ขาย HC-SR04 P Ultrasonic Module ราคาที่ดีที่สุด

This module is the second generation of the popular HC-SR04 Low Cost Ultrasonic Sensor. Unlike the first generation HC-SR04 that can only operate between 4.8V~5V DC, this new version has wider input voltage range, allow it to work with controller operates on 3.3V. HC-SR04 ultrasonic sensor provides a very low-cost and easy method of distance measurement. It measures distance using sonar, an ultrasonic (well above human hearing) pulse (~40KHz) is transmitted from the unit and distance-to-target is determined by measuring the time required for the echo return. This sensor offers excellent range accuracy and stable readings in an easy-to-use package. An on board 2.54mm pitch pin header allows the sensor to be plugged into a solderless breadboard for easy prototyping. 1-piece/pack. Features: - HC-SR04P Upgrade version with build-in crystal, more reliable, lower working current. - Power Supply: 3.3~5 VDC - Quiescent Current : 2mA - Working Current: 2.8mA @ 5V - Effective Angle: 15° - Ranging Distance : 2cm – 400 cm or 1″ – 13ft - Connector: 4-pins header with 2.54mm pitch. - Dimension: 45mm x 20mm x 15mm - Weight 8.5-g. Image is for package illustration purpose only. Refer to product specs for detail.