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A Scrolling Display with RF connection to a PC
Building large complex boards is very risky. If anything is wrong with the board, the entire board needs to be discarded sometimes after expensive components have been soldered onto them. Instead of have one big board, the display is split into module boards. These modules are the LEDPANEL( front panel with the lights and buttons ), LEDDRIVER( hardware to switch on and off the rows and columns ), and the PROCESSORBOARD( the board that contains the RF circuitry and microcontroller ). If something goes wrong with one of the boards, only that board needs to be redesigned or replaced. A secondary bonus is that the processor board can be redesigned for a different PC connection. An example would be a module with a USB connection to a PC rather then an RF link for cost savings.
A Scrolling Display with RF connection to a PC - [Link]
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