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An investigation about ripple current of Kunkin KP184

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PaWill68:

--- Quote from: aristarchus on July 20, 2021, 01:00:57 pm ---Can this C34 position on pcb be pinpointed on a photo ?
Tried for some time to find it and it was not easy.

--- End quote ---

PaWill68:
Friends, there is good news. KUNKIN has released a firmware update:
1) The voltage is read by reading one register, and the voltage value is obtained after smoothing and filtering, so there will be no sawtooth shape. The voltage acquisition rate before smoothing and filtering is 470SPS, and the voltage value after smoothing and filtering, the refresh rate is relatively low, it is 10SPS.
2) Instructions to set the battery discharge mode, half-current discharge is enabled and can be saved

aristarchus:
Nice.
Thanks @PaWill68.
Though in my VER:04 KP184 there is no such cap C34, so I hope in VER:04 they have it solved.

Regarding the firmware update, is there any link to see it, download it and any instructions on how to upload/flash it in the KP184 ?

Noy:
Hmmm, i have a V3 version here there is no C34..

I have an unmounted C60 and C58..  By the way whats now the bes case for C58? Unmounted or 10nF ??V on this place?

Is this new firmware also for V3 versions?

PaWill68:
This firmware update is only for KP184 manufactured in 2019, 2020 and 2021, the model of the analog-to-digital conversion chip is AD7799. All actions are at your own peril and risk. If there are no problems, it is not recommended to update the firmware, as the changed location is not necessarily used by the user.
For questions about software bugs you can write to 64908476@qq.com

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