circuit - Grant Winney

May 19, 2016

Generating Morse Code on the Raspberry Pi Using a Button on a Breadboard

I created a morse code generator before based on entering a string at the console. Now I extended it to generate a message with a button click....

Using PullUp and PullDown Resistors on the Raspberry Pi

When you start out creating circuits with the Raspberry Pi and its GPIO pins, there's an unexpected but important concept to understand, called "floating". To adjust for it, you need to understand how to use pullup and pulldown resistors....

Building a Morse Code Transmitter on a Raspberry Pi

I had made the Raspberry Pi blink an LED a few times, and as thrilling as that had been ;) I wanted to try something different. So I built a morse code transmitter!...

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