Search found 3 matches

by Devenda
Fri Nov 08, 2019 8:30 pm
Forum: Hardware
Topic: ESP32 EN pin pulled down
Replies: 4
Views: 210

Re: ESP32 EN pin pulled down

Do you have your power enable tied to your ESP enable, by chance? I had a problem where I had power enable and ESP enable tied together. When the ESP is not powered fully, it will sink current on EN (and other signals). In my case, when I would turn on EN, as power started to come up the ESP would ...
by Devenda
Fri Nov 08, 2019 6:39 am
Forum: Hardware
Topic: ESP32 EN pin pulled down
Replies: 4
Views: 210

Re: ESP32 EN pin pulled down

That's something I thought of too. But the problem persists. Strangely it worked fine before. The only thing I can think of is that something else went wrong, damaging the esp32 wroom internally, but again it boots fine, I'm just unable to program it again...
by Devenda
Thu Nov 07, 2019 10:58 pm
Forum: Hardware
Topic: ESP32 EN pin pulled down
Replies: 4
Views: 210

ESP32 EN pin pulled down

Hi, Something strange is happening on my custom board featuring a ESP32-WROOM-32. The EN pin is being pulled down (seemingly from the ESP32 itself), effectively preventing the ESP32 from booting. This has not happened before and the board had functioned flawlessly in the past. When tying EN directly...

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