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Arduboy-homemade-package
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Update README.md

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@ -29,7 +29,7 @@ This package contains all the currently available Arduboy libraries with changes
| Arduboy function | Arduboy <BR>Leonardo/Micro | DevelopmentKit | ProMicro 5V <br>(standard wiring) | ProMicro 5V <br>(alternate wiring) |
| ---------------- | ---------------------- | ----------- | ---------------------------------- | --------------------------------- |
| OLED CS | 12 PORTD6 | 6 PORTD7 | GND | 1/TXO PORTD3* |
| OLED CS | 12 PORTD6 | 6 PORTD7 | GND**** | 1/TXO PORTD3* |
| OLED DC | 4 PORTD4 | 4 PORTD4 | 4 PORTD4 | 4 PORTD4 |
| OLED RST | 6 PORTD7 | 12 PORTD6 | 6 PORTD7 | 2 PORTD1* |
| SPI SCK | 15 PORTB1 | 15 PORTB1 | 15 PORTB 1 | 15 PORTB1 |
@ -66,10 +66,16 @@ prevent the IO pins from possible damage, speaker pin 2 should *NOT* be
configured as an output.
(***)
Future Flash cart support:
* 0 PORTD2 Future flash cart chip select
Flash cart support:
* 0 PORTD2 flash cart chip select
* 14 PORTB3 flash cart data in (MISO)
(****)
When using serial flash with the Pro Micro standard wiring, OLED_CS (chip select) cannot be grounded (always active).
In this case a simple circuit with a general purpose PNP transistor and two resistors can be used to deactive OLED_CS while CART_CS is active.
**TODO** add schematic
## (future) expansion connector
An expansion connector can be added to a modified or Homemade Arduboy in the form of a 12 pin male header with 0.1"pitch. which can be used for: