DESIGN OF WATER TLOWER MEASURING Tools Using Photodioda Sensors With Arduino -Based LCD Display

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Introduction

Water quality is a crucial aspect that requires consideration, especially in relation to consumption safety. One essential parameter in assessing water quality is the level of turbidity. Good water for consumption, as per Government Regulations through the Indonesian Ministry of Health, must have a maximum turbidity level of 5 NTU (Nephelometric Turbidity Unit) based on the Republic of Indonesia Ministerial Regulation Number 907 of 2002 and Number 416 of 1990 concerning Terms and Supervision of Water Quality. In this context, we have designed and developed Arduino-based water turbidity measuring devices. This tool utilizes photodiodes as sensors and LEDs as a light source to measure the level of water turbidity, while the measurement results are displayed through the LCD screen.

Working Components and Principles

This water turbidity measuring instrument employs several key components that are integrated to provide accurate results. The main components of this tool include:

Arduino Uno

As the brain of this tool, Arduino Uno functions to process data received from the sensor. The Arduino Uno is a microcontroller board that is widely used in various applications, including robotics, automation, and IoT projects. Its ease of use and flexibility make it an ideal choice for this project.

Photodiode

As a sensor that detects light that is hampered by particles in water, the photodiode plays a crucial role in measuring the level of turbidity. The more particles contained in the water, the higher the level of turbidity, thereby reducing the amount of light received by the photodiode.

LED

Functions as a source of light that will be emitted into water. This light will be hindered by dirty particles in water, providing valid reading related to turbidity level.

LCD Screen

The LCD screen is used to display the measurement results, providing a clear and concise representation of the turbidity level.

The working principle of this tool is quite simple: LED emits light into the water, and photodiode detects the amount of light that successfully passes through the water. This data is then processed by Arduino to produce turbidity in the form of voltage, which is then displayed on the LCD screen. The measurement results show that the higher the level of turbidity of the water, the higher the voltage produced.

Analysis and Benefits

This Arduino-based water turbidity measuring device has several benefits. First, this tool provides an efficient and accurate way to measure water quality, which is very important for public health. With this tool, water quality testing can be done independently and periodically, so that people can be more proactive in maintaining the health of their drinking water.

Second, the use of simple technologies such as Arduino and other electronic components makes this tool easily produced and further developed. This allows an increase in the ability of tools, such as the addition of other sensors for additional water quality parameters, such as pH or heavy metal content.

Third, this tool can be used on various scales, from use in the household for daily needs to industrial applications for large amounts of water quality control.

Conclusion

The design and manufacture of Arduino-based water turbidity measuring devices is a positive step in increasing awareness of the importance of water quality. By utilizing relatively easily accessible technology, we can make a real contribution to the community in maintaining the health of the water they consume. This tool does not only function as a gauge, but also as an educational tool that can increase community understanding of the importance of maintaining water quality.

Future Work

There are several areas that can be explored in the future to improve the accuracy and functionality of this tool. Some of these areas include:

  • Adding other sensors: Adding sensors for other water quality parameters, such as pH or heavy metal content, can provide a more comprehensive understanding of water quality.
  • Improving the user interface: Improving the user interface of the tool can make it easier to use and understand the measurement results.
  • Developing a mobile app: Developing a mobile app that can connect to the tool and provide real-time measurement results can make it easier to access and understand the measurement results.

Q: What is the purpose of the water turbidity measuring device?

A: The primary purpose of the water turbidity measuring device is to measure the level of turbidity in water, which is an essential parameter in assessing water quality. The device uses a photodiode sensor and an LED light source to detect the amount of light that passes through the water, providing a clear and concise representation of the turbidity level.

Q: How does the device work?

A: The device works by emitting light from the LED into the water, which is then detected by the photodiode sensor. The amount of light that passes through the water is directly proportional to the level of turbidity. The device then processes this data using the Arduino microcontroller and displays the measurement results on the LCD screen.

Q: What are the benefits of using this device?

A: The device provides several benefits, including:

  • Efficient and accurate measurement: The device provides an efficient and accurate way to measure water quality, which is essential for public health.
  • Easy to use: The device is easy to use and requires minimal maintenance.
  • Cost-effective: The device is cost-effective and can be easily produced and further developed.
  • Scalable: The device can be used on various scales, from household to industrial applications.

Q: What are the limitations of the device?

A: The device has several limitations, including:

  • Limited accuracy: The device may not provide accurate results in certain situations, such as high levels of turbidity or the presence of suspended solids.
  • Limited range: The device may not be able to measure turbidity levels beyond a certain range.
  • Dependence on light source: The device relies on the LED light source, which may not be reliable in certain situations.

Q: Can the device be used in different environments?

A: Yes, the device can be used in different environments, including:

  • Household: The device can be used in household settings to measure the turbidity of drinking water.
  • Industrial: The device can be used in industrial settings to measure the turbidity of water used in various processes.
  • Laboratory: The device can be used in laboratory settings to measure the turbidity of water samples.

Q: How can the device be calibrated?

A: The device can be calibrated by adjusting the sensitivity of the photodiode sensor and the LED light source. This can be done by adjusting the gain of the photodiode sensor and the intensity of the LED light source.

Q: Can the device be connected to a computer or mobile device?

A: Yes, the device can be connected to a computer or mobile device using a USB cable or a wireless communication protocol. This allows for real-time data transfer and analysis.

Q: What are the future prospects of the device?

A: The device has several future prospects, including:

  • Improving accuracy: The device can be improved to provide more accurate results in various situations.
  • Adding new features: The device can be modified to include additional features, such as pH or heavy metal content sensors.
  • Developing a mobile app: A mobile app can be developed to connect to the device and provide real-time measurement results.