Sensors for checking whether there is any dirt on the floor

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Various sensors can be utilized to detect dirt on floors, with the Piezoelectric sensor being one example used in devices like the Roomba. Other potential sensors include optical sensors, which can identify dust and debris based on light reflection, and capacitive sensors, which can detect changes in capacitance caused by particles. The discussion emphasizes the need to define "dirty" in terms of particle density and size for effective sensor application. Understanding the specific requirements of the cleaning device is crucial for selecting the appropriate sensor technology. Overall, the conversation highlights the importance of sensor choice in enhancing the efficiency of robotic cleaning systems.
Hareesh Venkatraan
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Hello guys. Is there any sensors to check if the floor is dirty.For Example, the roomba room cleaner bot uses Piezoelectric sensor to check if the floor is dirty. What other sensors can be used for this same purpose?

Thank you.
 
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Hareesh Venkatraan said:
Hello guys. Is there any sensors to check if the floor is dirty.For Example, the roomba room cleaner bot uses Piezoelectric sensor to check if the floor is dirty. What other sensors can be used for this same purpose?

Thank you.
Can you define dirty? (like particle density, particle size, presence of bacteria...) What is the application? Is this question for schoolwork?
 
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berkeman said:
Can you define dirty? (like particle density, particle size, presence of bacteria...) What is the application? Is this question for schoolwork?
any particles on the floor,like sand,dust,etc,. It is for a room cleaner ,which cleans if it detects dirt/dust.
 

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