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1. Different Types of Sensors and
their Applications
Different Types of Sensors and
their Applications

2. Table Of Contents
Introduction
Need of Sensor
Types of Sensor
. Touch Sensor
. LDR Sensor
. Smoke and Gas Sensor
Advantage and Disadvantage
Application

3. A sensor is a device that detects and
responds to some type of input from the
physical environment. The input can be
light, heat, motion, moisture, pressure or
any number of other environmental
phenomena.
Introduction

4. Need of Sensor
Sensors play a crucial role by detecting and
measuring a variety of parameters such as
temperature, pressure, humidity, flow rate,
motion, and position. They convert physical
signals into electric signals and provide
information in real-time to the control
system, thereby making production
intelligent and automated.

5. Types of Sensor
. Touch Sensor
. LDR
. Smoke and Gas Sensor

6. A touch sensor is a type of device that
captures and records physical touch or
embrace on a device and/or object. It
enables a device or object to detect touch
or near proximity, typically by a human
user or operator
A touch sensor is a type of device that
captures and records physical touch or
embrace on a device and/or object. It
enables a device or object to detect touch
or near proximity, typically by a human
user or operator
Touch Sensor
Touch Sensor

7. LDR (Light Dependent Resistor) is a
special type of resistor that works on the
photoconductivity principle means that
resistance changes according to the
intensity of light. Its resistance
decreases with an increase in the
intensity of light.
LDR (Light Dependent Resistor) is a
special type of resistor that works on the
photoconductivity principle means that
resistance changes according to the
intensity of light. Its resistance
decreases with an increase in the
intensity of light.
LDR
LDR

8. Smoke and gas sensors are electronic
devices that detect the presence of smoke
or gas in the air. They are essential for
safety in homes and businesses as they
trigger an alarm to warn occupants of a
potential hazard, giving them time to
evacuate safely.
Smoke and gas sensors are electronic
devices that detect the presence of smoke
or gas in the air. They are essential for
safety in homes and businesses as they
trigger an alarm to warn occupants of a
potential hazard, giving them time to
evacuate safely.
Smoke and Gas Sensor

9. Advantage
Advantage
Smoke and Gas sensor
. Early warning of fire
. Saves lives and property
. Detects hazardous gas leaks
LDR
Touch Sensor
. Sensitivity is high
. LDR use in variety projects.
. Its connection is simple
. High responsiveness
. Doesn’t require pressure
. Support for multi-touch

10. Disadvantages
Disadvantages
Smoke and Gas sensor
LDR
Touch Sensor
. Doesn’t work with gloves or stylus
. higher cost
. Limited sensing capabilities
. Limited sensing capabilities
. May not detect all types of gases
. Requires power source

11. Application
Application
Smoke and Gas sensor
LDR
Touch Sensor
. Street Lighting
. Laser-based security systems.
. Fire Alarm Systems
. Air Quality Monitoring
. Home Appliances
. Industrial Automation

12. Conclusion
The ideal sensor for a particular application depends on the
specific parameter you want to measure and the desired
level of accuracy, response time, and cost. Consider factors
like the operating environment, sensitivity requirements,
and power limitations when selecting a sensor.

13. Thank You
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