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RETRAS - LCD Grafic 128x64 Serial

RETRAS - LCD Grafic 128x64 Serial

Name: RETRAS - LCD Grafic 128x64 Serial
Brand: Sparkfun
SKU: LCD-16
Price: 175.00 RON
Availability: OutOfStock
Rating: 5 (4 reviews)

4 Review-uri

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Durata de livrare: 1 zi

Cod Produs: LCD-16 Ai nevoie de ajutor? 0731 007 832

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Descriere
Review-uri (4)

Ecranul LCD Grafic Serial permite :

afisarea de text
desenare de linii, cercuri si dreptunghiuri
control asupra fiecarui pixel(set/reset)

Dispozitivul se cupleaza la Arduino prin trei fire : VCC si GND, cuplate respectiv la portul de 5 V si GND al Arduino, si un al treilea fir pentru semnalul util, fir care se cupleaza pe portul TX al Arduino.

Specificatii:

Rezolutie: 128x64

Tensiune : 6V-7V

Curent: 220mA

Input: 0-5V 115200 bps(ajustabil), 8 data bits, 1stop bits, no parity

Dimensiuni : 7,62 X 5,08 X 1.52 cm

Program:

// Graphic Serial LCD 128x64

// Arduino Pin 8 (RX) to LCD Pin TX (NOT USED, NOT NECESSARY)

// Arduino Pin 9 (TX) to LCD Pin RX

// Arduino Pin Vin to LCD Vin (Assuming you're powering Arduino externally with 9 VDC)

// Arduino Pin Gnd to LCD Pin Gnd

void setup() {

Serial1.begin(115200);

clearScreen();

// Set a dim display

setBackgroundBrightness(1);

// Note how by default it prints at upper left

print("hello");

// Note that 0,0 is at lower left side of display

setX(5);

setY(10);

print("world");

// Draw a big X

drawLine(0, 0, 127, 63, 1);

drawLine(127, 0, 0, 63, 1);

// Draw a centered circle

drawCircle(63, 31, 31, 1);

// Draw a box in the center

drawBox(31, 15, 95, 47, 1);

}

void loop()

{

}

void print(char *data){

Serial1.print(data);

}

void clearScreen(){

Serial1.write(byte(0x7C));

Serial1.write(byte(0x00));

}

void demo(){

Serial1.write(byte(0x7C));

Serial1.write(byte(0x04));

}

void toggleSplashScreen(){

Serial1.write(byte(0x7C));

Serial1.write(byte(0x13));

}

void setBackgroundBrightness(byte value){

Serial1.write(byte(0x7C));

Serial1.write(byte(0x02));

Serial1.write(byte(value));

}

void setBaudRate(long value){

// Get the internal reference for this baud rate

char *ref = " ";

if(value == 4800)

ref = "1";

else if(value == 9600)

ref = "2";

else if(value == 19200)

ref = "3";

else if(value == 38400)

ref = "4";

else if(value == 57600)

ref = "5";

else if(value == 115200)

ref = "6";

else

return;

// Since it often rolls back to 115200, try setting it via 115200 first

Serial1.begin(115200);

Serial1.write(byte(0x7C));

Serial1.write(byte(0x07));

Serial1.print(ref);

// Now change the serial port to the desired rate, and set it again.

Serial1.begin(value);

Serial1.write(byte(0x7C));

Serial1.write(byte(0x07));

Serial1.print(ref);

}

void setX(byte value){

Serial1.write(byte(0x7C));

Serial1.write(byte(0x18C));

Serial1.write(byte(value));

}

void setY(byte value){

Serial1.write(byte(0x7C));

Serial1.write(byte(0x19));

Serial1.write(byte(value));

}

void setPixel(byte state){

Serial1.write(byte(0x50));

Serial1.write(byte(0x40));

Serial1.write(byte(state));

}

void drawLine(byte startX, byte startY, byte endX, byte endY, byte state){

Serial1.write(byte(0x7C));

Serial1.write(byte(0x0C));

Serial1.write(byte(startX));

Serial1.write(byte(startY));

Serial1.write(byte(endX));

Serial1.write(byte(endY));

Serial1.write(byte(state));

}

void drawCircle(byte startX, byte startY, byte radius, byte state){

Serial1.write(byte(0x7C));

Serial1.write(byte(0x03));

Serial1.write(byte(startX));

Serial1.write(byte(startY));

Serial1.write(byte(radius));

Serial1.write(byte(state));

}

void drawBox(byte topLeftX, byte topLeftY, byte bottomRightX, byte bottomRightY, byte state){

Serial1.write(byte(0x7C));

Serial1.write(byte(0x0F));

Serial1.write(byte(topLeftX));

Serial1.write(byte(topLeftY));

Serial1.write(byte(bottomRightX));

Serial1.write(byte(bottomRightY));

Serial1.write(byte(state));

}

void eraseBox(byte topLeftX, byte topLeftY, byte bottomRightX, byte bottomRightY, byte state){

Serial1.write(byte(0x7C));

Serial1.write(byte(0x05));

Serial1.write(byte(topLeftX));

Serial1.write(byte(topLeftY));

Serial1.write(byte(bottomRightX));

Serial1.write(byte(bottomRightY));

Serial1.write(byte(state));

}

Linkuri:

Datasheet (Descrie protocolul de comunicatie dintre Arduino si LCD)

Codul sursa pentru controllerul lcd

Proiect Ceas USB

Tutorial : update firmware

bogdan, Acum 3 ani

se poate cumpara de la dumneavoastra si shieldul respectiv ,fara ecran?

A fost util acest review?

bogdan, Acum 5 ani

se poate folosi cu raspberry pi?

A fost util acest review?

Pif, Acum 7 ani

Am facut si eu upgrade, este destul de incurcat pentru un incepator ca mine, poate foloseste si altora, am ales solutia de la http://www.sparkfun.com/products/9351#comment-4eaad851757b7fd351008a9f cu cateva observatii: - connectorului LPT i-am unit pinii 18-25, altfel nu a vrut sa comunice - in Makefile a trebuit sa scot commentul si pentru AVRUDE_NO_VERIFY = Y, altfel primeam verification error in continuu. Acum pare intr-adevar mult mai rapid. Fiind un update asa de popular si util, chiar si neoficial, poate robofun ar putea lua in considerare posibilitatea oferirii acestui display cu noul firmware.

A fost util acest review?

Laurentiu, Acum 7 ani

Firmware-ul original este lent si plin de erori (daca ar fi sa mentionez numai imposibilitatea de a folosi CR/LF pentru a scrie pe randul urmator). Solutia pentru a avea un display complet functional este upgrade-ul de firmware si utilizarea unei biblioteci corespunzatoare. Am reusit operatiunea si acum posed un LCD excelent si complet functional, plus cateva facilitati suplimentare datorate noului firmware. Succes!

A fost util acest review?