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AVR Microcontroller. Ultrasonic Distance Sensor. HC-SR04 on LCD NOKIA 5110 : 4 Steps - Instructables
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SYSPRO HC-SR04 Ultrasonic/Sonar Distance Measuring Transducer Sensor Module For Arduino, Raspberry Pi, AVR, 8051, PIC and other MCU : Amazon.in: Industrial & Scientific
GitHub - Hossam-Elbahrawy/Ultrasonic-sensor-driver: Interfacing ultrasonic sensor to measure the distance to objects in (cm) using AVR Atmega32
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