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I could but price is 99euro's  and nano + display on dealextreme are 19euro's... I had some program that I made for simbin games while ago that used lpt port and modified so this is how it work's now...

http://www.youtube.com/watch?v=-J0EYoFlqcA

I can also change what's displayed using 8 buttons... engine/tire temperatures, best and last lap times, current time...

Thing is that there is no software on mcu side... so we can decide anything we like... What I was thinking is that 8digit display could be "separated" on two parts so that two values could be displayed and buttons could be used to switch between various values. Temperatures, speed, lap time, gear.  Many things could be calculated and done on mcu side like lap time calculation's (lap difference etc...). Things that should be sent beside telemetry values are maxrpm  (LED = rpm / (maxrpm/8))... any ideas and suggestions are welcome... .Sending data should be binary. There could be some header to recognize start of packet like in this example...

Code Select Expand

const char HEADER       = 'S';
const int  TOTAL_BYTES  = XXX 
  if ( Serial.available() >= TOTAL_BYTES)
  {
     if( Serial.read() == HEADER)
    {...

Refresh rate... I don't have any idea... I guess everything above 25hz would look smooth... but timing is not crucial since mcu will spend most of time only waiting for serial data. Serial port could be set at 38400.


If anyone decides to buy same hardware just a note that programming arduino doesn't require any additional programmers it's all done over same cable... and if some update is made to arduino software it can be update very easy...

Hi,
today in my mailbox arrived some hardware that I ordered while ago to play with, and since Im lately hooked on KRP as soon I took it in my hand I realized that it's ideal for KRP
Item's that arrived are Arduino Nano ( http://www.dealextreme.com/p/arduino-nano-v3-0-81877 ) and 8 digit Display, 8 LEDs and 8 Buttons combo (http://www.dealextreme.com/p/8x-digital-tube-8x-key-8x-double-color-led-module-81873) both items are relatively cheap (19 euros both and it's free shipping). This is how it could look...



Thing is that Im not a programmer but I could make Arduino side of program (Arduino is basically micro-controller with usb to serial onboard. When plugged to PC it's shown in control panel as standard serial port). There should be some plugin for KRP (dll) that would send data to serial port.  If someone is willing to help with this "project" it would be great...

+1

Minor fix for future versions... It would be great if forcefeedback could be turned off after pressing escape and menu showing on screen... now when I press escape (phone call etc...) and take hands of wheel it starts rotating like mad