Search found 6 matches

by Danjoh
Sun Mar 03, 2024 8:36 pm
Forum: General Discussion
Topic: ESP32 custom Board w/ UART - no serial feedback
Replies: 4
Views: 5449

Re: ESP32 custom Board w/ UART - no serial feedback

Hi Ves011,

it looks like this was a good hint. Once I have connected GPIO 19 (white USB cable) and GPIO20 (green USB cable) I was immediately getting a serial output. I used the USB-C in parallel to "power" the PCB.

Learn so far:

- The former upload was successful as I can see the old program ...
by Danjoh
Thu Feb 29, 2024 4:14 pm
Forum: General Discussion
Topic: ESP32 custom Board w/ UART - no serial feedback
Replies: 4
Views: 5449

Re: ESP32 custom Board w/ UART - no serial feedback

I setup the Arduino IDE as shown in the screenshot + the build and upload was successful at least according to the screenshot.

I tried to keep the code as clean as possible.

void setup() {

Serial.println("Hello World");
}

void loop() {
}


however I also tried it with Serial-println in the ...
by Danjoh
Wed Feb 28, 2024 7:38 am
Forum: General Discussion
Topic: ESP32 custom Board w/ UART - no serial feedback
Replies: 4
Views: 5449

ESP32 custom Board w/ UART - no serial feedback

Hi there,

I have designed a custom PCB (my first one) with an ESP32, UART Bridge and some sensors.

I am able to connect it, and even to upload some code (with pushing the boot button).

However u don’t get any signal feedback on the serial.monitor. I tried different settings in Arduino IDE and ...
by Danjoh
Thu Aug 10, 2023 8:26 pm
Forum: Hardware
Topic: Can not Upload Firmware to ESP32 using CP230x custom board
Replies: 3
Views: 1263

Re: Can not Upload Firmware to ESP32 using CP230x custom board

Hi ESP_Sprite,

thanks again for your help. That was exactly the problem! Great. Now I can proceed. :)
by Danjoh
Thu Aug 10, 2023 5:42 pm
Forum: Hardware
Topic: Can not Upload Firmware to ESP32 using CP230x custom board
Replies: 3
Views: 1263

Re: Can not Upload Firmware to ESP32 using CP230x custom board

Oh okay, thank you! I will try that out. Keep you updated if this helped
by Danjoh
Tue Aug 08, 2023 8:34 pm
Forum: Hardware
Topic: Can not Upload Firmware to ESP32 using CP230x custom board
Replies: 3
Views: 1263

Can not Upload Firmware to ESP32 using CP230x custom board

Hello,

i have created a custom board using an esp32s3-wroom and an cp210 uart bridge.

when I try to upload a firmware / program I get the error message:

_____________________

Sketch uses 233525 bytes (17%) of program storage space. Maximum is 1310720 bytes.
Global variables use 18244 bytes (5 ...

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