Published in Praktická elektronika 10/2015.

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Serial LED Display demonstration.

Serial LED Display is a small serially controlled display module for projects that need to show numbers, text or status information without driving the LED display directly from the main controller.

Technical Specifications

Supply5 V DC.
CommunicationUART serial line.
ProtocolSimple command/text protocol.
UseStatus displays, measuring devices and small controllers.

Schematic

Serial LED Display schematic
Serial LED Display schematic.

PCB and Placement

PCB top
PCB top side.
PCB bottom
PCB bottom side.
Placement top
Top placement.
Placement bottom
Bottom placement.

Communication

The module can be tested from any serial terminal by sending commands described in the documentation.

Serial terminal
Serial terminal communication example.

Documentation

The package contains Eagle files, firmware and construction data.

Download DocumentationProject Discussion
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