Xiaomi Yi: Disassembling to add external power and trigger wires

sHINE

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#1
Hi!

First post here to show some pics on how to connect wires to the pcb of the xiaomi yi to power or trigger it externally. Mine's revision Z23L.

I'm from Germany so excuse my poor English grammar, hope u will understand it anyway :)

Got this tiny beauty to put it under my copter, using a small gimbal to take photos/videos while flying. Also, I wanted a FPV, so Video-Out should also be wired to my transmitter in the copter.

Below are some pics showing the disassembly and the main connections made on the pcb. Next step is to buld some micro-connector into the case of the cam but the one I ordered isn't delivered yet.

Then a small AVR (Tiny45/85) is necessary to simulate the button presses in time and right order to be able to power-on and start recording or taking a photo with one short impulse.

More pics will follow as progress continues.

Regards,
Jan

IMG_5087.JPG IMG_5088.JPG IMG_5089.JPG IMG_5093.JPG IMG_5100.JPG IMG_5101.jpg IMG_5103.JPG IMG_5106.JPG IMG_5108.JPG IMG_5109.JPG
 

petepete

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#2
should be interesting..

but the yi as a drone camera ???

Pretty coloured pictures but Its blurry at distance and has a massive field of view that will give the dreaded barrel distortion and theres probably other reasons the drone community chose other cameras ...

welcome and good luck !
 
OP
OP
S

sHINE

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#3
I'll try it. I don't want it to do FPV-Racing or something. Just to take some photos/video from the sky. There better cams, but hey, I've paid 58 EUR for it...
 

lwahono

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#6
Hi sHINE
Very nice project. Thank you for sharing this. I want to do the same thing with yours. Does yours work well?
 

baroya10

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#7
Hi Shine !
Finally found this method from You.
Thanks for sharing.

Is there any videos for this project ?

and how does it work ?

Thanks,
 

Gimp Slave

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#8
My heart skips a beat everytime I see an exposed sensor. :)

Looking good! And considering you cut the port with a utility knife? Beautiful surgery.

Q: any interference with those tiny, unshielded wires becoming antennas, when the uC pulls the pin up/down to simulate button presses?
 

duke_vah

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#9
Good picture.
I wonder if you know how I can buy the sensor board behind the lens. I connected it directly to 5+ I don't know what happened and now it gets too hot in a few second and when I record the video, the quality is gone. blue tiny lines.
 

kenji2108

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#10
Hi, I read the article

You tell me, the power input to your camera Xiaomi Yi is 5V or 4.2V

fix.jpg
 

duke_vah

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#11
I have connected 5V to it and there was no issue at all.
However, I fed it from back part which is close to the battery connector.
 

smurfbal

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#12
Hi,
great Project and thanks for the Pictures! Finaly someone who may can help me with my problem. I accidently cut the band that connects the record button.

So I plan to install an extra record button.

Can I simply solder a push-button between ground and record Pin to replace record button? Or is more complex than that?
I have the first revision 22, but hope layout didnt change that much..


Greetings
Smurfbal
 

TwoBlues

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#13
The most fragile part of the Original Yi-the ribbon circuit-shutter/LED/ring light/power button to ZIF connector, and Yi does not sell parts! It's toast! Disassemble too many times and it's guaranteed to break
 

smurfbal

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#14
currently it's not "Toast". BT and WIFI Remote works for Recording. Unfortuantly in crowd situation Wireless connection is very unstable.. thats why I want back to a wired button for recording.
 

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