Ultrasonic Distance Measurement HC-SR04 Ultrasonic Sensor Based On 8051 Microcontroller

Ultrasonic Distance Measurement HC-SR04 Ultrasonic Sensor Based On 8051 Microcontroller

Ultrasonic distance measuring system using 8051 microcontroller

If u want to measuring a distance usually we are using measuring tape or another tools but this kind of tools having limitations and manuals error and there are many industry where we need to measure a particular distance from object. There areseveral ways to measure distance without human contact like infrared ray, radar, laser but they are very expensive, hence the ultrasound waves can be used for applications in industries/vehicles without hindering human activity.

So here we introduce Ultrasonic distance measuring system which measures the distance of any object by using an ultrasonic module comprising of a transmitter and receiver interfaced to a microcontroller. To get distance of object from current position

Block diagram:-

In the system we used ultrasonic sensors to measure sensors by using pulse echo and phase measurement method and an ultrasonic module is interfaced to the microcontroller, and an ultrasonic transducer comprising of a transmitter and receiver  and it will transmitted the waves.

 If any object is comes under the range that we are set to the transducer then the transmitted waves are reflected back from the object and received by the transducer. The total time taken from sending the waves to the receiving end is calculated by taking into consideration the velocity of the sound. Then, the distance is calculated by a program running on the microcontroller and displayed on an LCD screen interfaced to the microcontroller.

Hardware specification:-

·      8051 series microcontroller

·      ultrasonic transducer

·      LCD

·      LED

·      Power supply

Software specification:-

• MC Programming Language: embedded C
• Keil  version IDE
• Proteus For Circuit & PCB Design

Robotic Vehicle Controlled By Android App using 8051 Based Microcontroller

Robotic Vehicle Controlled By Android App using 8051 Based Microcontroller

Robotic vehicle controlled by android application

Robots are smart machines that can be programmed and used in many areas such as industry, manufacturing, production lines, or health, etc. Today human-machine interaction is moving away from mouse and pen and is becoming pervasive and much more compatible with the physical world. With each new day the gap between machines humans is being bridged with the introduction of new technologies to ease the standard of living.

So here we introduce robotic vehicle controlled by android application system It controls a robotic vehicle from an android application by using Bluetooth technology interfaced to the control unit on the robot for sensing the signals transmitted by the android application and microcontroller operates the robot movements.

Block diagram:-

In the system First the Bluetooth module hc05 will receive the command from the android application blue controland it will give this command to micro-controller for processing. And then the micro-controller will process the command according to the coding whether it is to move the car in left/right/forward or backward direction and Almost every mechanical movement that we see around us is accomplished by an electric motor so the car will move through dc motor as per instructions.

if you press right button then car will move on right directions, if u press down button on application then car will come backward directions. This project can be used as a toy which is controlled by the mobile phone.

Hardware specifications:-

·      8051 Micro-controller

·      Car Chassis 

·      Motor Driver IC

·      LED

·      Wheels

·      Bluetooth device HC-05

Software specifications:-

• MC Programming Language: embedded C
• Keil  version IDE
• Proteus For Circuit & PCB Design
• Simple Android Phone With Installed Application(Blue Control)