Can the Gameduino 2 work with the Mega2560?
Yes, but because the Mega2560 has its SPI pins in a different place, you need to make 3 wire hookups. Connect:
- pin 11 to pin 51 (MOSI)
- pin 12 to pin 50 (MISO)
- pin 13 to pin 52 (SCK)
You can do this with jumpers. For my Mega2560 I eventually soldered these three wires directly to the pins underneath the Mega.
Can the Gameduino 2 work with the Leonardo or Arduino Yun?
Yes, but because these Arduinos have their SPI signals in a different place, you need to jumper three signals
- pin 11 to ICSP-4 (MOSI)
- pin 12 to ICSP-1 (MISO)
- pin 13 to ICSP-3 (SCK)
There is also a shield available that rewires the pins: https://www.sparkfun.com/products/11469
Which examples need the SD card?
The following examples don't need the SD card. They run fine without one:
| 1.Basics | helloworld fizz blobs simon |
| 2.Graphics | walk |
| 3.Peripherals | sketch |
| 4.Utilities | radarchart |
| 5.Demos | jnr kenney sprites widgets |
| 6.Games | chess frogger |
How do I recalibrate the touchscreen?
To force a calibration re-run, load the selftest sketch under 4.Utilities.
The first time the Gameduino 2 boots, it calibrates the touchscreen - asking you to "please tap on the dot" in three places on the screen. It then stores this calibration in Arduino EEPROM.
Is there a way to improve touch-screen performance?
Yes the touch screen is not as responsive as an expensive capacitive screen on a smart-phone. One trick is to use gentle pressure with a fingernail instead of a fingertip. Another is to use a non-metallic stylus. The 3.Peripherals -> sketch app is good for evaluating touch performance.
How can I load a JPEG and use my assets at the same time?
Yes, see this thread for details. http://gameduino2.proboards.com/thread/237/jpgs-assets
Can I dim the screen?
Yes, see this thread: http://gameduino2.proboards.com/thread/46/switch-off-display
How do I display incoming bitmap data on the screen?
See this thread: http://gameduino2.proboards.com/thread/243/display-array-uncompressed-bitmap-data
and http://gameduino2.proboards.com/thread/209/greyscale-bitmap-import-array
How can you display a ``string`` type?
See this thread: http://gameduino2.proboards.com/thread/193/solved-put-string-type-variable