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by Slonni
Thu Jan 04, 2024 11:05 pm
Forum: Hardware
Topic: ESP3-C3 Super Mini wiring to ST7789
Replies: 21
Views: 35726

ESP3-C3 Super Mini wiring to ST7789

I want to connect a ESP32-C3 Super Mini with display 240*240 ST7789 (with SPI) using Library TFT_eSPI
(The same display connected to ESP32 D1 Mini is running as expected)
Here is a picture and pinout of the ESP-C3 Super Mini
Pinout ESP32-C3 Super Mini.png
The display has the following SPI Pins ...
by Slonni
Tue Jan 02, 2024 10:39 pm
Forum: ESP32 Arduino
Topic: ESP32_C3: TFT_eSPI init() is crashing
Replies: 2
Views: 5557

Re: ESP32_C3: TFT_eSPI init() is crashing

Thanks again ...
The tft.init() problem is solved. TFT_eSPI needs to be configured for ESP32_C3 different than for ESP32. After plenty of additional research I found that. (after you know it, it's written at plenty locations ;))
I am using a display 240*240 wth ST7796 chipset:
In User_Setup.h you ...
by Slonni
Mon Jan 01, 2024 8:42 pm
Forum: ESP32 Arduino
Topic: ESP32_C3: TFT_eSPI init() is crashing
Replies: 2
Views: 5557

ESP32_C3: TFT_eSPI init() is crashing

On my custom ESP32_C3 Super Mini board I am trying to connect a TFT display ST7789 with SPI interface.
As soon I am calling tft.init() the ESP32_C3 seem to crash and starting again. The following is the output shown in the TERMINAL from Platformio-development environment:

* Executing task in ...
by Slonni
Mon Jan 01, 2024 1:21 pm
Forum: ESP32 Arduino
Topic: ESP32 C3 Development Board wont print to serial monitor
Replies: 12
Views: 53837

Re: ESP32 C3 Development Board wont print to serial monitor

Thanks for the link ... but this is not solving the issue or I am still doing something wrong :(
"... If you use the USB connector, you should have that enabled (-D ARDUINO_USB_CDC_ON_BOOT=1) and set USB Mode to “Hardware CDC and JTAG” (-D ARDUINO_USB_MODE=0). ..."
I put the build_flags as ...
by Slonni
Sat Dec 30, 2023 10:48 pm
Forum: ESP32 Arduino
Topic: ESP32 C3 Development Board wont print to serial monitor
Replies: 12
Views: 53837

Re: ESP32 C3 Development Board wont print to serial monitor

I have the same issue and no clue how to solve. I can upload my code and see code is running (LED is blinking), but don't see any output from "Serial.println"
I have a custom board ESP32 C3 Super Mini (from Ali Express) and I am trying to get this board running. As usual before writing "real code" I ...

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