51Single Chip + HC-SR04 Ultrasonic Ranging Sensor Module Ultrasonic Range Finder Reversing Radar Alarm with Display

Manual Click here to openDescriptions The ultrasonic range finder of single chip microcomputer is designed by single chip microcomputer HC SR04 ultrasonic sensor digital tube button buzzer 1 Button description From the first one on the left button button setting button 2 Single chip model STC89C52 51 AT89S52 optional default STC89C52 3 The alarm distance can be set After pressing the setting button you can press the plus or minus button to modify the alarm distance and have the power down save function 4 When the measured distance is less than the set distance the buzzer will alarm 5 Module measurement range 5cm 4m 6 This design can be used as a parking sensor for automobiles 7 Features of this design Wide measurement range stable easy to operate can be used after power on Input voltage DC 4 5 5 5VThe bottom plate size is 6 7CMThe overall size after adding the probe is about 6 9 3cm Package Included 1 x 51Single Chip HC SR04 Ultrasonic Ranging Module Noted This is the assembled module here is the list of electronic components 1 x PCB board1 x HC SR04 ultrasonic ranging module1 x 0 56 inch 3 digit common digital tube1x 40P IC socket1 x STC89C52 burning program DC005 seat 11 x USB to DC005 power supply line1 x 7 3 battery pack1 x 5V active buzzer1 x 5MM red LED1 x 8 8 self locking switch1 x 8 8 self locking switch cap3 x 6 6 12 button9 x 1K resistor7 x 4 7K resistor4 x 9012 triode3 x 22P ceramic capacitor1 x 12M crystal1 x 10UF electr