Implementation Of Trash Removal System In Water Bodies

Categories: Water Pollution

India is a holy country and there is a lot of offense of increasing water pollution due to the accumulation of plastics and other trash during festivals and other occasions. Mainly the trashes in the water bodies is reclassified into dumping and floating trash. The overflow of garbage inner side creatunhygienicnic conditions in the nearby surroundings. The floating bodies on the river water will cause a severe problem to the environment and is a big risk to the future. These floating wastes will not be dissolved easily in water.

Here we designed a system for removing the floating trash, which works on the solar power and is operated with the help of jet pumps we additionally use the gear motor for absorbing the oil which is floating on the surface of the water. The above functions are controlled using the PIC microcontroller. The major advantage of the project is that the people of the control station need not have to go to every nook and corner to clean wastes, instead can monitor from one end easily.

Finally, the water bodies will be free of all floating wastes, and the sanity of the river, and its dependent living beings will be safeguarded.

Keywords: 44 PIC microcontroller, DC gear motor, RF sensor’s pair, Flow sensor, Wireless camera, LCD.       

Introduction: The ‘trash removal system’ used in water bodies is designed to clear the wastes that are resent in lakes, ponds, rivers,  etc. The major role of this system is that it doesn’t nemanpowerwto clean up.

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It will decrease the difficulties we faced in cleaning the trash in water bodies. This helps in the reduction of water pollution.

There is a universal reverence for water in almost all of the major religions of the world. Most religions believe water is “holy”. The purity of such water, the belief in its known historical and unknown mythological origins, and the inaccessibility of remote sources elevate its importance even further.  The reasons for this are the discharge of a substantial amount of industrial effluents in the river, domestic waste, es, and other activities.

The floating bodies on the river water will cause a severe problem to the environment and it is a big risk to the future. These floating bodies do not dissolve easily in water. So these unwanted suspended particles will cut off the oxygen exchange between the water and e atmosphere, hence the deficiency of oxygen in water directly affects life.  These floating bodies are responsible for carrying the harmful pathogens from one area to another area, by creating the pathogenic colonies causing the problems like Diarrhoea, cholera, and other health diseases. .  Also the oil spill caused due to the explosion of oil barrels while exporting and importing the oils and petroleum, etc. It will directly afaffecthe aquatic life of animals and fishes. Hence we are in a need to clean up the oil which is floating on the river to safeguard the aquatic lives.

The above criteria are responsible for unbalancing the ecological conditions of nature. Hence to overcome these problems, our project aims to efficiently clean them.

Components: The following section, gives details about the components used in this project. The main components used in this project are 44 PIC microconmicrocontrollerssplay, RF sensor pairs, DC gear motor, flow sensor, and wireless camera.

Pic microcontroller

PIC is a family of Harvard architecture microcontrollers made by Microchip Technology, derived from the PIC1650 originally developed by General Instrument’s Microelectronics Division. The name PIC initially referred to ‘Peripheral Interface Controller’.

PICs are popular with both industrial developers and hobbyists alike due to their low cost, wide availability, large user base, extensive collection of application notes, availability of low-cost or free development tools, and serial programming (and re-programming with flash memory) capability.

Peripheral features:

  • Timer0: 8-bit timer/counter with 8-bit Prescaler
  • Timer1: 16-bit timer/counter with prescaler, can be incremented during Sleep via external crystal/clock
  • Timer2: 8-bit timer/counter with 8-bit period register, Prescaler and postscaler
  • Two Capture, Compare, PWM modules
  • Capture is 16-bit, max. Resolution is 12.5 ns
  • Compare is 16-bit, max. Resolution is 200 ns
  • PWM max. Resolution is 10-bit
  • Synchronous Serial Port (SSP) with SPI™ (Master mode) and I2C™ (Master/Slave)
  • Universal Synchronous Asynchronous Receiver Transmitter (USART/SCI) with 9-bit address detection
  • Parallel Slave Port (PSP) – 8 bits wide with external RD, WR, and CS controls (40/44-pin only)
  • Brown-out detection circuitry for Brown-out Reset (BOR)


Liquid Crystal Display (LCD) is used to display the message when floating wastes are detected. The LCD will be activated by the Renesas microcontroller when the infrared sensor sends the signal to it. LCD (Liquid Crystal Display) screen is an electronic display module and find a wide range of applications. A 2×16 LCD is a very basa ic module and is very commonly used in various devices and circuits. These modules are preferred over seven segments and other multi-segment LEDs. The reasons being: LCDs are economical; easily programmable; have no limitation of displaying special & even custom character animations.

RF Sensors

Accepts serial data of 9600 bps for transmission by 433 Mhz frequency. It is a low-cost way to transmit one-way serial data, suitable for remote viewing on PC or LCD and such data logging applications. RF receiver for this data logger which outputs serial data can be purchased separately from us.


  • Low Cost & Easy to Use
  • Direct interface with MCU TXD pins
  • LED indicates Active Data Transmission
  • On-Board Antenna
  • Accepts 9600 bps serial data


  • Telemetry Applications
  • Remote Data Logging & Viewing
  • Wireless Display of Sensor Readings on PC or LCD

Flow sensor

When the amount of collected wastes increases, the speed of flow of water decreases. Using a flow sensor, this can be detected waterer flow sensor consists of a plastic valve body, a water rotor, and a hall-effect sensor. When water flows through the rotor, the rotor rolls. Its speed changes with differratesrate of flows. The hall-effect sensor outputs the corresponding pulse signals

When water flows through the rotor components, the magnetic rotor rotates, and speeds along with the flow of a linear change. The water flow sensor fundamentally solves the differential water-gas valve flap-type high pressure and start water valve easy misoperation appear dry and shortcomings.

It has reflected sensitive, long service life, action quick, safe and reliable, joins convenient traffic advantages such as the start low, deeply the general user affection.

Gear motor

A gear motor is a specific type of electrical motor that is designed to produce high torque while maintaining a low horsepower, or low speed, motor output. Gear motors can be found in many different applications, and are probably used in many devices in your home.

Gear motors are commonly used in devices such as can openers, garage door openers, washing machine time control knobs, and even electric alarm clocks. Common commercial applications of a gear motor include hospital beds, commercial jacks, cranes, and many other applications that are too many to list.


  1. Voltage: 12.0VDC
  2. Output Speed: 200 +/- 10% RPM
  3. No-Load output current: =< 50 mA
  4. Rotation Output: CW / CCW
  5. Noise: No Gear Noise

Camera applications:

  • Measure height, width, diameter, thickness
  • Locate objects, lines, edges, gaps, and holes.
  • Count items; measure conveyor coverage.
  • Determine volume, and pe, orientation.
  • Read simple barcodes.
  • Learn the principles of machine vision.

Power supply unit

There are many types of power supply. Most are designed to convert high voltage AC mains electricity to a suitable low voltage supply for electronics circuits and other devices. A power supply can be bbebe broken into a series of blocks, each of which performs a particular function.

Solar panel

The principle is quite simple: you take the inexhaustible energy of the sun and turn it into electricity with the help of a Eurosolar system. The resulting solar-generated electricity is then fed into the local grid; meaning that, in effect, you supply power to the power supplier.

The main incentive, but for the photovoltaic system is now in the form of recovery by the government to generate energy. The tariff of energy offers a fixed-rate income tax-free in the PV. In addition, you can help stop climate change by reducing CO2 emissions and therefore, your carbon footprint.


A relay is an electrically operated switch. Many relays use an electromagnet to operate a switching mechanism mechanically, but other operating principles are also used. Relays are used where it is necessary to control a circuit by a low-power signal (with complete electrical isolation between control and controlled circuits), or where several circuits must be controlled by one signal. The first relays were used in long-distance telegraph circuits, repeating the signal coming in from one circuit and re-transmitting it to another. Relays were used extensively in telephone exchanges and early computers to perform logical operations.

A type of relay that can handle the high power required to directly control an electric motor or other loads is called a contactor. Solid-state relays control power circuits with no moving parts, instead of using a semiconductor device to perform switching. Relays with calibrated operating characteristics and sometimes multiple operating coils are used to protect electrical circuits from overload or faults; in modern electric power systems these functions are performed by digital instruments still called ‘protective relays’.

When a coil of wire is wound on a nonmagnetic material such as plastic, paper, etc., it is called an air-core solenoid or simply a solenoid. if a soft iron core is inserted into the coil, it becomes an electromagnet. This electromagnet is the basic component for relay and many other electromechanical devices such as an electric bell, circubreakersker, etc,

SPDT – Single Pole Double Throw

DPST – Double Pole Single Throw

DPDT – Double Pole Double Throw

PDT – Quadruple Pole Double Throw

Future scope

  • The proposed system can also be used as a rescue system the safeguard human lives.
  • This system will clean the floating trashes present on water bodies in an effective manner.
  • This system will be expanded in the future with increased motor capacity and bigger size to collect more trashes.
  • It is more convenient by adding various sensors for its purpose.


  • In the olden days, this is done by various methods which consume more time and human needs.
  • This is eliminated by the implementation of this project.
  • The problems we are facing to clean up the trashes will be reduced and by improving this, it will be more efficient.
  • As this idea is a motivational concern towards the government and society.


  1. “Sensor unit for waste management: A better method for frequent data updating system”. Publisher-IEEE Authors- Waikhom Reshmi, Ram Kumar Sundaram, and M. Rajeev Kumar Year of publishing- November 2014.​
  2. A Smart Waste Management With Self Describing objects Authors-Yann Glouche, Paul Coudere. ​
  3. Apparatus and system for treating wastewater and sludge Authorjohn Honduras.
  4. The ocean plastic pollution challenge: towards solutions in the UK Authors-Dr.Erik Van Sebille, Dr.Charikleia Spathi and Alyssa Gilbert
  5. An approach for monitoring and smart planning of Urban Solid Waste Management using the Smart-M3 platform. Authors-Vincenzo Catania,Daniela Ventura
  6. Chen PeijiangXuehua, ”Design and Implementation of Remote Monitoring System Based on GSM”,2008 IEEE Pacific-AWorkshopshop on Computational Intelligence and Industrial Application.​

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Implementation Of Trash Removal System In Water Bodies. (2022, Jun 09). Retrieved from

Implementation Of Trash Removal System In Water Bodies
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