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Ondřej Hruška 7 years ago
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# Simon game with Pro Mini # Simon game with Pro Mini
Fun little project that has grown quite more than expected, at least on the There is not much documentation for this project because I made exactly one
hardware side. copy of the hardware and it'll probably end there. But if anyone tries to
replicate this, here are some hints:
There will be a proper log for this later, with schematics etc. ## Parts
(update, 3 months later: or maybe not)
For now, you can have a peek and thank heavens you don't have to understand - powered by 4 AA batteries (3 would be enough)
any of it xD - buck module to 4V, EN pin controlled by microcontroller
(and a button through resistor, mcu senses button for soft shutdown etc).
Those modules can be found on aliexpress. For a replacement, you can just put
a mosfet there or something, as long as V_sup won't go over 5V.
- arduino pro mini (anything with atmega328p will work)
- 4 neopixels - blinky lights (chained)
- dual 7-seg display unit for score, CC or CA doesn't matter, easy to reverse in code
- 4 buttons or TTP223 touch keys for user input
- 1 photo-transistor and some resistors for ambient light sense
- displays driven by 595 or equivalent (eg 74HC4094)
what to connect to where can be found in `pinout.h`.
I'll send a more detailed schematic on request, if I still find my notes.
## Flashing
The firmware can be flashed using the arduino bootloader (via the makefile),
but that produces a 1s delay on startup when the bootloader waits.
For this reason I've wiped the bootloader and flashed it directly
with AVR Dragon using ISP programming.

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