Search found 2 matches

by gianfry7
Mon Dec 02, 2024 11:25 pm
Forum: Hardware
Topic: No UART signal from ESP32-C3-Mini (Custom PCB)
Replies: 2
Views: 1726

Re: No UART signal from ESP32-C3-Mini (Custom PCB)

I understand what you are saying, but before re-ordering a new board with the fixed RC circuit for the EN pin, I want to make sure there's no other issue in the board. I think that there could be something else, since there is a previous designed (printed on an FR4 substrate, while this one is on a ...
by gianfry7
Thu Nov 21, 2024 1:44 pm
Forum: Hardware
Topic: No UART signal from ESP32-C3-Mini (Custom PCB)
Replies: 2
Views: 1726

No UART signal from ESP32-C3-Mini (Custom PCB)

<t>Hello,<br/>
<br/>
I have this design for a custom PCB (attached the electrical schematics and the layout).<br/>
The PCB is a flex PCB, so it's really thin, with a stiffener below the ESP32.<br/>
<br/>
Unofrtunately, despite seeming to be powered on (the board draws about 14mA when powered, versus ...

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