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This project involves designing a sensor control car circuit. The objectives are to design the control circuit and test it using different track configurations. Potential problems encountered include being given the wrong components, faulty tools, and components connected wrongly. The material list, schematics diagram, and Vero-board layout are provided. Soldering and wiring were done with some reworks needed. Circuit testing and measurement were performed to ensure proper functioning. The circuit operation involves the left and right sensors detecting the track and transmitting signals to the control circuit IC chip to provide output to drive the motors accordingly.
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Project work
- 1. Introduction In this project, we got to design a Sensor Control Car. The car itself has the ability to move By following the designed route path. Objectives ● Design the control circuit for the mobile robot. ● Test the completed project using different track configurations.
- 2. Content page ● Introduction ● Material List ● Schematics Diagram And Vero-Board Layout ● Soldering and Wiring ● Circuit Board Testing and measurement ● Circuit Operation ● Problems Encounter
- 4. Problems Encounter ● Wrong Component was given ● Faulty Tools ● VeroBoard Size too small ● Lack of equipments ● Components Connected Wrongly ● Veroboard copper track torn off ● Using Circuit Breaker to cut wrong place ● Soldering not sticking to the copper track ● Losing some small parts items
- 5. Schematics Diagram And Vero-Board Layout Left/Right Sensor Circuit Left/Right Control Circuit
- 6. Soldering & Wiring Everything was done normally, no difficulties except... ● Need to re-do wiring and solder it back ● Re-check the wiring to ensure blockage are available ● To make sure that the connection are connected well and no distortion in between each component The use of Solder & Wire ● Using wire as jumper to connect the components together ● Using Soldering iron & Solder to connect the components together on the veroboard copper track.
- 7. Circuit Board Testing and measurement So how do we Test our Circuit Board to ensure that it's working? ● Using the trainer set and a probe to test the circuit. ● IC chip should not be hot when you are testing your circuit. ● Using a multimeter to check for errors in the circuit Eg : Shockcircuit. ● Making sure that the Sensor Circuit Sense it when you tap it with your fingers. ● Using a multimeter to measure.
- 8. Circuit Operation So how actually the whole circuit works? When the L1,L2 & R1,R2 sensor Circuit Sense the white track, The sensor circuit Will be high. Therefore, it will transmit to the control circuit IC chip and provide output low to pin 10 to on the motor.
- 9. Circuit Operation How Does The Sensor Sense How Does The Motor Works and move Sensing → Signal Conditioning → Controlling → Driving → Mechanical Implementation
- 10. The End