Ultrasonic Distance Measurement- Serial Monitor
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A Ultrasonic Distance Measurement System using Arduino and an ultrasonic sensor that calculates the distance of an object based on the reflection time of ultrasonic waves and displays the result on the serial monitor.
Description
The Ultrasonic Distance Measurement System uses an Arduino and an ultrasonic sensor (such as HC-SR04) to measure the distance of an object. The ultrasonic sensor emits ultrasonic waves and calculates the time taken for the waves to reflect back from the object. The Arduino processes this time and converts it into a distance value using the speed of sound. The measured distance is displayed in real-time on the Arduino serial monitor, providing an accurate and simple way to measure distances.
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An XOR (Exclusive OR) gate is a digital logic gate that outputs true (1) only when the number of true inputs is odd. For two inputs, the output is high when the inputs are different. XOR gates can be constructed using basic logic gates or directly with transistors (BJT or MOSFET). Using transistors, we can design compact, efficient circuits for custom digital logic applications.
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An AND gate can be built using BC547 NPN transistors, a common general-purpose transistor used in digital circuits.
The circuit represents both the inputs A & B for the AND gate and Output, Q, which also has a +5V supply to the collector of the first transistor, which is connected in series to the second transistor, and an LED is connected to the emitter terminal of the second transistor. The inputs A & B are connected to the base terminal of Transistor 1 and Transistor 2, respectively, and the output Q goes to the positive terminal LED.
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