Ultrasonic senor (HC-04)
How ultrasonic sensor works? As mentioned in the name ultrasonic sensor, it works on ultrasounds. First of all, we have to know about ultrasounds. These are the high-pitched sound waves […]
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How ultrasonic sensor works? As mentioned in the name ultrasonic sensor, it works on ultrasounds. First of all, we have to know about ultrasounds. These are the high-pitched sound waves […]