6. Virtual Implementation - P-Division-2024-25-Odd/Repo-09 GitHub Wiki
6. Introduction
Virtual Implementation of the Sine-Cosine Wave Plotter
The sine wave and cosine wave plotter is a motion-based project that uses an ESP32, two DC motors, and one stepper motor to trace sinusoidal and cosinusoidal wave patterns. This system demonstrates the principles of robotic motion control and mathematical wave generation. By synchronizing motor movements with trigonometric functions, the system precisely plots sine and cosine curves.
This project is particularly useful for educational demonstrations, robotics experiments, and mathematical visualization, offering a hands-on approach to understanding waveforms, motor control, and embedded programming.
Why Choose Virtual Implementation?
- Cost Efficiency: Developing a virtual model eliminates the need for physical components during initial stages, reducing material costs.
- Error Mitigation: Virtual testing helps identify potential flaws in logic, circuitry, or mechanical design before building the physical system.
- Iterative Design: Changes to parameters like speed, resolution, or plotting range can be tested instantly in a virtual environment, allowing for rapid iteration.
- Educational Value: Visualizing sine and cosine wave generation in real time provides an intuitive understanding of the mathematical principles and system dynamics.
- Scalability: Virtual environments facilitate integration with advanced features like algorithmic adjustments or machine learning for optimization.
What is Virtual Implementation for the Plotter?
Virtual implementation involves using software tools to simulate the hardware and software components of the sine-cosine wave plotter. This includes:
- Modeling 2D and 3D Parts: Creating precise representations of the components used in the plotter.
- Simulating Movement: Emulating the motion of stepper motors and mechanical linkages.
- Algorithm Visualization: Representing the path traced by the plotting tool based on sine and cosine equations.
- Interfacing Virtual Circuitry: Mimicking microcontroller behavior (e.g., ESP32) to control the virtual hardware.
Benefits of Virtual Implementation Specific to This Project
- Mathematical Accuracy: Allows precise visualization of sine and cosine curves, helping to verify computational algorithms.
- Hardware Emulation: The behavior of stepper motors, servo motors, and power supplies can be tested virtually.
- Integration Readiness: The flowchart, circuit diagram, and software logic can be validated in tandem, ensuring smooth transition to physical assembly.
- Documentation: Comprehensive models and simulations provide a clear roadmap for hardware assembly, reducing ambiguity.
What Makes the Sine-Cosine Wave Plotter Special?
This project showcases the harmonious blend of mathematics and engineering. By leveraging trigonometric functions to guide precision movements, it illustrates the practical applications of abstract mathematical concepts. Through virtual implementation, we ensure that the transition from theory to practice is seamless, efficient, and effective, creating a solid foundation for further innovations.
The virtual implementation not only saves time and resources but also empowers developers to push the boundaries of design and functionality before engaging in physical prototyping.
6.1 2D Sketches of All Parts
TOP VIEW
SIDE VIEW
6.2 3D Modelling
6.2.1 3D Parts
6.2.2 3D Assemblies
6.2.3 Final Model
6.3 Circuit Diagram
6.4 Flow Chart
6.5 Bill Of Materials
| Sl.No | Part Name | Specifications | Quantity |
|---|---|---|---|
| 1 | ESP32 | Operating voltage: 3.3V, 5V + Clock speed: 240MHz + SRAM: 520KB + EEPROM: 4KB | 1 |
| 2 | EasyDriver - Stepper Motor Driver | Adjustable current control: 150mA/phase to 750mA/phase + Power supply range: 6V to 30V | 2 |
| 3 | Stepper Motor (NEMA 17) | Size: 42.3mm square × 48mm, Weight: 350g, Shaft diameter: 5mm, Steps per revolution: 200, Holding torque: 3.2 kg-cm | 2 |
| 4 | Wall Adapter Power Supply | 12VDC 2A | 1 |
| 5 | USB Cable A to B | - | 1 |
| 6 | Breadboard | Large | 1 |
| 7 | Jumper Wire Pack - M/M | - | 2 |
| 8 | Male Headers Pack (Break-Away) | - | 1 |
| 9 | SS304 Threaded Rod M8 Brass Round Flange Single Nut | 10mm OD, 315mm length, 1.25mm pitch | 2 |
| 10 | EN31 Rustproof Steel Smooth Rod | 5mm OD, 300mm long | 4 |
| 11 | SK8 Linear Rail Shaft Axis Clamping Guide End Support For XYZ Axis | 10mm Bore diameter | 2 |
| 12 | KP08 Rail Mount Bore Ball Bearing Block Mounted Pillow Insert Bearing | 10mm Bore diameter | 2 |