Description

Matrix led displays shows numbers and alpha numeric characters. In addition to numbers, it displays scrolling texts and symbols programmed from the computer.

It supports WiFi interface optionally. Device communicated with RS485 half-duplex line only with 2 cables up to 1200m distance. It is designed with Arduino microcontrollers. Only SMD leds are used in the design. It consists of a total of 400 SMD LEDs.

Firmware is written with C/C++ languages by me. Almost all hardware related libraries in firmware are written by me.