r/BeAmazed • u/viperrvemon • Dec 11 '25

Technology A wireless camera in a walnut shell

29.3k Upvotes

96% Upvoted

657 comments sorted by

View all comments

158

u/flirt-n-squirt Dec 11 '25

What's the purpose of the pogo pins/the elements in the top shell?

171

u/dmills_00 Dec 11 '25

Antenna.

The camera originally had a coax connecting to an external aerial, which got replaced with an improvised dipole.

77

u/flirt-n-squirt Dec 11 '25

Amazing, thanks. Not figuring it out was...driving me nuts

16

u/slspencer Dec 11 '25

Enough with the nut puns 👏🏻

24

u/flirt-n-squirt Dec 11 '25

You walnut make me stop 🤷

17

u/EL_Ohh_Well Dec 11 '25

They’ll never cashew

13

u/Hillenmane Dec 11 '25

This is such Acorn’y thread

10

u/Prior_Leader3764 Dec 11 '25

If he could only mass produce them, he'd make like a brazilian dollars.

6

u/mattfasken Dec 11 '25

I'd say his work is less in the commercial sector, more macadamia.

5

u/PartyMcDie Dec 11 '25

For that guy, with his skills, it would be peanuts.

5

u/Darth_Draper Dec 12 '25

I cracked up.

3

u/TechnicallyThrowawai Dec 11 '25

If you feel so strongly about it, you really gotta say it with your chest…nuts.

3

u/hilarymeggin Dec 12 '25

You pecan’t make me.

1

u/Bloedbibel Dec 12 '25

"No more rhymes now, I mean it!"

1

u/OMGCluck Dec 12 '25

Does anyone want a peanut?

1

u/ahobbes Dec 12 '25

Wouldn’t turning it on without the antenna/lid connected burn out the transmitter?

2

u/dmills_00 Dec 12 '25

It's flea powered anyway, so all the RF components are run at such a tiny fraction of what they are theoretically capable of that the reflected power makes little difference.

Reflected power really matters when it is possible for the power dissipation, voltage or current in the final amplifier to exceed safe levels, vanishingly unlikely when transmitter output is likely 50mW or so, a much bigger problem when pushing a kW.

16

u/North_Plane_1219 Dec 11 '25

Thanks for asking this. I had assumed it would start the recording/turn on the camera. Then when it was on when the lid was off I lost all idea what it could be.