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Arduino Electronics Blueprints by Don Wilcher

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Building a serial-based Simple Chat device

The serial-based Simple Chat device uses a hardwired interface communication method of sending text message data. The USB cable provides a transmit wire that carries the binary equivalent character data code (ASCII) from a desktop PC or notebook computer to the Arduino Uno. The Arduino Uno code will convert the ASCII code into the appropriate binary data capable of displaying the text message onto the LCD.

Building the serial-based Simple Chat device is quite simple and requires only a few off-the-shelf electronic components. As discussed earlier, building the Simple Chat device is aided by using a block diagram. The prototype serial-based Simple Chat device using a solderless breadboard and a few off-the-shelf ...

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