Lifestyle / Bizarre

20 Interesting DIY Electronics

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Split image: Left shows a cluttered electronics workstation with a CRT monitor, circuit boards, and wires. Right shows a custom-built wooden flight simulator chair with screens and controls in a bright room.

Electronics don’t have to be complicated or costly to be exciting. With a handful of components and a willingness to experiment, anyone can turn simple ideas into working projects. DIY electronics are where creativity meets problem-solving, offering a hands-on way to explore how everyday technology actually works.

Each project encourages learning through building, with plenty of room for customization and experimentation. From basic circuits to smart little gadgets, these ideas are sure to spark curiosity. Let’s dive into 20 interesting DIY electronics.

1. “I gave my electric flyswatter a bit of an upgrade.”

A yellow electric fly swatter with a black handle is lying on a black surface. The handle has blue cylindrical attachments, and part of a pink object is visible in the corner.
homelesshyundai/VIA Reddit.com

2. He was tired of buying compressed air

A handheld Ryobi power tool modified with a fan and nozzle attachment on top, sitting on a cluttered desk near a computer monitor, camera, and various electronic items.
divzro/VIA Reddit.com

3. They forgot their computer charger at home, so they had to improvise

Two oscilloscopes probes are attached to a laptop’s ports. The bottom half is a thermal image showing temperature readings, with the probes and connections highlighted in bright colors indicating heat spots.
rl_95/VIA Reddit.com

4. “I built an E-bike battery from 130 disposable vape cells.”

A homemade battery pack with multiple cylindrical cells connected by wires sits on a cluttered workbench surrounded by tools, electrical tape, and electronic components.
thedefibulator/VIA Reddit.com

5. “Will they let me fly with this portable charger I made?”

A homemade electronic device with red cylinders, resembling dynamite sticks, is connected by wires and a digital timer with a display is attached, resting on a beige surface.
tommeeto/VIA Reddit.com

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6. You’d better hope this wireless charger doesn’t explode

A collage of six images shows various small, square, white plastic Apple cases and other items, including earphones, a charger, and a device with a blue LED light and visible circuit board, on a wooden surface.
feintrip/VIA Reddit.com

7. At the risk of getting electrocuted, he made this rotary dial his numpad

A collage of four photos shows a vintage rotary dial device, its inner wiring, circuit board, and external controls, including a knob and switch, on various backgrounds like a desk and newspaper.
nihilianth/VIA Reddit.com

8. I can see a ton of things going wrong with this DIY breadboard watch

A wrist wearing a homemade digital watch with exposed electronic components and a red LED display, mounted on a black strap, against a purple background.
lwcassid/VIA Reddit.com

9. Lots of exposed electrical parts on this DIY mp3 player

A small green circuit board with a microSD card slot, a headphone jack, and three red buttons labeled "PREV/VOL+", "PAUSE/PLAY", and "NEXT/VOL-".
watt_the_farad/VIA Reddit.com

10. He made an action figure out of spare electronics parts

A small robot model with glowing red and yellow lights stands on a desk surrounded by swirling smoke, with a computer keyboard and monitor in the background.
heathenhacks/VIA Reddit.com

11. He wanted AI on his wrist, so he built a ChatGPT voice-activated smartwatch

A person wears a homemade wrist device with buttons, a small screen displaying "Question Listening...", and a glowing blue light. The device is attached over a sleeve with screws visible on its case.
frumtha/VIA Reddit.com

12. “I just finished my 8-BIT CPU!”

A large breadboard with numerous wires, electronic components, and chips, including labeled sections such as “Program Counter,” “ALU,” and “Register.” Blue and red LEDs are lit, and a digital display shows the number 28.
amtech_official/VIA Reddit.com

13. I’d pay anything for this ping pong LED clock

A lit-up pegboard sign angled on a windowsill displays "1989" in red and white colors during daylight and "2024" in pink, blue, and green colors in the dark.
j_pnathan/VIA Reddit.com

14. Do you think this DIY 3D printer actually works?

A homemade 3D printer with a blue wooden frame, exposed wires, electronic components, and various mechanical parts sits on a tiled floor near a wooden window inside a room.
manmeetstec/VIA Reddit.com

15. “The real reason we all want a hot air station.”

A close-up of a small swirl of meringue on a stick being toasted with a kitchen torch on a cluttered desk with tools and wires in the background.
servus314/VIA Reddit.com

16. He designed this 6-digit VFD display at home

A nixie tube clock displaying digits 0 to 5 sits on a table next to a blue circuit board and a breadboard with wires and electronic components. Various tools and parts are visible in the background.
gurgt/VIA Reddit.com

17. This box shows Mom who’s home based on how close their phone is to it

A wall-mounted device labeled “WHO'S HOME?” displays a screen showing who is home and the time since they were last seen. Three indicator lights and a USB cable are visible; the device is mounted on a red wall next to a yellow corner.
cowsrock1/VIA Reddit.com

18. He added a second battery to his phone, so now he has double the battery life

A smartphone lies face down on a wooden surface with electronic components and wires taped to its back using black tape.
several_ad_5567/VIA Reddit.com

19. “I put a movable dot on a TV screen 1970s style!”

A home electronics workspace with a breadboard circuit, tools, wires, and multimeter on a desk in front of an old CRT television displaying a small blue square. Shelves with more equipment are in the background.
nateo87/VIA Reddit.com

20. This DIY flight simulator must have taken ages to create

A modern wooden chair with multiple mounted screens and devices sits in a bright, stylish room with wooden floors, bookshelves, a piano, and a potted plant by large windows.
woodcockpitdesigns_/VIA Reddit.com

Want to see more funny DIY content?

Check out 17 DIY Projects That Ignored Every Warning Sign, or take a look at 17 DIY Attempts That Resulted in Historic Fails. Finally, if you want to see DIY holiday decorations, check out 19 DIY Holiday Decorations That Broke Every Rule -and Missed the Mark.

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Meet the Writer


Patrick Nichols

Patrick is a writer based in upstate New York, where he grew up and still calls home. Over the past year, he’s been diving deep into storytelling, especially tales rooted in history, the Wild West, lost treasures, and ancient artifacts. He’s also drawn to unsolved mysteries and whatever the internet can’t stop talking about.

Whether it’s a centuries-old legend or a bizarre internet rabbit hole, Patrick is always chasing the threads of a compelling story. When he’s not chasing stories, Pat’s probably hiking mountain trails with his dog, exploring new corners of the U.S., or doom-scrolling between hangouts with friends and family. He finds inspiration in nature, forgotten places, and random conversations—anything that sparks curiosity. Whether it’s city streets or backcountry paths, Patrick’s always on the lookout for the next great story.



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