Arduino Uno 3.5 U/TFT LCD 480×320 Touch Screen Module

Beskrivelse

Arduino Uno 3.5 U/TFT LCD 480×320 Touch Screen Module.

Tekniske detaljer:

Display ColorRGB 65K color
Screen Size: 3.5(inch)
Type: TFT
Driver IC: R61581
Resolution: 480*320 (Pixel)
Module Interface: 8-bit parallel interface
Active Area: 73.44*48.96(mm)
Module PCB Size: 85.49*55.63(mm)
Operating Temperature: -20℃~70℃
Storage Temperature: -40℃~70℃
Operating Voltage: 5V/3.3V
Power Consumption: TBD
Applicable for Arduino Uno & MEGA 2560 development board, compatible with UTFT / UTFT_Buttons / Utouch Library for Arduino Mega2560.
This LCD display module is based on R61581 controller, high quality for a long time use.

Installere Arduino IDE Software

Før du kan starte din programmering skal Arduino’s IDE software hentes. Dette program bruges til at programmere chippen.
Download fra dette link: Downlaod

Installere Adafruit-GFX-Library-master

• Download library (Download)
• Udpak filer
• Flyt/kopir mappen “Adafruit-GFX-Library-master” til  “libraries” som findes i “Arduino IDE” mappen (C:Program Files (x86)Arduinolibraries)
• Åben Arduino IDE software og klik på “Sketch/Include library”
• Klik nu på “Add Zip. library” og find Zip filen du lige har downloaded.
• Åben “Manage” for at opdatere library.
• Luk, og åben Arduino IDE programmet. (Genstart programmet)
• Nu er Adafruit-GFX-Library-master Library installeret

Installere MCUFRIEND

• Download library (Download)
• Udpak filer
• Flyt/kopir mappen “Adafruit-GFX-Library-master” til  “libraries” som findes i “Arduino IDE” mappen (C:Program Files (x86)Arduinolibraries)
• Åben Arduino IDE software og klik på “Sketch/Include library”
• Klik nu på “Add Zip. library” og find Zip filen du lige har downloaded.
• Åben “Manage” for at opdatere library.
• Luk, og åben Arduino IDE programmet. (Genstart programmet)
• Nu er MCUFRIEND Library installeret

Programmering

Inden programmeringen kan udføres skal den rigtige “COM” port findes. Klik “Værktøj/Port” – og vælg COM port.

Eksempel

Her vises er eksempel på hvordan du men en “Button” kan lave en funktion til On/Off”.

Du skal bruge:

• 1 Arduino Uno R3
• 1 Standard USB stik
• Dupont Breadboard Kabel

Kode:

#if 1

#include <Adafruit_GFX.h>
#include <MCUFRIEND_kbv.h>
MCUFRIEND_kbv tft;
#include <TouchScreen.h>
#define MINPRESSURE 200
#define MAXPRESSURE 1000

// ALL Touch panels and wiring is DIFFERENT
// copy-paste results from TouchScreen_Calibr_native.ino
const int XP = 6, XM = A2, YP = A1, YM = 7; //ID=0x9341
const int TS_LEFT = 907, TS_RT = 136, TS_TOP = 942, TS_BOT = 139;

TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300);

Adafruit_GFX_Button on_btn, off_btn;

int pixel_x, pixel_y; //Touch_getXY() updates global vars
bool Touch_getXY(void)
{
TSPoint p = ts.getPoint();
pinMode(YP, OUTPUT); //restore shared pins
pinMode(XM, OUTPUT);
digitalWrite(YP, HIGH); //because TFT control pins
digitalWrite(XM, HIGH);
bool pressed = (p.z > MINPRESSURE && p.z < MAXPRESSURE);
if (pressed) {
pixel_x = map(p.x, TS_LEFT, TS_RT, 0, tft.width()); //.kbv makes sense to me
pixel_y = map(p.y, TS_TOP, TS_BOT, 0, tft.height());
}
return pressed;
}

#define BLACK 0x0000
#define BLUE 0x001F
#define RED 0xF800
#define GREEN 0x07E0
#define CYAN 0x07FF
#define MAGENTA 0xF81F
#define YELLOW 0xFFE0
#define WHITE 0xFFFF

void setup(void)
{
Serial.begin(9600);
uint16_t ID = tft.readID();
Serial.print("TFT ID = 0x");
Serial.println(ID, HEX);
Serial.println("Calibrate for your Touch Panel");
if (ID == 0xD3D3) ID = 0x9486; // write-only shield
tft.begin(ID);
tft.setRotation(0); //PORTRAIT
tft.fillScreen(BLACK);
on_btn.initButton(&tft, 60, 200, 100, 40, WHITE, CYAN, BLACK, "ON", 2);
off_btn.initButton(&tft, 180, 200, 100, 40, WHITE, CYAN, BLACK, "OFF", 2);
on_btn.drawButton(false);
off_btn.drawButton(false);
tft.fillRect(40, 80, 160, 80, RED);
}

/* two buttons are quite simple
*/
void loop(void)
{
bool down = Touch_getXY();
on_btn.press(down && on_btn.contains(pixel_x, pixel_y));
off_btn.press(down && off_btn.contains(pixel_x, pixel_y));
if (on_btn.justReleased())
on_btn.drawButton();
if (off_btn.justReleased())
off_btn.drawButton();
if (on_btn.justPressed()) {
on_btn.drawButton(true);
tft.fillRect(40, 80, 160, 80, GREEN);
}
if (off_btn.justPressed()) {
off_btn.drawButton(true);
tft.fillRect(40, 80, 160, 80, RED);
}
}
#endif

SD Kort

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