Search found 3 matches

by dd_dev32
Mon Mar 28, 2022 5:22 pm
Forum: Hardware
Topic: Custom ESP32-PICO-D4 board, not able to upload sketches (no communication to internal flash)
Replies: 7
Views: 4957

Re: Custom ESP32-PICO-D4 board, not able to upload sketches (no communication to internal flash)

Hi, thank you both for your replies. Before measuring the internal flash pins I tried also pulling down the IO2 pin as boarchuz suggested and I finally got it to upload the sketch, which is amazing!! In the end for my board it was needed to just pull down (connect to GND) the GPIO12 and GPIO2 pins. ...
by dd_dev32
Sun Mar 27, 2022 12:27 pm
Forum: Hardware
Topic: Custom ESP32-PICO-D4 board, not able to upload sketches (no communication to internal flash)
Replies: 7
Views: 4957

Re: Custom ESP32-PICO-D4 board, not able to upload sketches (no communication to internal flash)

Hi ESP_Sprite, thanks for your message. Regarding Setting GPIO12 to low: I have already tried scratching the copper layer off of the pcb on the path to the sensor to disconnect the sensor from GPIO12. I though this way, I could assure that GPIO12 is in any case set to low, please correct me if I am ...
by dd_dev32
Sat Mar 26, 2022 5:09 pm
Forum: Hardware
Topic: Custom ESP32-PICO-D4 board, not able to upload sketches (no communication to internal flash)
Replies: 7
Views: 4957

Custom ESP32-PICO-D4 board, not able to upload sketches (no communication to internal flash)

Hi guys, I have a custom EPS32-Pico D4 board for a project of mine. The board was developed by a third party, so I did not design the board by myself. I am a mechanical engineer and therefore the PCB design process is kind of out of my scope of knowledge. Nevertheless, I still hope, that you guys ar...