Unable to power Hiletgo ESP 32 via external power

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winterminute
Posts: 1
Joined: Sun Jan 03, 2021 3:51 am

Unable to power Hiletgo ESP 32 via external power

Postby winterminute » Sun Jan 03, 2021 3:55 am

I've verified the board works when connected to USB but doesn't work when connected via 5V via VIN+GRD. I've tried two different wall adapters. 1@ 5v and 1@5.25v. I'm pretty new to all this but from what I read this should be possible but some boards do non-standard things. Any ideas what's going or what I should try?
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ESP_Sprite
Posts: 9746
Joined: Thu Nov 26, 2015 4:08 am

Re: Unable to power Hiletgo ESP 32 via external power

Postby ESP_Sprite » Mon Jan 04, 2021 1:30 am

Hard to say without a board schematic... Can you find the LDO on the board and measure if it successfully takes in 5V and spits out 3.3V?
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