You need to configure Arduino IDE software to use the GitHub project ESP32-HUB75-MatrixPanel-DMA.
Step1, add 3 libraries, two from Adafruit, one is ESP32
Step2, add esp32 board, copy the below URL, and paste it into the software
https://espressif.github.io/arduino-esp32/package_esp32_index.json
I designed the kit for ESP32 linking LED matrix HUB75, or you need manually connect ESP32 to hub75e.
You need to open the back cover to see if the controller is working, or if the power supply is working. Then, I will send you the replacement part.
Tutorial: Open the back cover
The indicator of LED Sign
https://youtu.be/5Rp4WoZ25CU
Note: Please send the product model No., size, resolution to hillsun192@gmail.com, If no this information, take the photo of the label on the back of LED sign
There are mainly two ways to upload programs for the LED signs: USB drive and Wi-Fi. Firstly, USB drive. It has many different names, U disk=USB flash drive=USB disk=USB thumb drive. USB drive is used as a tool to move programs from the computer to the LED display, which is very convenient to use. But it still needs a computer to generate the program, and the software used to design the program in the industry can only run on Microsoft’s Windows version, so you must have a computer. Note that the software does not support Apple’s MAC, nor does Google’s Chromebook.