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int gpioCount=8;
int led_pin[9]={16,14,12,13,2,5,4,1};

void setup() {
  for (byte i=0; i<gpioCount; i++) {
     pinMode(led_pin[i], OUTPUT);
  }
}

void loop() {

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http://ediy.com.my/projects/item/99-wireless-router-remote-control-car

////////// blink LED variables
#define BLINK_LED_PIN 13     //the number of the LED pin
int ledState = LOW;          //ledState used to set the LED
long previousMillis = 0;     //will store last time LED was updated
long interval = 500;         //interval at which to blink (milliseconds)
 
////////// motor variables
#define MOTOR_ENABLE_PWM_PIN 6    // H-bridge enable (pin 1 & pin 9)

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#!/bin/sh

cmd=$QUERY_STRING 
echo $cmd+"\r" > /dev/ttyUSB0

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#!/usr/bin/lua

port= "/dev/ttyUSB0"
serialout= io.open(port,"w") --open serial port and prepare to write data

str= os.getenv("QUERY_STRING").."\r" -- get message from URL and terminate with carriage return(\r), eg. @2\r

serialout:write(str)

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#define FORWARD 8
#define BACKWARD 2
#define STOP 5
 
int Motor[2][2] = //two dimensional array
{
{4 , 5},   //input pin to control Motor1--> Motor[0][0]=4, Motor[0][1]=5
{6 , 7},   //input pin to control Motor2--> Motor[1][0]=6, Motor[1][1]=7
};
 

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#define FORWARD 8
#define BACKWARD 2
#define STOP 5
#define PWM_PIN_1 9 //speed control pin for motor1
#define PWM_PIN_2 10 ///speed control pin for motor2
 
int Motor[2][2] = //two dimensional array
{
{4 , 5},   //input pin to control Motor1--> Motor[0][0]=4, Motor[0][1]=5
{6 , 7},   //input pin to control Motor2--> Motor[1][0]=6, Motor[1][1]=7

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#define OUT1 4 //Digital 4 connect to L298 IN1
#define OUT2 5 //Digital 5 connect to L298 IN2
#define OUT3 6 //Digital 6 connect to L298 IN3
#define OUT4 7 //Digital 7 connect to L298 IN4
int motor_speed = 20; //delay 20 milliseconds (smaller is faster)
 
void setup() {
  pinMode(OUT1, OUTPUT);  
  pinMode(OUT2, OUTPUT);
  pinMode(OUT3, OUTPUT);  

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#!/usr/bin/lua
require "gpio"
require "shiftOut"
require "bit"
 
print("===== LSBFIRST =====")
for i= 0, Number_of_bit do
  value=nixio.bit.lshift(1,i)
  print("update_ShiftRegister("..value..",LSBFIRST)")
  update_ShiftRegister(value,LSBFIRST)

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#!/usr/bin/lua
require "gpio" --import gpio library
require "shiftOut" --import shiftOut library
str= os.getenv("QUERY_STRING") --gets the value from URL
parameter= string.sub(str,1) --from character one until the end
value=tonumber(parameter) --convert string to integer
update_ShiftRegister(value,LSBFIRST)

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#include <Adafruit_GFX.h>   // Core graphics library
#include <RGBmatrixPanel.h> // Hardware-specific library
#define CLK 8  // MUST be on PORTB!
#define LAT A3
#define OE  9
#define A   A0
#define B   A1
#define C   A2
 
// Last parameter = 'false' disable double-buffering