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• Hello, here are some optimization suggestions: Modification suggestion 1: Replace the delay function with the FreeRTOS time function. void loop() {lv_timer_handler(); // Handle LVGL tasksvTaskDelay(5 / portTICK_PERIOD_MS); // Non-blocking delayse…

  in ESP 43 inch Display slow Comment by Sun October 22
• The latest version of the 3.5-inch screen is version 2.2. The touch drive IC is different. Version 2.0: TFT_MISO is pin 12; Touch_CS is pin 33. Version 2.2: TFT_MISO is pin 33; Touch_CS is pin 12.

  in ESP32 3.5inch display touch isn't work in ESPHome Comment by Sun October 22
• Hi, maybe your configuration is wrong. You can try the configured image (https://drive.google.com/drive/folders/1LL42h4sYU6f8MrvipY9GQXjcZutR_NGr?usp=drive_link) provided by Elecrow. Is your Raspberry PI working? If there's nothing wrong with your R…

  in reset_lgw.sh Comment by Sun October 18
• Hi, it is recommended not to play audio and update the screen at the same time. Implementing these two functions separately does not cause jitter or delay. You can choose to use it asynchronously.

  in Crowpanel 7" twitching screen when sound played with speaker Comment by Sun October 18
• Hi Danakin, you can try programming with makecode. Attachment is the program compiled by Elecrow using makecode.

  in help with resetting the esp32+tft module Comment by Sun October 18
• You can insert the CD74HC4067 chip into the breadboard, and use Dupont wires to connect the control pins of the CD74HC4067 chip to the unused pins on the ESP32 chip. If your project does not need to use a speaker, you can occupy the IO18, IO42, and…

  in How the MAX6675 K-Type Thermocouple Sensor works together with ESP32- 4.3-inch Display touchscreen Comment by Sun October 17
• (Quote) Hi, please provide a screenshot of the error message. You can find node red by clicking on the Raspberry PI icon in the top left corner of your desktop.

  in Can the nvme and Lorawan co exist on new pi terminal Comment by Sun October 17
• Hello greg, which version of Raspberry Pi system do you use? For now, it only supports version Buster.

  in reset_lgw.sh Comment by Sun October 10
• (Quote) Yes, in the lesson 3, you will use the card reader with a 32GB TF card

  in Error of 'Get Started with ESP32: Lesson 03 - Display Image from SD Card' Comment by Sun October 10
• The flicker frequency may be related to the timer frequency, so we may need to comment on parts of the timer function. Since the program declares two Pointers in the my_timer function, it allocates size and does not free memory until the my_timer f…

  in help for Lesson 08 - Design A Temperature and Humidity Chart Comment by Sun September 30
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