Search found 4 matches

by jpfaguirre
Wed Jul 01, 2020 7:00 pm
Forum: Hardware
Topic: ESP32 Pico custom PCB flashing error
Replies: 4
Views: 634

Re: ESP32 Pico custom PCB flashing error

I tried flashing it both with ESP-IDF and Arduino. In both cases the error was timeout. When I reset putting IO0 to GND and pressing enable nothing is sent by the ESP32 via UART (nothing seen on serial terminal nor in the TX Pin using an oscilloscope).
by jpfaguirre
Thu Jun 18, 2020 3:39 pm
Forum: Hardware
Topic: ESP32 Pico custom PCB flashing error
Replies: 4
Views: 634

ESP32 Pico custom PCB flashing error

I have developed a custom PCB board for a personal project which I had assembled in China via JLCPCB. I have problems programming the board via UART using a CP2102 board. I have tested strapping pins: * GPIO0: LOW (PCB pull-down) * GPIO2: LOW (PCB pull-down) * GPIO5: HIGH (internal pull-up) * GPIO12...
by jpfaguirre
Wed Jun 17, 2020 10:56 pm
Forum: Hardware
Topic: ESP32 Pico D4 Custom PCB not working
Replies: 8
Views: 4359

Re: ESP32 Pico D4 Custom PCB not working

mspider65 wrote: Did You also received recently the pcb assembled from JLPCB?
I just received the pcb assembled from JLPCB and I have a similar problem with my ESP32 Pico D4 Custom PCB. Is there a problem with JLPCB?
by jpfaguirre
Fri Apr 03, 2020 3:09 pm
Forum: General Discussion
Topic: Get BLE UUID for iOS pairing
Replies: 6
Views: 3903

Re: Get BLE UUID for iOS pairing

Is there a way to get the default UUID of the device?

For example the mac I can get default mac using esp_read_mac if no mac was set.

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