Build a music player you can hold in your hand

A hands-on course that takes you from blank schematic to a working player. Design the PCB, print the case, write the firmware in C.

Start building for $34

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 12 lessons · 6 hours
1Schematic and parts selection28m
2Routing your first 2-layer PCB41m
3Ordering boards and reflow at home33m
4Modeling the enclosure in CAD36m
5Bare-metal C: I2S audio out52m
6Reading FLAC off an SD card47m

Why most makers never finish the build

7 toolsKiCad, a slicer, a toolchain, a debugger. Tutorials cover one and drop you at the seams.
$120Wasted on wrong footprints and dead prototype boards before a single note plays.
0 audioDatasheet C examples compile but stay silent. Nobody explains the I2S clock timing.

What's inside

Complete KiCad project files for the player board
Step-by-step routing walkthrough for a clean 2-layer PCB
Printable STL enclosure plus the CAD source to remix it
Firmware in plain C, no vendor framework lock-in
Working I2S DAC driver and FLAC decode pipeline
Full bill of materials with tested part numbers

One price. The whole build.

$59$34
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