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BTTF Clock

BTTF Cock / Radio / Sound effects box

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Description

For my best friend's 50th birthday a couple years ago, I decided to make him a Clock/Radio/Sound effects that looks something like the time circuit display in Back to the Future, since he's a huge fan of those movies. Here is a snapshot of where it is today. I've been adding new functionality to it and fixing things on it every year since.

Components

1 × STM32F411RE Nucleo
1 × MCP23017 I2C Input mux for the keypad
1 × Adafruit SoundFX board
1 × Cheap power supply board for 5v/4A supply off Aliexpress
3 × Sparkfun level shifter boards For the MAX7219s. The ICM7228s didn't need them.

View all 13 components

Project Logs

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PCB to replace the spaghetti wire LED boards
Mike Moretti • 12/30/2019 at 16:20 • 1 comment

Last week I ripped out the spaghetti wire v1 LED board and replaced it with a PCB. Soooo much easier to debug and much cleaner.

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Discussions

Canine Defense Technologi wrote 01/27/2020 at 21:14

Make sure you have 1.21 gigawatts to power the flux capacitor! ;)

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