#crowpanel4.3 — ELECROW - FORUM

ESP32-S3 4.3inch Capacitive Touch Display

ummbanaso — Fri, 07 Mar 2025 17:56:22 +0000

I successfully uploaded the lvgl demo but nothing is displaying on the screen

crow panel advance 4.3 version 1.2 vs version 1

rachel_operator — Tue, 27 Jan 2026 20:47:33 +0000

When ordering this screen, how can I be sure I'm getting the 1.2? we can't use the v1 for our purposes, but it's the perfect size for our project.

CrowPanel ESP32 E-Paper 4.2 crash

gerryvel — Thu, 27 Mar 2025 13:03:14 +0000

I use VisualCode and PlatformIO for programming.
The example code "Openweather" for this display is already compiled and loaded, but the Panel flickers only, no picture.

In the serial monitor see:

Connecting
.
Connected to WiFi network with IP Address: 192.168.0.91
Timer set to 10 seconds (timerDelay variable), it will take 10 seconds before publishing the first reading.
HTTP Response code: 200
{"coord":{"lon":13.6691,"lat":50.8962}
.................... another 
String sea_level: 1021
String wind_speed: 2.24
String city_js: "Dippoldiswalde"
ESP-ROM:esp32s3-20210327
Build:Mar 27 2021
rst:0x8 (TG1WDT_SYS_RST),boot:0x2b (SPI_FAST_FLASH_BOOT)
Saved PC:0x42017693
SPIWP:0xee
mode:DIO, clock div:1
load:0x3fce3808,len:0x4bc
load:0x403c9700,len:0xbd8
load:0x403cc700,len:0x2a0c
entry 0x403c98d0

My platformio.ini:

[env:esp32-s3-devkitm-1]
platform = espressif32
;board = freenove_esp32_s3_wroom
board = esp32-s3-devkitm-1
framework = arduino
lib_deps = 
    ;bblanchon/ArduinoJson@^7.3.1
    arduino-libraries/Arduino_JSON@^0.2.0

board_build.partitions = partitions_default.csv

Crowpanel 4.3" Display

chris2172 — Mon, 12 May 2025 21:50:55 +0000

I have an Arduino project and I am passing the following:

int backlightPin = 2;
if (strcmp(topic, "elecrow/backlight/state") == 0) {
if (message == "on") {
digitalWrite(backlightPin, HIGH); // Turns on backlight
} else {
digitalWrite(backlightPin, LOW); // Turns off backlight
}
Serial.println("Backlight: " + message);
}

Looking at Serial Monitor I see
Backlight: on
Backlight: off
As proof that it is passing this section ok.
Any advise would be helpfull.