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1 # Chiptunes on the Three Cent Microcontroller (Padauk PMS150c)
2
3 This plays ["Bitshift Variations in C Minor"][bsv] by Rob Miles on the PMS150c.
4 It needs no external components and is designed to run of a single CR927 lithium
5 coin cell. The MCU detects automatically when it is plugged into a line input,
6 and starts playing the music, and will go into a deep sleep once finished and
7 disconnected. The project uses [SDCC]'s assembler and the [Free PDK] toolchain.
8
9 Please check out the [full write-up] for more details!
10
11 ## Pinout (SOT23-6)
12
13 ___
14 Audio =|o |= N/C
15 GND =| |= VDD
16 Debug =|___|= N/C
17
18 [bsv]: http://txti.es/bitshiftvariationsincminor
19 [SDCC]: http://sdcc.sourceforge.net/
20 [Free PDK]: https://free-pdk.github.io/
21 [full write-up]: https://gir.st/chiptunes.html
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