Power Tools and Electronics

How chips, sensors, radios, and batteries share one slab

How does a Smartphone work?

See how a smartphone combines chips, radios, cameras, sensors, and battery systems into one pocket-sized computer.

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Pocket-sized audio built from radios, batteries, and miniature speakers

How does a Wireless Earbuds work?

Learn how wireless earbuds combine tiny speakers, batteries, radios, and charging cases into pocket-sized audio gear.

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How lenses, sensors, and image processors turn light into pictures

How does a Digital Camera work?

See how a digital camera converts light into data through lenses, sensors, processors, and storage.

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Battery power, trigger control, and geared torque in one workshop staple

How does a Cordless Drill work?

Learn how a cordless drill turns battery power, trigger control, and geared torque into a versatile everyday tool.

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Pocket-sized solid-state memory moving files through USB

How does a USB Flash Drive work?

Learn how a USB flash drive stores files in solid-state memory and transfers them through a compact USB interface.

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Light, optics, and image chips turning any wall into a screen

How does a Portable Projector work?

Understand how a portable projector combines light, optics, imaging chips, and speakers to create a screen almost anywhere.

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A spring, gears, and escapement keeping time without electronics

How does a Mechanical Wristwatch work?

Learn how a mechanical wristwatch uses a wound spring, gear train, and escapement to measure time without a battery.

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Cameras, microphones, and connected alerts for nursery watchfulness

How does a Smart Baby Monitor work?

Learn how a smart baby monitor combines cameras, microphones, sensors, and connected alerts to help watch over a nursery remotely.

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Cameras, motion detection, and instant alerts at your front door

How does a Smart Motion Doorbell work?

Understand how a smart motion doorbell combines cameras, motion detection, microphones, and alerts to watch your front door.

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Battery power and rapid sanding motion smoothing surfaces without a cord

How does a Cordless Electric Sander work?

Learn how a cordless electric sander uses battery power and fast pad motion to smooth surfaces without a cord.

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Tiny drivers and magnets turning signals into close-up sound

How does a Headphones work?

See how headphones turn electrical audio signals into sound using tiny drivers, magnets, and moving diaphragms.

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Video capture, motion sensing, and recorded footage watching over the home

How does a Home Security Camera work?

Understand how a home security camera captures video, senses motion, and sends footage to local or cloud storage.

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Cameras and alerts turning a backyard feeder into a watch post

How does a Smart Bird Feeder work?

Learn how a smart bird feeder combines cameras, sensors, and alerts to identify visitors and monitor activity at the feeder.

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Wide-angle video and connected alerts watching over a garage entry

How does a Smart Garage Security Camera work?

See how a smart garage security camera uses wide-angle video, motion sensing, and connected alerts to watch over an entry point.

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Microphones, cloud assistants, and speakers in one listening hub

How does a Smart Speaker work?

Learn how a smart speaker combines microphones, cloud assistants, wireless radios, and speakers into one always-ready device.

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Ultraviolet light and charging combined inside a closed sanitizing chamber

How does a UV Phone Sanitizer work?

Learn how a UV phone sanitizer uses ultraviolet light inside an enclosed chamber to expose device surfaces while charging.

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Battery backup that cuts in fast when mains power drops out

How does an Uninterruptible Power Supply (UPS) work?

Learn how a UPS switches to battery power instantly to keep electronics running through outages and voltage dips.

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LED light, optics, and rechargeable power helping riders stay visible

How does a Battery-Powered Bike Light work?

See how a battery-powered bike light uses LEDs, lenses, and rechargeable cells to keep riders visible on the road.

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A compact motor and gearbox driving screws with less hand effort

How does a Cordless Electric Screwdriver work?

Understand how a cordless electric screwdriver uses a small motor and gear reduction to drive screws with less manual effort.

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Quartz timing and simple electronics keeping alarms dependable

How does a Digital Alarm Clock work?

See how a digital alarm clock uses a quartz crystal and simple electronics to keep time and trigger alarms reliably.

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Page feeding and optical capture turning paper into searchable files

How does a Document Scanner work?

Learn how a document scanner feeds pages past sensors and light sources to turn paper into searchable digital files.

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Thermal printing and label feed rollers creating clear adhesive tags fast

How does a Label Printer work?

See how a label printer uses thermal printing or ink ribbon transfer to create clear adhesive labels on demand.

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Individual switches giving each keypress a distinct feel and response

How does a Mechanical Keyboard work?

Understand how a mechanical keyboard uses individual spring-loaded switches to register keypresses with distinct feel and sound.

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Soil sensing electronics helping you water plants at the right time

How does a Plant Moisture Sensor work?

Learn how a plant moisture sensor measures soil conditions and helps guide watering before roots dry out.

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