Internet of Things Based Smart Waste Management System


INTRODUCTION

Due to rapid population growth, disorganization of city governments, a lack of public awareness and limited funding for programs, garbage management is becoming a global problem. Due to the lack of care and attention by the authorities the garbage bins are mostly seem to be overflowing. It has to be taken into care by corresponding authorities and should think what method can be followed to overcome this. In this project smart garbage management system is implemented using sensors, micro controllers and ESP8266 Wi Fi Controller assures the cleaning of dustbins soon when the garbage level reaches its maximum. If the dustbin is not cleaned in specific time, then the record is sent to the higher authority who can take appropriate action against the concerned contractor. This system also helps to monitor the fake reports and hence can reduce the corruption in the overall management system. This reduces the total number of trips of garbage collection vehicle and hence reduces the overall expenditure associated with the garbage collection. It ultimately helps to keep cleanness in the society. Smart collection bin works with the sensors will show us the various levels of garbage in the dustbins and also the weight sensor gets activated to send its output ahead when its threshold level is crossed. The level of dustbin is indicated on the display. PIR sensor check the presence of human being and motion so when a person is coming toward the dustbin it will detect presence of person and it will automatically open. The range is selected 2 to 3 m.  Load cell is a sensor used to check the weight of dustbin sometimes the level is not full but the heavy garbage is placed in it due to which the dustbin may get damage to avoid this we used load cell. In some case the value of level sensor and load cell is not changed but still garbage is drop at that time the buzzer will sounds. Sometimes some poisonous gases are developed in the dustbin which are hazardous for human health these gases are detected by gas sensor and it will sprinkle the baking soda. Ultrasonic  sensors  are  used  for 
distance  measuring  applications.  These  gadgets regularly transmit a short burst of ultrasonic sound to a  target,  which  reflects  the  sound  back  to  the  sensor. The  system  then  measures  the  time  for  the  echo  to return to the sensor and computes the distance to the target using the speed of sound within the medium. 

Block Diagram



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