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1.Ultrasonic Ranging Alarm Soldering Electronics Project DIY Learning Practice Kit With HC-SR04 Distance Sensor Module and Buzzer.
2.Compose of HC-SR04 ultrasonic sensor, Parameter Input, Digtal tube display and alarm buzzer.
3.Use the widely used STC89C52 microcontroller as the core control unit which is popular and easy to use.
4.The circuit structure is also modular and labelled clearly for easy soldering.
Specification
Working voltage: DC 4.5-5.5V.
Measurement distance range: 1.96" - 157.5".
Distance (on the Digtal Tube) is shown in Meter.
Package Includes:
1 x PCB Board
2 x HC-SR04 ultrasonic Ranging sensor
1 x 3 Bit Digtal Tube
1 x 40P IC Lead Socket
1 x STC89C52 (Programmed)
1 x DC005 Socket
1 x Battery Holder
1 x USB To DC005 Cable
1 x 5V Buzzer
1 x 5MM Red Led Light
3 x Button
8 x 1K Resistor
6 x 4.7K Resistor
3 x Diode
4 x 9012 Audion
1 x 10UF Electrolytic Capacitor
2 x 22P Ceramic Capacitor
1 x 12M Crystal Oscillator
1 x Self-Locking Push Switch