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HarvsG/AqaraRockerTeardown.md

Last active February 1, 2024 09:07
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My failed experience disassembling an Aqara rocker to see if I could get 5V from it
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AqaraRockerTeardown.md

Aqara Smart Wall Switch H1 (with Neutral, Single Rocker)

I wanted to see if I could tap of 5v from an aqara zigbee rocker to power a neabry Amazon Fire HD8 smart home display.

The device

Aqara H1

The teardown

The device is in two parts: 2 parts - Copy

  • The first is the AC section/power-supply that is wired into the back box - be warned it is quite large and my back box was quite cramped too, it was a very tight squeeze for the installer.
  • The second is the DC zigbee section

I asume when comparing across the different (neutral vs no-neutral) that the front portion is quite similar.

Removeing the four screws in the grey portion dose NOT allow it to pop out easily. I had to then reclip it to the back box and pull on the white housing to reveal the circuit board: H1 Circuit board - Copy Seems to use the JN1589 Zigbee chip

Unscrewing the board and fliping it does not reveal any well labelled points: H1 Reverse - Copy Note there is space for 2 more switches unsoldered. I wager that they use the same board for the 3 gang switches, and maybe even the 2 gang switches.

Board number: A20-WSK03-LNS-DC

If I had 8 small bread board wires I could probably connect the two portions and look at the signals and find a 5v rail. But not even knowing which pin(s) is ground means it would be a hard job.

@Aleksey2790
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TPA5 +5V
TPA0 -5V
IMG_1255

@Aleksey2790
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image
+5V

@Aleksey2790
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image

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