonic vehicle detection sensor delivers reliable proximity monitoring for parking systems, access control points, and traffic-aware installations. This 42kHz ultrasonic ranging module reports both presence and distance of the nearest detectable target with a fine one‑inch resolution. Designed for vehicle detection environments, the proximity sensing unit defines a calibrated monitoring zone of approximately 12 feet while supporting simultaneous multi‑sensor operation. Multiple output formats—including logic‑level digital signals and RS232 serial—enable straightforward integration with microcontrollers, embedded controllers, and industrial automation systems requiring dependable vehicle presence detection.

Figure: ParkSonar-EZ-144(MB1009) Beam Pattern
Precision Ultrasonic Vehicle Detection
This parking detection module uses a 42kHz ultrasonic transducer to measure distance with 1‑inch resolution while reporting the nearest detectable object within its sensing field. A calibrated proximity zone of roughly 12 feet enables dependable vehicle presence monitoring in parking lots, gated entrances, and roadway management systems. Minimal dead zone behavior ensures objects closer than 6 inches are still reported as approximately 6 inches, providing stable and predictable ranging performance even at very short distances.
Multiple Output Interfaces for System Integration
Flexible signal outputs simplify connection to a wide variety of embedded systems and industrial controllers. The ultrasonic detection board provides two digital interface options: a high/low logic output for simple presence detection and an RS232 serial interface for distance data transmission. Such versatility allows the ranging sensor to operate in standalone proximity applications or as part of more advanced monitoring systems that require continuous range information and remote data processing.
Reliable Multi‑Sensor Operation
This parking proximity sensing unit supports automatic multi‑sensor operation, enabling deployments with 14 or more sensors operating simultaneously depending on mounting configuration and environmental conditions. Efficient detection timing allows approximately 10 seconds for target acquisition and about 5 seconds for target release after objects leave the sensing zone. Low average current consumption of around 2.0mA combined with a wide 2.5–5.5V operating range makes the ultrasonic module suitable for long‑term installations and energy‑conscious embedded systems.
Such ultrasonic vehicle detection technology fits parking management infrastructure, traffic monitoring systems, automated gate control, and smart facility installations. The compact, lightweight sensing board integrates easily into custom electronics or infrastructure projects that require dependable object detection and proximity‑based triggering within a defined monitoring zone.