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Tuesday, September 23, 2014

Arduino Due and 2.2" TFT display with ILI9341 driver

   I recently purchased an Arduino Due development board to control 2.2" TFT color graphic display with ILI9341 driver.
   First, I use Arduino Uno then I use Arduino Mega for control this display. Between Arduino board (Uno or Mega) I use CD4050 for convert voltage level, because Uno and mega works with 5V logical level and display with ILI9341 driver works with 3.3V.
   After several attempts I chose ucglib library because is like u8glb library, that I used it at monochrome Nokia mobile displays (like Nokia 3310 display with 84x48 resolution using PCD8544 driver or Nokia 3410 display with 95x64 resolution using PCF8812 driver 3410) or at monochrome display with 128x64 resolution using ST7920 driver.
   I tested with very good results the ucglib library with Arduino Uno & Due for control the colour graphic display with 320x240 resolution using ILI9341 driver and I write few article in roumanian language, who is my native language.
   Also, I write an article in roumanian language with Arduino Due who control the colour graphic display with 320x240 resolution using ILI9341 driver: Arduino Due si afisajul QVGA de 2,2" (5,6cm) comandat de ILI9341.
   Now, I make a summary of that article for interested people...
   Arduino Due is more powerfull then other Arduino boards, becouse runs at 3.3V (maximum tolerate voltage at input or output pins is 3.3V).
   Using informations from article named How to Connect a ILI9341 Display I connect directly pins from Arduino Due and display, like in this picture:
   In my case, schematic is:
   First, I made a weather station with DTH11 sensor for humidity and BMP180 for pressure and temperature, schematic is:
   Then, I simplified the sketch for using just DHT11 sensor for humidity and temperature:
   Practical, wirred is:
   My original sketck for full weather station with BMP180 and DHT11 is:
/*
original sketch by niq_ro from http://nicuflorica.blogspot.com using ucglib library
version for 2.2" TFT with ILI9341  - 2014.07.29, Craiova - Romania
use Universal uC Color Graphics Library from https://code.google.com/p/ucglib/
*/
#include <SPI.h>
#include "Ucglib.h"
//Ucglib_ILI9341_18x240x320_HWSPI ucg(/*cd=*/ 6 , /*cs=*/ 5, /*reset=*/ 4); // at Uno
//Ucglib_ILI9341_18x240x320_HWSPI ucg(/*cd=*/ 26 , /*cs=*/ 24, /*reset=*/ 22); // at Mega
//Ucglib_ILI9341_18x240x320_SWSPI ucg(/*sclk=*/ 52, /*data=*/ 51, /*cd=*/ 26 , /*cs=*/ 24, /*reset=*/ 22); //at Mega
//Ucglib_ILI9341_18x240x320_SWSPI ucg(/*sclk=*/ 76, /*data=*/ 75, /*cd=*/ 26 , /*cs=*/ 24, /*reset=*/ 22); //at Mega
Ucglib_ILI9341_18x240x320_HWSPI ucg(/*cd=*/ 26 , /*cs=*/ 24, /*reset=*/ 22); //at Mega and Due
/*

Due  |Mega | Uno | TFT - ILI9341
----------------------
D22  | D22 | D4  | RESET
D24  | D24 | D5  | CS
D26  | D26 | D6  | D/C
 ?   | ?   | LED (via 220 ohms resistor at 5V)
MOSI | D51 | D11 | MOSI
MISO | D50 | D12 | MISO
SCK  | D52 | D13 | SCK
-----------------------------
with CD4050 adapter or 10k resistor, power supply and logical levels is 3.3V
schematic: http://nicuflorica.blogspot.ro/2014/07/afisaj-grafic-color-qvga-de-22-cu.html
*/

#include <dht.h> 
// from http://playground.arduino.cc/Main/DHTLib
dht DHT;

float t1, t2;
float t10, t20;
float t11, t21;
float t12, t22;
float t13, t23;
int h11, h12;

void setup() {
delay(1000);

ucg.begin(UCG_FONT_MODE_TRANSPARENT);
ucg.clearScreen();
ucg.setFont(ucg_font_ncenR14r);
ucg.setColor(255, 0, 255);
ucg.setColor(1, 255, 0,0);

  ucg.setRotate90();
  ucg.setColor(255, 255, 255); // culoare alba
  ucg.drawFrame(0,0,320,240); //   
  ucg.setFont(ucg_font_courB24); // 20 pixel height
  ucg.setColor(255, 0, 0); // culoare rosie
  ucg.setPrintPos(60,30);
  ucg.print("Ministatie");
  ucg.setColor(0, 255, 0); // culoare verde
  ucg.setColor(0, 255, 0);
  ucg.setColor(0, 0, 255); // culoare albastru
  ucg.setPrintPos(17, 60);
  ucg.print("meteo cu DHT11");
//  ucg.setPrintPos(55, 90);
//  ucg.setColor(5, 255, 0); // culoare verde
//  ucg.print("si BMP180");
  ucg.setFont(ucg_font_fur17r); // 17 pixel height
  ucg.setColor(255, 255, 0); // culoare galbena
  ucg.setPrintPos(25,120);
  ucg.print("ecran grafic 2,2'' (5,6cm)");
  ucg.setFont(ucg_font_courB24); // 20 pixel height 
  ucg.setColor(0, 255, 255); // culoare bleo
  ucg.setPrintPos(10,150);
  ucg.print("QVGA cu ILI9341");
  ucg.setColor(255, 0, 255); // culoare mov
  ucg.setPrintPos(20,180);
  ucg.print("versiune 4.5.0");
  ucg.setFont(ucg_font_fur17r); // 17 pixel height
  ucg.setColor(255, 255, 255); // culoare alb
  ucg.setPrintPos(60,210);
  ucg.print("realizare niq_ro");

delay(5000);
ucg.clearScreen();
t13=40.0;
h12=40.0;
}

void loop() {
     
 // DHT11 part
 int chk = DHT.read11(37);
 delay(1000);
// timeout;
 int h11 = DHT.humidity; 
 if (DHT.humidity < 0) h11 = 0;

 int t12 = DHT.temperature;
int t15 = t12;
float t16 = 10*t15;
t16 = t16/10;

t16 = t12;
if (t16 != t13) 
{
temperaturi(t16, t13, 20, 0); // temperature, old temperature, x,y
termometre(t16, 20);
}

if (h11 != h12) 
{
// umiditate(h11, h12, 115, 90); // humidity, old humidity, x, y
 umiditate(h11, h12, 40, 180); // humidity, old humidity, x, y
 barca (h11, h12);
}




//}
delay (30000); 
t13=t16;
h12=h11;
} // final de program, se revine de la inceput

void temperaturi(float t3, float t4, int ics, int igrec)
{
int t5 = t3;
int t6 = t4;
ucg.setFont(ucg_font_courB24);    
if (t3*t4 < 0)
{ucg.setColor(0, 0, 0); 
for (int qy = 39 ; qy < 60; qy++) 
{
 ucg.drawHLine(ics+7, qy + igrec , 105);
}
}
int t51 = t5/10;
int t61 = t6/10;
ucg.setColor(0, 0, 0); 
if (t51 != t61)
{
for (int qy = 39 ; qy < 60; qy++) 
{
ucg.drawHLine(ics+28, qy + igrec , 21);
}
}
t5 = t3 - t51*10;
t6 = t4 - t61*10;
if (t5 != t6)
{
for (int qy = 39 ; qy < 60; qy++) 
{
ucg.drawHLine(ics+49, qy + igrec , 21);
}
} 
for (int qy = 39 ; qy < 60; qy++) 
{
 ucg.drawHLine(ics+91, qy + igrec , 21);
}
ucg.setColor(255, 0, 0);  
ucg.setPrintPos(10 + ics, 30 + igrec);
//ucg.print("t  :"); 
ucg.print("temperatura:"); 
ucg.setPrintPos(10 + ics, 60 + igrec);
if (t3 > 10.0) ucg.print("+");
else
 if (t3>0.0) ucg.print(" +");
else
 if (t3<0.0)
{
 t3=-t3;
 if (t3 > 10.0) ucg.print("-");
else
 if (t3 > 0.0) ucg.print(" -");
}  
if (t3==0.0) ucg.print("  ");
ucg.print(t3,1); 
ucg.print(" C"); 
ucg.setFont(ucg_font_fur17r); 
ucg.setPrintPos(30 + ics, 35 + igrec);
//if (igrec == 0) ucg.print("int"); 
//else ucg.print("ext"); 
ucg.setPrintPos(115 + ics, 50 + igrec);
ucg.print("o"); 

ucg.setPrintPos(75 + ics, 60 + igrec);
ucg.print(",");


}

void termometre (float t, int ics1)
{
ucg.setColor(255, 255, 255);  
ucg.drawFrame(ics1-4,10,9,200); 
ucg.drawCircle(ics1,220,10,UCG_DRAW_ALL);  
for (int a = 0; a < 10; a++)
{
ucg.drawLine(ics1-5,20+20*a,ics1-7,20+20*a);
ucg.drawLine(ics1+5,20+20*a,ics1+7,20+20*a);
}
ucg.drawLine(ics1-10,140,ics1+10,140);  
ucg.setFont(ucg_font_courB24);    
ucg.setPrintPos(13 + ics1, 149);
ucg.print("0 C"); 
ucg.setFont(ucg_font_fur17r); 
ucg.setPrintPos(37 + ics1, 135);
ucg.print("o"); 
int lin = 140 - 2*t;
ucg.setColor(0, 0, 0);  // black 
ucg.drawBox(ics1-2,21, 5, lin+5);
ucg.setColor(255, 0, 0);  
ucg.drawDisc(ics1,220,8,UCG_DRAW_ALL);  
ucg.drawBox(ics1-2,lin, 5, 210-lin);
}

void umiditate(int h3, int h4, int zet, int igrec1)
{
  ucg.setFont(ucg_font_courB24); // 20 pixel height   

// sterg semnul ??
int h51 = h3/10;
int h61 = h4/10;

ucg.setColor(0, 0, 0); 

// sterg zeci daca e cazul
if (h51 != h61)
{
//ucg.setColor(255, 255, 0); 
ucg.setColor(0, 0, 0); 
for (int qy = 39 ; qy < 60; qy++) 
{
//  ucg.drawHLine(zet+28, qy + igrec1 , 21);
  ucg.drawHLine(zet+40, qy + igrec1, 42);
}
}
  int h5 = h3 - h51*10;
  int h6 = h4 - h61*10;

// sterg unitati daca e cazul
//if ((t5 != t6) || (t5-t6>0.2))
if (h5 != h6)
{
//ucg.setColor(0, 255, 0); 
ucg.setColor(0, 0, 0); 
for (int qy = 39 ; qy < 60; qy++) 
{
  ucg.drawHLine(zet+79, qy + igrec1 , 21);
}
} 

 ucg.setColor(0, 255, 255);  
 ucg.setPrintPos(zet, 30 + igrec1);
 ucg.print("umiditate:"); 


//ucg.setFont(ucg_font_fub42n); // 20 pixel height   
ucg.setPrintPos(40 + zet, 60 + igrec1);
//if (h3 > 10) ucg.print("+");
if (h3 > 10) ucg.print(" ");
else
{
//ucg.setColor(255, 255, 255); 
ucg.setColor(0, 0, 0); 
for (int qy = 39 ; qy < 60; qy++) 
{
  ucg.drawHLine(zet+40, qy + igrec1 , 42);
}
if (igrec1 <30) ucg.setColor(255, 255, 0);  
else ucg.setColor(0, 255, 255); 
ucg.setPrintPos(61 + zet, 60 + igrec1);
//ucg.print("+");
ucg.print(" ");
}
 ucg.print(h3); 
 ucg.print("%"); 
}


void barca (int h, int h2) // new humidity, old humidity.,
{
int xx = 280; 
int yy = 230;

//sterg barca
//ucg.setColor(100,100,100);  
ucg.setColor(0,0,0);  
ucg.drawBox(xx-25, yy-20-h2, 50, 30);


//sterg apa
//ucg.setColor(125, 125, 125);  
ucg.setColor(0, 0, 0);  
ucg.drawBox(xx-35, yy+10-h2, 70, h2-h);

//desenez apa
ucg.setColor(0, 255, 255);  
ucg.drawBox(xx-35, yy+10-h, 70, h);

//desenz barcuta;
//desenez carena
ucg.setColor(255, 255, 0);  
ucg.drawBox(xx-20, yy-h, 40, 10);
ucg.drawTriangle(xx-25, yy-h, xx-20, yy-h, xx-20, yy+10-h);
ucg.drawTriangle(xx+25, yy-h, xx+20, yy-h, xx+20, yy+10-h);
//desenez catarg
ucg.drawBox(xx-1, yy-20-h, 2, 20);
//desenez velele
ucg.setColor(0, 0, 255); // vela albastra  
ucg.drawTriangle(xx+2, yy-20-h, xx+2, yy-h, xx+20, yy-h);
ucg.setColor(255, 0, 0); // vela rosie  
ucg.drawTriangle(xx-2, yy-15-h, xx-2, yy-h, xx-20, yy-h);
}


/
   Sketch for simplified weather station just DHT11 is: 
/*
original sketch by niq_ro from http://nicuflorica.blogspot.com using ucglib library
version for 2.2" TFT with ILI9341  - 2014.07.29, Craiova - Romania
use Universal uC Color Graphics Library from https://code.google.com/p/ucglib/
*/
#include <SPI.h>
#include "Ucglib.h"
//Ucglib_ILI9341_18x240x320_HWSPI ucg(/*cd=*/ 6 , /*cs=*/ 5, /*reset=*/ 4); // at Uno
//Ucglib_ILI9341_18x240x320_HWSPI ucg(/*cd=*/ 26 , /*cs=*/ 24, /*reset=*/ 22); // at Mega
//Ucglib_ILI9341_18x240x320_SWSPI ucg(/*sclk=*/ 52, /*data=*/ 51, /*cd=*/ 26 , /*cs=*/ 24, /*reset=*/ 22); //at Mega
//Ucglib_ILI9341_18x240x320_SWSPI ucg(/*sclk=*/ 76, /*data=*/ 75, /*cd=*/ 26 , /*cs=*/ 24, /*reset=*/ 22); //at Mega
Ucglib_ILI9341_18x240x320_HWSPI ucg(/*cd=*/ 26 , /*cs=*/ 24, /*reset=*/ 22); //at Mega and Due
/*

Due  |Mega | Uno | TFT - ILI9341
----------------------
D22  | D22 | D4  | RESET
D24  | D24 | D5  | CS
D26  | D26 | D6  | D/C
 ?   | ?   | LED (via 220 ohms resistor at 5V)
MOSI | D51 | D11 | MOSI
MISO | D50 | D12 | MISO
SCK  | D52 | D13 | SCK
-----------------------------
with CD4050 adapter or 10k resistor, power supply and logical levels is 3.3V
schematic: http://nicuflorica.blogspot.ro/2014/07/afisaj-grafic-color-qvga-de-22-cu.html
*/

#include <dht.h> 
// from http://playground.arduino.cc/Main/DHTLib
dht DHT;

float t1, t2;
float t10, t20;
float t11, t21;
float t12, t22;
float t13, t23;
int h11, h12;

void setup() {
delay(1000);

ucg.begin(UCG_FONT_MODE_TRANSPARENT);
ucg.clearScreen();
ucg.setFont(ucg_font_ncenR14r);
ucg.setColor(255, 0, 255);
ucg.setColor(1, 255, 0,0);

  ucg.setRotate90();
  ucg.setColor(255, 255, 255); // culoare alba
  ucg.drawFrame(0,0,320,240); //   
  ucg.setFont(ucg_font_courB24); // 20 pixel height
  ucg.setColor(255, 0, 0); // culoare rosie
  ucg.setPrintPos(60,30);
  ucg.print("Ministatie");
  ucg.setColor(0, 255, 0); // culoare verde
  ucg.setColor(0, 255, 0);
  ucg.setColor(0, 0, 255); // culoare albastru
  ucg.setPrintPos(17, 60);
  ucg.print("meteo cu DHT11");
//  ucg.setPrintPos(55, 90);
//  ucg.setColor(5, 255, 0); // culoare verde
//  ucg.print("si BMP180");
  ucg.setFont(ucg_font_fur17r); // 17 pixel height
  ucg.setColor(255, 255, 0); // culoare galbena
  ucg.setPrintPos(25,120);
  ucg.print("ecran grafic 2,2'' (5,6cm)");
  ucg.setFont(ucg_font_courB24); // 20 pixel height 
  ucg.setColor(0, 255, 255); // culoare bleo
  ucg.setPrintPos(10,150);
  ucg.print("QVGA cu ILI9341");
  ucg.setColor(255, 0, 255); // culoare mov
  ucg.setPrintPos(20,180);
  ucg.print("versiune 4.5.0");
  ucg.setFont(ucg_font_fur17r); // 17 pixel height
  ucg.setColor(255, 255, 255); // culoare alb
  ucg.setPrintPos(60,210);
  ucg.print("realizare niq_ro");

delay(5000);
ucg.clearScreen();
t13=40.0;
h12=40.0;
}

void loop() {
     
 // DHT11 part
 int chk = DHT.read11(37);
 delay(1000);
// timeout;
 int h11 = DHT.humidity; 
 if (DHT.humidity < 0) h11 = 0;

 int t12 = DHT.temperature;
int t15 = t12;
float t16 = 10*t15;
t16 = t16/10;

t16 = t12;
if (t16 != t13) 
{
temperaturi(t16, t13, 20, 0); // temperature, old temperature, x,y
termometre(t16, 20);
}

if (h11 != h12) 
{
// umiditate(h11, h12, 115, 90); // humidity, old humidity, x, y
 umiditate(h11, h12, 40, 180); // humidity, old humidity, x, y
 barca (h11, h12);
}




//}
delay (30000); 
t13=t16;
h12=h11;
} // final de program, se revine de la inceput

void temperaturi(float t3, float t4, int ics, int igrec)
{
int t5 = t3;
int t6 = t4;
ucg.setFont(ucg_font_courB24);    
if (t3*t4 < 0)
{ucg.setColor(0, 0, 0); 
for (int qy = 39 ; qy < 60; qy++) 
{
 ucg.drawHLine(ics+7, qy + igrec , 105);
}
}
int t51 = t5/10;
int t61 = t6/10;
ucg.setColor(0, 0, 0); 
if (t51 != t61)
{
for (int qy = 39 ; qy < 60; qy++) 
{
ucg.drawHLine(ics+28, qy + igrec , 21);
}
}
t5 = t3 - t51*10;
t6 = t4 - t61*10;
if (t5 != t6)
{
for (int qy = 39 ; qy < 60; qy++) 
{
ucg.drawHLine(ics+49, qy + igrec , 21);
}
} 
for (int qy = 39 ; qy < 60; qy++) 
{
 ucg.drawHLine(ics+91, qy + igrec , 21);
}
ucg.setColor(255, 0, 0);  
ucg.setPrintPos(10 + ics, 30 + igrec);
//ucg.print("t  :"); 
ucg.print("temperatura:"); 
ucg.setPrintPos(10 + ics, 60 + igrec);
if (t3 > 10.0) ucg.print("+");
else
 if (t3>0.0) ucg.print(" +");
else
 if (t3<0.0)
{
 t3=-t3;
 if (t3 > 10.0) ucg.print("-");
else
 if (t3 > 0.0) ucg.print(" -");
}  
if (t3==0.0) ucg.print("  ");
ucg.print(t3,1); 
ucg.print(" C"); 
ucg.setFont(ucg_font_fur17r); 
ucg.setPrintPos(30 + ics, 35 + igrec);
//if (igrec == 0) ucg.print("int"); 
//else ucg.print("ext"); 
ucg.setPrintPos(115 + ics, 50 + igrec);
ucg.print("o"); 

ucg.setPrintPos(75 + ics, 60 + igrec);
ucg.print(",");


}

void termometre (float t, int ics1)
{
ucg.setColor(255, 255, 255);  
ucg.drawFrame(ics1-4,10,9,200); 
ucg.drawCircle(ics1,220,10,UCG_DRAW_ALL);  
for (int a = 0; a < 10; a++)
{
ucg.drawLine(ics1-5,20+20*a,ics1-7,20+20*a);
ucg.drawLine(ics1+5,20+20*a,ics1+7,20+20*a);
}
ucg.drawLine(ics1-10,140,ics1+10,140);  
ucg.setFont(ucg_font_courB24);    
ucg.setPrintPos(13 + ics1, 149);
ucg.print("0 C"); 
ucg.setFont(ucg_font_fur17r); 
ucg.setPrintPos(37 + ics1, 135);
ucg.print("o"); 
int lin = 140 - 2*t;
ucg.setColor(0, 0, 0);  // black 
ucg.drawBox(ics1-2,21, 5, lin+5);
ucg.setColor(255, 0, 0);  
ucg.drawDisc(ics1,220,8,UCG_DRAW_ALL);  
ucg.drawBox(ics1-2,lin, 5, 210-lin);
}

void umiditate(int h3, int h4, int zet, int igrec1)
{
  ucg.setFont(ucg_font_courB24); // 20 pixel height   

// sterg semnul ??
int h51 = h3/10;
int h61 = h4/10;

ucg.setColor(0, 0, 0); 

// sterg zeci daca e cazul
if (h51 != h61)
{
//ucg.setColor(255, 255, 0); 
ucg.setColor(0, 0, 0); 
for (int qy = 39 ; qy < 60; qy++) 
{
//  ucg.drawHLine(zet+28, qy + igrec1 , 21);
  ucg.drawHLine(zet+40, qy + igrec1, 42);
}
}
  int h5 = h3 - h51*10;
  int h6 = h4 - h61*10;

// sterg unitati daca e cazul
//if ((t5 != t6) || (t5-t6>0.2))
if (h5 != h6)
{
//ucg.setColor(0, 255, 0); 
ucg.setColor(0, 0, 0); 
for (int qy = 39 ; qy < 60; qy++) 
{
  ucg.drawHLine(zet+79, qy + igrec1 , 21);
}
} 

 ucg.setColor(0, 255, 255);  
 ucg.setPrintPos(zet, 30 + igrec1);
 ucg.print("umiditate:"); 


//ucg.setFont(ucg_font_fub42n); // 20 pixel height   
ucg.setPrintPos(40 + zet, 60 + igrec1);
//if (h3 > 10) ucg.print("+");
if (h3 > 10) ucg.print(" ");
else
{
//ucg.setColor(255, 255, 255); 
ucg.setColor(0, 0, 0); 
for (int qy = 39 ; qy < 60; qy++) 
{
  ucg.drawHLine(zet+40, qy + igrec1 , 42);
}
if (igrec1 <30) ucg.setColor(255, 255, 0);  
else ucg.setColor(0, 255, 255); 
ucg.setPrintPos(61 + zet, 60 + igrec1);
//ucg.print("+");
ucg.print(" ");
}
 ucg.print(h3); 
 ucg.print("%"); 
}


void barca (int h, int h2) // new humidity, old humidity.,
{
int xx = 280; 
int yy = 230;

//sterg barca
//ucg.setColor(100,100,100);  
ucg.setColor(0,0,0);  
ucg.drawBox(xx-25, yy-20-h2, 50, 30);


//sterg apa
//ucg.setColor(125, 125, 125);  
ucg.setColor(0, 0, 0);  
ucg.drawBox(xx-35, yy+10-h2, 70, h2-h);

//desenez apa
ucg.setColor(0, 255, 255);  
ucg.drawBox(xx-35, yy+10-h, 70, h);

//desenz barcuta;
//desenez carena
ucg.setColor(255, 255, 0);  
ucg.drawBox(xx-20, yy-h, 40, 10);
ucg.drawTriangle(xx-25, yy-h, xx-20, yy-h, xx-20, yy+10-h);
ucg.drawTriangle(xx+25, yy-h, xx+20, yy-h, xx+20, yy+10-h);
//desenez catarg
ucg.drawBox(xx-1, yy-20-h, 2, 20);
//desenez velele
ucg.setColor(0, 0, 255); // vela albastra  
ucg.drawTriangle(xx+2, yy-20-h, xx+2, yy-h, xx+20, yy-h);
ucg.setColor(255, 0, 0); // vela rosie  
ucg.drawTriangle(xx-2, yy-15-h, xx-2, yy-h, xx-20, yy-h);
}


/
   I made two movies for understand better what is on display:
- weather station with Arduino Due on ILI9341 2.2" TFT display
   Information are displayed in the roumanian language, but you may change easy...
   For upload sketch for Arduino Due must update Arduino IDE software; now current version is Arduino IDE 1.5.7. BETA. 

   I wait with interest your views and comments!!!
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Location: Craiova, România

Monday, September 22, 2014

Arduiniq ver.3.0 (homemade compatible Arduino board)

   In case of dangerous experiments for an original Arduino board, like big consumption, high voltage at input module, etc I design and use more boards who use ATmega328P-PU microcontroller, but this is compatible with most official shields.
   Schematic is very simple, with few components:
   Board with components is:
   Schematic and boards are designed with Eagle PCB software and you can download sch and brd files for made boards by yourself. 
   A realistic 3D of my board is made with Eagle PCB software, too:
  
Note: ATmega328P-PU must have Arduino booloader on it...

1st update 24.9.2014)
   Schematic for conection between Arduiniq board and USB to TTL FTDI module is:
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Location: Craiova, România

Monday, February 3, 2014

English version for my best posts in roumanian language

   This blog was created for my readers who do not understand what I want to say, even if they use a translate tool like Google Translate.
   Most articles will be with the Arduino development board, like in my blog named http://nicuflorica.blogspot.com/, but I will try to introduce other interesting materials with electronics as in site http://www.tehnic.go.ro or old car as in http://www.niq.go.ro or in cumulated website named http://www.niqro.3x.ro.
   First page of each website:
- http://www.tehnic.go.ro
   Also on the facebook page I have a presentation page, named tehniq tehnic.go.ro:
   Quickly, I start posting articles in English or something similarities like English...

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Location: Craiova, România
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