![]() In the case of certain projects, like my Prognostication Engine, for example, I require the ability to “layer” multiple sound effects on top of each other (see “ The Sound of Prognostication” and “ The Color of Prognostication”). The only real issue is that it can only play a single audio file at a time. You can also control the volume and equalization, and the output from the DFPlayer Mini can be connected directly to a speaker.Īs I noted earlier, at less than $5, this little scamp would be ideal for adding sound effects to a wide variety of hobby projects. By means of the serial port on a microcontroller like an Arduino, you can use simple serial commands to play thousands of audio files (music and/or sound effects) stored on an SD card. This little scamp, which is called the DFPlayer Mini, is small in size but powerful in capability. At less than $5, this would be great for adding sound effects to hobby projects. For the moment, however, I wanted to share a rather tasty Mini MP3 player that Chewy introduced me to. I will be talking about Chewy’s 4-bit processor project and my proposed instruction set in future columns. The result was a wide-ranging conversation in which we considered a cornucopia of weird and wonderful topics, not the least of which was the Mystery Robot Dog from the 1950s. This all started when an unexpected email from Chewy dropped into my inbox asking about my thoughts as to an instruction set for a 4-bit home-grown processor.Īfter we’d bounced a few messages back and forth, we decided that it would be easier to communicate by speaking on the telephone (I know, I know - “That’s so 20th century, my dear”). ![]() ![]() I was just chatting with my new chum, James “Chewy” Vroman. At less than $5, this tiny but teasingly temptingly tasty Mini MP3 player is great for adding sound effects to hobby projects ![]()
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