[SOLVED] Convert 5v to 3.3v for PineTime board

lj001 · May 6, 2023 at 12:59 PM

I have a PineTime DK with a dead battery and want to supply the board with power, like I do when using the ST-Link V2. There is only a 5v for the JLink. Is there a way to convert the 5v to 3.3v?

SEGGER - Alex · May 8, 2023 at 3:44 PM

There is no on-board converter on the J-Link but an adapter may be used:
https://www.segger.com/products/debug…supply-adapter/

lj001 · May 10, 2023 at 12:50 AM

I got the adapter. Should I disconnect the battery to the board? With the ST-Link v2 it didn't seem to matter but I heard it might here.

SEGGER - Alex · May 10, 2023 at 3:03 PM

Closed because it is a duplicate of:
Power Board w/Segger JLink Plus Compact

[SOLVED] Convert 5v to 3.3v for PineTime board

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