Informasi Dokumen
- Sekolah: University
- Mata Pelajaran: Electrical Engineering
- Topik: Power Supply Adjust 12 Volt, 10a Menggunakan Sensor Acs712 Berbasis Atmega8
- Tipe: Graduation Project
- Tahun: 2016
- Kota: Yogyakarta
Ringkasan Dokumen
I. Overview
This document outlines the design and implementation of a 12V, 10A adjustable power supply utilizing the ACS712 current sensor and the ATmega8 microcontroller. The aim is to create a reliable power source suitable for various electronic applications that require specific voltage and current adjustments. The significance of this project lies in its ability to provide a stable power supply, which is critical for the operation of sensitive electronic devices. The application of this power supply can be found in laboratories, testing environments, and various electronic projects where precise voltage and current control is essential.
II. Technical Specifications
The power supply operates at an output voltage of 12V and a maximum current of 10A, making it suitable for powering a variety of devices. The system includes an adjustable voltage regulator (LM317) for voltage control, and it incorporates the ACS712 sensor for accurate current measurement. The ATmega8 microcontroller serves as the central processing unit, interfacing with the sensors and displaying data on a 16x2 LCD. The overall design ensures that the output is stable and can be adjusted based on user requirements, with a feedback mechanism to monitor and display voltage and current levels.
III. Practical Applications
This adjustable power supply is particularly useful in educational settings for experiments involving electronics and circuits. It can also be employed in prototyping and testing environments where varying voltage and current levels are required. Additionally, hobbyists and engineers can utilize this power supply for powering LED projects, robotics, and other electronic devices that necessitate precise power management. The integration of the ACS712 sensor allows for real-time monitoring of current, enhancing safety and functionality during operation.
IV. Circuit Design
The circuit design consists of several key components: the LM317 voltage regulator for adjusting the output voltage, the ACS712 current sensor for measuring current, and the ATmega8 microcontroller for processing and displaying data. The power supply circuit is designed to handle loads up to 10A, with appropriate safety measures in place to prevent overload. The schematic diagram illustrates the connections between these components, emphasizing the importance of proper layout and grounding to ensure stability and performance.
V. Conclusion
The development of the 12V, 10A adjustable power supply using the ACS712 sensor and ATmega8 microcontroller represents a significant advancement in power management for electronic applications. The ability to adjust voltage and monitor current in real-time enhances the usability and safety of the power supply. Future improvements could involve incorporating digital control interfaces or expanding the range of adjustable voltages to further enhance versatility. This project not only meets the immediate needs of users but also lays the groundwork for more sophisticated power supply designs.
