Find out about the design and technology of some of the most widely used sensors, such as remote controls, cameras and alarms. Get an in-depth understanding of the basic principles behind each sensor with detailed diagrams and simple experiments. And learn how to make four different types of sensors, including a thermometer, a barometer and a pinhole camera.

This series of books takes you inside the instruments, gadgets and machines that we use in our everyday lives. Learn about how they work and how to make some of them yourself!

This book is part of a book series called How Things Work .

There are 32 pages in this book. This book was published 2015 by Hachette Children's Group .

This book has the following chapters:

• 1: What are sensors?
• 2: Light sensors
• 3: Sensing invisible light
• 4: Sensors in space
• 5: Seeing with sound
• 6: Vibrating solids
• 7: Temperature sensors
• 8: Pressure sensors
• 9: Magnetic sensors
• 10: Make an artificial ear
• 11: Make a pinhole camera
• 12: Make a barometer
• 13: Make a thermometer
• 14: Glossary
• 15: Topic web
• 16: Index