EKEN H9R Replace Lens and Mic 📷 Action Camera Disassembly - What's inside

Action camera replacement of a lens and microphone tutorial. Let's make some rework, replace the objective and mike. EKEN H9R action camera - the cheapest ($32) 1080p@60fps camera. You can shoot 2.7K and 4K but pure image quality. It has fish-eye lens, extremely bad sound recording, color shift of blue (to green), no image stabilization, ...

The Pros and Cons
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Pros:
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⊕ the cheapest 1080p@60fps camera
⊕ good quality of picture at 1080p
⊕ variety of different holders
⊕ aqua-box, underwater shooting
⊕ web-camera 1600x1200 MJPEG (can work without flash-card and without accumulator)
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Cons:
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⊖ no EIS, no AF
⊖ fish-eye lens
⊖ bad microphone (weak and bad sound)
⊖ no real 4K, bad picture quality if 720p or 2.7K
⊖ the lens axis is not orthogonal to the sensor
⊖ color shift of blues to greens
⊖ resizes down from its full 2688х1520 px sensor to 1920х1080 (1080p), so makes blur, then it sharpens with artifacts
⊖ frozes when USB-plug is inserted or unpluged - randomly. To unfroze you should unload the accumulator, whereby data-time resets.
⊖ some videos are written in PHOTO folder
⊖ you cannot fix exposition of white balance - auto only and thus they erraticly change during a filming

Where to buy
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① EKEN H9/H9R Camera - http://ali.onl/1qk4
② M12, 4.35mm, 72° Lens - http://ali.onl/1qk3
③ Samsung 32GB Endurance microSD - http://ali.onl/1qk6
④ Mic-capsule for replace I've extracted from this mike - http://ali.onl/1qk8
⑤ Cheap ColorChecker - http://ali.onl/1qk9

IC Set:
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① OV4689 — image sensor, OmniVision, 4MP, 2688х1520 px
② SPCA6350A-HW011 — hybrid camera controller, iCatch Technology, iCatch V35 SPCA6350
③ K4B1G1646G-BCK0 — 1Gbit DDR3-1600 (11-11-11) 800MHz SDRAM, Samsung
④ GM25VQ64B — firmware memory, NOR Flash 64Mb, GallopMEM
⑤ A7125 — 2.4 GHz FSK RF Transceiver
⑥ AXP192 — power controller, X-Powers

☭ Photos, schematics, text in Russian: https://almois.ru/eken-h9r/ - use Google Translate at right-up corner to choose your language.

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