
Explore sensors and their working principle, learn how to connect them, and review types available in the market, including temperature and speed sensors for industrial and electronics control.
Explore how a sensor captures an input signal, the processor analyzes it, and drives output through a receiver, with analog standards and a digital encoder for temperature, speed, and flow-rate.
Learn how a thermocouple measures temperature using two dissimilar metal wires joined at hot and cold junctions to generate a small voltage read by a meter.
Explore resistance type sensors that convert temperature into resistance changes using platinum and semiconductor elements, with ranges from -200 to 400 C and -20 to 120 C.
Explore liquid expansion and vapor pressure sensors, including how pressure relates to temperature, using mercury or evaporating fluids in a thermal meter with a sensor head and gauge.
Explore how two metals joined in a strip bend when heated due to different expansion rates, enabling dial readouts and use in thermostats and alarms.
Shows that a glass thermometer forms a complete system: bulb as sensor, liquid column and scale as processor and indicator, with mercury for hot and alcohol for cold.
Discover how pressure sensors convert pressure into mechanical movement or electrical output, and learn about bourdon tubes, springs, pistons, bellows, and capsules with gauges on dials.
Explain how a bourdon tube, a hollow elliptical tube, bends under pressure difference to move a linkage and drive a scale pointer, and connect to an air nozzle or transducer.
A piston-type pressure gauge uses direct pressure on a piston balanced by a spring; the window indicates the pressure, and movement can convert to an electrical signal for hydraulic systems.
Explore capsules and bellows as thin-metal structures that expand under pressure to produce mechanical movement and a dial-readable reading. These sensors suit small pressures and cannot measure high pressure.
Expand slightly under small pressure, diaphragms transmit movement via a mechanical linkage to a pointer for low-pressure readings; they are thin rubber layers.
Explore electrical pressure transducers that convert mechanical movement into electrical signals, focusing on string gauge type, basal electric type, and other electric effects, with string gauge widely used.
Explore strain gauge types and how a fixed element on a surface changes electrical resistance when strained, producing a voltage reading as pressure bends a diaphragm.
Explore piezoelectric types: crystalline materials that generate electric charge under mechanical stress and convert it to voltage, used in pressure transducers, record players, microphones, and ignition spark.
Optical types use a light beam and a photosensitive receiver to generate pulses with each shaft revolution, which are counted over time to derive speed.
Explore magnetic pickups and tachometers, learn how inductive coils and magnets generate pulses from rotating bodies, and convert pulses into speed via AC frequency or DC voltage.
Explore positive displacement flow meters, where shaft rotation yields a precise fluid quantity. Examine machine growth or type, loop type, and spiral gear configurations and how speed indicates flow.
Explore inferential type meters, including turbine type and rotating vane type, which infer flow from rotor speed and measure flow rate by counting pulses.
Master variable area flow meters, including floor type and tapered plug designs, and learn how a moving float or plug balances pressure and weight to indicate flow rate.
Explore differential pressure flow meters, including venturi and nozzle types, and learn how delta P relates to flow via Q = K (delta P)^0.5, with 4–20 mA or pneumatic outputs.
Explore the three main force sensor types—mechanical, hydraulic, and string gauge—and how spring deflection, fluid pressure, and strain convert force into measurable signals.
Learn how resistive type position sensors use a potentiometer with a sliding contact and variable resistance to output voltage proportional to position for linear and rotary motion.
Explore optical position sensors, including linear encoders with a transparent stripe and rotary encoders that provide incremental or absolute measurements through light, stripes, and rings.
Inductive position sensors use a linear variable differential transformer with a primary coil and secondary coils around a movable magnetic core; core position alters voltages to produce a dc output.
Discover how depth gauges measure liquid and powder levels in tanks using ultrasonic level gauges, bubbler systems, and pressure gauges, with outputs in electrical and pneumatic forms.
Learn Everything There is to Know About Sensors, How They Work, How to Interface Them, and Why We Need Them in Our Life
Welcome to this course. More than 40 sensors are explained in full detail. See the list below.
Learn Sensors Interfacing and Working Principle Today
Why You Should Take This Course:
Learn everything there is to know about sensors.
Understand how they work and what interfaces make a good sensor.
Discover why we need sensors in our daily lives.
Gain knowledge on how to interface a sensor with programming and electronics.
This course will teach you how sensors work, what they measure, how they measure it, and what the actual working principle for sensors is.
Different Types of Sensors Covered in This Course:
Temperature Sensors
Pressure Sensors
Force Sensors
Position Sensors
Speed Sensors
Depth Sensors
Flow Sensors
You will learn why sensors have standard output ranges and which sensors to buy. Everything is explained in full detail.
A List of Sensors and Subcategories Covered in This Course:
TEMPERATURE TRANSDUCERS
Thermocouples
Resistance Type Sensors
Liquid Expansion and Vapor Pressure Sensors
Bimetallic Types
Glass Thermometer
Mechanical PRESSURE TRANSDUCERS
Bourdon Tube
Piston Type
Capsules and Bellows
Diaphragms
ELECTRICAL PRESSURE TRANSDUCERS
Strain Gauge Types
Piezoelectric Types
Other Electric Effects
SPEED TRANSDUCERS
Optical Types
Magnetic Pickups
Tachometers
FLOW METERS
Positive Displacement Types
Lobe type or meshing rotor
Inferential Types
Turbine rotor types
Rotating vane types
Variable Area Types
Float type (Rotameter)
Tapered plug type
Fluted Spiral Gear
Differential Pressure Flow Meters
Orifice Meters
Venturi Meters
Nozzle Meters
FORCE SENSORS
Mechanical Types
Hydraulic Types
Electrical Strain Gauge Types
POSITION SENSORS
Resistive
Optical
Linear
Rotary
Inductive
Depth Gauges
Ultrasonic Sensor
Pressure-based Depth Gauge
STRAIN GAUGES
After this course, you will be able to recognize any sensor and understand the actual working principle behind the plastic casing that most sensors have. Everything is explained in detail.
User Testimonials: "This course provided a comprehensive understanding of sensors and their applications. A must-take for anyone interested in electronics!" - Emma T.
"A great course that covers a wide range of sensors with practical examples. Highly recommend!" - David P.
Author Bio: Ashraf is an educator, Mechatronics engineer, electronics and programming hobbyist, and Maker. As a Chief Educational Engineer since 2007 at Educational Engineering Team, the company he founded, Ashraf’s mission is to explore new trends and technology and help educate the world. With over 250,000 students from around the world, Ashraf’s online courses have helped many to kick-start their careers in the industry.
Call to Action: Enroll now to master the knowledge of sensors and enhance your skills in electronics!
FAQ: Q: Do I need prior experience in electronics to take this course? A: No, this course is designed for all levels.
Q: Will I need to buy additional equipment? A: The course provides a list of necessary sensors, all of which are affordable and easily accessible.
What You Will Learn
Understand the basics of various sensors
Learn how to interface sensors with microcontrollers
Explore the working principles of different types of sensors
Gain practical knowledge in using sensors for various applications
Who Is This Course For
Electronics enthusiasts
Hobbyists interested in sensors
Beginners in electronics
Anyone looking to understand sensors and their applications
Requirements
A computer with internet access
Basic understanding of using a computer
No prior electronics experience needed
About the Instructor
Educational Engineering Team
Team of skilled Engineers Sharing Knowledge with the World
Educational Engineering Team is a leading team in the Microcontroller Industry, with over 13 Years of Experience in teaching and doing practical projects. They strive to provide deep, hands-on experience in their courses, offering step-by-step blueprints on various topics.
Ashraf is an educator, Mechatronics engineer, electronics and programming hobbyist, and maker. He has been the Chief Educational Engineer at Educational Engineering Team since 2007, and his mission is to explore new trends and technology to help educate the world. His online courses have helped over 250,000 people worldwide to build successful careers.
Educational Engineering Team offers courses on:
Circuit Design, Simulation, and PCB Fabrication
Arduino, PIC Microcontroller, and Raspberry Pi
Programming in C, Python, and other programming languages
PLC Industrial Programming and Automation
3D Design and Simulation
ESP and IoT World