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...An electronic shelf label is a device that displays relevant product information, they're usually attached to the front edge of retail shelving. A typical ESL consists of a display and a simple microcontroller that controls the display.
*V2.0 now supports ESP32 CYD
You can learn more on:
Github: github.com/Northstrix/Electronic-Shelf-Label-Management-System
Instructables: https://www.instructables.com/DIY-Electronic-Shelf-Label-Management-System-V20/
UDP Image Uploader with Serpent Encryption Algorithm in CBC Mode
Easily transfer an encrypted image from your PC to the display connected to the microcontroller via Wi-Fi using the UDP protocol.
*Improved version is available at https://sourceforge.net/projects/esl-management-system/
User guide is available at https://medium.com/@Northstrix/how-to-stream-encrypted-images-over-udp-71f5e2ab1b0c
* Credit for photo: https://www.pexels.com/photo/bird-s-eye-view-of-city-during-daytime-2815170/