The main technical parameters: - Voltage: DC5V - Static current: less than 2mA - Level output: high-5V - Level output: the end of 0V - Induction angle: not more than 15 degrees - Detection distance: 2cm - 450cm - High precision: up to 1mm
The module works: 1. Using IO trigger ranging to at least 10us high signal 2. Module automatically sends eight 40khz square wave and automatically detect whether a signal return 3. The signal return through a high IO output, high duration is ultrasonic time from launch to return. Test distance = (high level time * sound velocity (340M / S)) / 2
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