Connect the SDA pin to the following analog pins on the first Arduino: A4 for the transmitter display. A4 for the receiver display. Connect the SCL pin to the following analog pins on the first ...

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Initially we build a transmitter and receiver to communicate between Arduinos using Morse code sent by pulses of light waves. Next, we consider digital music, which we create by switching a voltage on ...

LaunchPad dev boards from Texas Instruments are cheap and easy to program, making them a great Arduino alternative if you can do without some of the bells and whistles. [ech0s] put his to good use … ...

Morse Code transmitters are some of the simplest to build …as are receivers for Morse The human brain is a pretty remarakble signal processor, of which Morse Code takes good advantage ...

The Morse key is a switch that connects and disconnects the 12V power to the rest of the circuit. It has a wooden knob on the top, which makes tapping out the Morse code easier.

A transmitter controller is (you guessed it) what controls the transmitters: Turning them off-and-on at the right times and having them send specific Morse code signal patterns. Arducon does all ...