Good design is extremely troublesome to realize. Most of us can’t do significantly better than mimicry and a hope for the very best. However Zion Brock appears to have phenomenal design sense, as a result of he created this DIY “radio” with an exquisite retro model that’s extremely interesting.
This may increasingly seem like a radio from post-WWII America, however it doesn’t truly play the radio in any respect. It performs native music recordsdata immediately. However Brock constructed this for his father, who lives in a reminiscence care dwelling and has issue working trendy tech. For that cause, Brock put particular care into making it as intuitive as attainable to regulate.
The massive knob on the from turns the system on and adjusts quantity. The one different management is a button on the highest, which the consumer can push as soon as to go to the following monitor. Pushing it twice goes to the earlier monitor. Pushing it 3 times restarts the present album. And eventually, holding the button down goes to the following album.
That’s all attainable because of a cheap Waveshare RP2040-Zero improvement board clone, which performs music by a DFRobot DFPlayer Mini MP3 participant module with audio recordsdata saved on an SD card. The DFPlayer has a built-in amplifier, so the one different crucial element is a speaker. However Brock included a devoted amplifier module for extra quantity.
To present playback some classic aptitude, Brock added a characteristic the place the RP2040 itself shops a small “radio tuning” audio file and performs that again when it first activates.
All of these parts match into that fashionable enclosure, which is 3D-printable. If you wish to make this your self, Brock uploaded the recordsdata to MakerWorld and printed detailed directions on his web site.