Bluelover DIY Ultrasonic Ranging Module Radar Alarm Kit Based on 51 Single Chip For Arduino

Feature:
1, Key Description:
From the first on the left, – key, + key, setting key.
2, SCM model: STC89C52.
3, Can set the alarm distance, press the set button, you can press plus, minus key, you can modify the alarm distance, and has power-off save function. 4, When the measured distance is less than the set distance, the buzzer will alarm.
5, The module measuring range: 5cm – 4m (test error: about 5%).
6, The design can be used as a car reversing radar.
Specification:
Input voltage: DC 4.5-5.5V
Baseboard size: 6 * 7CM
After adding the probe overall size is about 6 * 9 * 3cm
Package list:
1 x PCB board
1 x HC-SR04 ultrasonic ranging module
1 x 0.56 inch 3 common anode digital tube
1 x 40P IC socket
1 x STC89C52 (programmed)
1 x DC005 socket
1 x USB to DC005 power cable
1 x AAA battery holder (batteries does not includes)
1 x 5V active buzzer
1 x 5MM red LED
1 x 8 * 8 self-locking switch
1 x 8 * 8 self-locking switch cap
3 x 6 * 6 * 12 buttons
9 x 1K resistor
7 x 4.7K resistor
4 x 9012 transistor
3 x 22P ceramic capacitor
1 x 12M crystal
1 x 10UF electrolytic capacitor
1 x Shell kit

Product Features

  • Key Description: From the first on the left, – key, + key, setting key.
  • SCM model: STC89C52.
  • Can set the alarm distance, press the set button, you can press plus, minus key, you can modify the alarm distance, and has power-off save function.
  • When the measured distance is less than the set distance, the buzzer will alarm.
  • The module measuring range: 5cm – 4m (test error: about 5%).

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