Short for Liquid Crystal Display. LCDs consume little power, and exist in graphic LCDs, or segmented. The latter type is used for character and 7-segment digit display, and also in custom LCDs for consumer electronics.

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60 views

Text LCD doesn't function normally on mixed-signal PCB?

I have power supply, analog part and microcontroller part on one 2-layer PCB board, very simple. The LCD is on the microcontroller part. It works normally when I have it on a separate board with only ...
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1answer
22 views

How to connect mobile lcd with arduino? [on hold]

I am trying to connect Sony Ericsson w910i lcd display with ardunio. Is it possible to connect with it ? Thanks
0
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1answer
24 views

Problem in GSM interfacing with 8051 (AT89S52)

I have been trying to interface GSM using the code and circuit from this link, since 2 days. only difference is that I am using AT89S52 and SIM900A module, but I am not getting any response like OK on ...
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0answers
61 views

Are LCD module connections universal? - trying to troubleshoot a display

I'm trying to repair an older lighting console that has a blank on-board hitachi LCD display (240x320px, I think). I am trying to determine if the problem is the display driver board or the console's ...
2
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3answers
94 views

Why not use monochrome LCD's instead of E-ink?

Recently I've been reading about E-ink displays and the benefit over LCD's, as I understand it, is that there is no backlight in E-ink displays and thus, physical light is reflected, making reading ...
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0answers
50 views

How to reduce/eliminate/replace the bright back light in LCD TV [closed]

I have removed the vertical polariser film from my LCD TV, so it is quite bright when the TV is on. Is there a way I can make the LCD screen less bright while vertical polariser is removed and by ...
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2answers
61 views

Is a LCD backlight adjustable?

Wondering is LCD's backlight adjustable? If so, by making it dimer will the elements on the screen still be visible? Thanks
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1answer
48 views

Unknown LCD display circuit design

I opened up the case of an old toy to take a look at what is inside. The device had what seemed to me a bizarre LCD display with a controller(or microcontroller?) I have never seen before(middle ...
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2answers
67 views

Shapes getting distorted while displaying in LCD

I am trying to display a circle in my 800*480 LCD (TIANMA). But an oval shape is getting displayed instead of circle. The length of LCD is 15.5 cm. Assuming square pixels length to breadth ratio ...
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1answer
46 views

Simple Circuit to stream video [closed]

I want to stream online video to an LCD screen from a phone or tablet. In the circuit will also be an accelerometer, battery, and perhaps a cache (if this would improve streaming). What kinds of parts ...
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1answer
35 views

MIKROE-55 - LCD Datasheet [duplicate]

I'm a bit confused by the datasheet of a LCD (MIKROE-55). It says supply voltage is 3.5V (TYP), which results in as Supply current of 16mA. At first I understood this as: "connect K to GND and A to ...
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1answer
47 views

Do new LCD TVs have TFT?

I am writing an essay about LCDs. None of the websites I've used mention anything about the dates and eras that newer technologies were used in LCDs, so wondering, does anyone know whether TFT is ...
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0answers
18 views

Can I connect TFT LCD screen to Arduino Leonardo same way as it's recommanded for Arduino Uno? [migrated]

I want to connect the Arduino TFT LCD 1.77" screen to an Arduino Leonardo. Acording to this tutorial I should connect some pins on LCD screen to ICSP pins on Leonardo but I don't have equipment to do ...
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0answers
28 views

Powering LCD driver board with li-ion battery pack causes screen to go on and off

I have PCB8000099-V.6 HDMI to LCD board. I am trying to power it using 5V 2A USB li-ion battery pack. When I do so the screen repeatedly goes on and off. What would cause that to happen? I am using ...
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0answers
22 views

Cannot find datasheet on LCD inverter

I recently took apart a HP Pavillion dv7-1170us, and inside, I found an LCD CCFL inverter: PWB-IV11150T/L5-E-LF After doing a search, all I could find were people selling the part, but with no ...
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2answers
76 views

What happens if we give a command to LCD to print something without clearing the initial data it is displaying? Does it overwrite the previous data? [closed]

I've just started with embedded systems. Although, lcd should be cleared to print new values, but I read a code which was working even without clearing lcd. EDIT: The LCD is based on JHD162A
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1answer
54 views

Help, How do I interface this screen with an arduino?

I have a very small LCD screen for my Arduino, it has a ribbon cable on it and I do not know how to connect it with an Arduino, it has a small piece of paper on it and that reads " OS096016PP08MB2B10 ...
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0answers
31 views

LCD Flickering when Shielding is not Connected to Ground

I got myself one of these LC-Displays: http://www.sainsmart.com/sainsmart-hdmi-vga-digital-9-9-inch-1024x600-lcd-driver-board-for-raspberry-pi.html It's a barebone LCD setup with just the components ...
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1answer
43 views

Nokia 1616 LCD AVR Issue

I seem to be having a weird and frustrating issue. I have a Nokia 1616 LCD to which I am displaying images stored on an SD card. Everything worked fine when I was breadboarding it but when I ...
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0answers
33 views

How to utilize the flexible memory controller (FMC) in the STM32F746xx to interface with an LCD and SDRAM?

After reading one too many datasheets and whitepapers, I believe I have confused myself. First, though, let me explain what I want to do. I have a STM32F746BG (ARM Cortex-M7: Datasheet), and I need ...
4
votes
1answer
45 views

Why does my LCD screen emit sound when displaying black-and-white lines?

I recently discovered this page (epilepsy warning; flashing lights), which displays horizontal black and white lines and animates their thickness. Amazingly, it makes my laptop LCD screen emit an ...
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0answers
41 views

Beaglebone black + serial enabled LCD

I'm trying to interface a SparkFun Serial Enabled 16x2 LCD (3.3V) to a Beaglebone Black. Since the beagleboard has on-board 3.3v and ground, I used that for the power to the LCD. For the 3.3v TTL ...
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1answer
49 views

Connecting 16x2 LCD to 8051

I am developing an application on the 8051 chip and I'm using Multisim to simulate the connection. I have connected RS to P3.0, E to P3.1, D0-D7 to P2, Vcc to 5V, GND and Vee to ground. I just want to ...
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1answer
47 views

What are LCD Display Drivers & LCD Display Controllers? What are their applications?

I have used graphic and alphanumeric LCDs. I have come across LCD Display Drivers & LCD Display Controllers ICs. When are they needed and what do they do?
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1answer
45 views

Power a laptop LCD inverter

I disassembled a very old Compaq laptop (about year 1990 1998). I took the LCD monitor and I would like to power the backlight on through the original inverter. You can find some photos of the ...
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2answers
131 views

How to easily get -10V and 170V

I have just managed to control an old LCD of type TLX-1013-E0 using an arduino. I would now like to use it for a project. But it needs -10V for the contrast and 170V for the background lighting. ...
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1answer
66 views

LCD Display text disappearing

I'm using LCD display and keypad to control my stepper motor. My stepper motor uses a 12Volts, 2Amperes power supply and I used L298N as its driver. My code functions well but the problem is everytime ...
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0answers
36 views

PIC 18F23k20 as LCD driver

I was asked to devise an LCD driver using a PIC18f. Here's some information on what I'm using. PIC 18f23k20 LCD-S401M16KR-81359 It's a 1/3 bias 4 common multiplexed 7-segment display. I have the ...
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1answer
35 views

Flash IC/ CMOS RAM/ microSD in TFT LCD

I have seen cases where TFT module contains flash or SD card on module. What is the need of flash in LCD? In simplest way, we connect RS,RD/WR,CS,RESET pins and 7/8/16/24 bits data pins of controller ...
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0answers
31 views

what are the extra pins on this 4x20

I am trying to control LCD ADM2004D with ATMega32 AVR microcontroller. There are 16 pins on top which are explained in the datasheet. But what about those four or six pins on right hand side? what are ...
0
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1answer
41 views

Programming a W78E52B MCU

I'm trying to control a LCD screen from my PC. I have a W78E52B MCU with a sample code written in a .c file which I want to compile and upload to the device, preferably from a Linux environment for ...
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2answers
45 views

Interfacing with a graphic lcd

I am ordering a graphic lcd NHD‐12864AZ‐FL‐YBW and most of the interface code seems pretty simple. On the datasheet it has the following list of commands I don't understand what is put in the write ...
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1answer
61 views

LCD printing blocks

Over the last couple days i have attempted to get my LCD to print "hello world". However for some reason not matter what code i upload from the liquid crystal examples on the arduino program, it ...
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2answers
69 views

How do you initialize an LCD screen to be used with the MSP430

I have successfully wired everything together and the LCD powers up fine. Its a 16x2 display. The one problem i see is that when the LCD gets power, one of the rows is visibly darker than the other ...
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1answer
87 views

Is there an advantage in using 8-bit mode in 16x2 LCD displays?

Since almost all 16x2 LCD displays support 4-bit mode, and as it seems to be pretty efficient, is there a reason why they have 8-bit modes? I am using a JHD162A display with my Arduino Mega. Since the ...
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3answers
98 views

What is this display technology called?

I saw this display on Adafruit. They describe it as a mix of an e-ink (the low power consumption) and an LCD (the fast response time). And further as "a matt silver background, and pixels show up ...
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2answers
213 views

LCD 16 x 2 1602A Interfacing

I have bought a 16 x 2 LCD which I want to interface to a ATMEGA 324 microcontroller. The problem is that the vendor didn't give me a good enough datasheet. It does not contain any information ...
3
votes
1answer
56 views

How are DACs integrated in color LCD screens?

I'm having trouble imagining what actually happens inside an LCD screen. I picture digital RGB data for each pixel getting sent to the screen through a connector. Lets say we have 24-bit color for ...
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1answer
67 views

How to drive 3 1/2 digit static TN LCD with ATmega328 in low power mode?

I've built this clock with a 3 1/2 digit static TN LCD (GYTN-0587). I drive the 28 LCD segments with an ATmega328 and four 74HC595N shift registers chained together. Here are the (simplified) ...
13
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1answer
291 views

1000 Hz+ refresh rate displays/ projectors? (for making volumetric displays)

I have found only few volumetric displays for the kind of effect I'm looking for. They can be divided by two characteristics into two separate groups each: rotating or moving screens, and moving ...
1
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2answers
96 views

Connecting an LCD display to msp430 launchpad?

So im trying to give my lcd display (Lumex 1602) 5v. Im trying to use the test pins on my msp430 launchpad TP1 and TP3. On the LCD pin 1 is gnd and pin 2 is power. for the launchpad TP1 is power and ...
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1answer
64 views

Emulating greyscale on a 1-bit LCD

I have an LCD (the DOG-M 102x64, with a uc1701 controller) that I am driving (over SPI, but that's somewhat irrelevant) from an AVR (ATMega16 @ 8 MHz) - all in all, a fairly low spec'd screen with a ...
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1answer
127 views

Is my 16x2 LCD display broken?

I was programming my PIC microcontroller to the 16x2 LCD (Hitachi HD44780) to test out some codes, but when I tested my circuit again, my LCD started going haywire displaying some fuzzy or corrupted ...
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0answers
70 views

Pinout/Datasheet of Delta DAC-08N001 backlight inverter

I'm repurposing a old notebook display for another project but I can't find the datasheet for the backlight inverter. It's labeled Delta DAC-08N001 and has a 5-Pin input connector (as opposed to the ...
0
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1answer
150 views

Salvaging colour LCD from Brother MFC-J6710DW printer

I have salvaged a colour LCD from an old Brother MFC-J6710DW printer and I'm trying to work out its pinout, to eventually use with an Arduino. On the back it has the following characters printed: ...
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0answers
43 views

Simulating LCD device

I wanted to connect LCD LM016L in my device simulating it on Proteus.I wanted to use 8255 to connect the LCD directly with one port of the 8255.But I have a doubt do I need a controller too or just ...
1
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1answer
309 views

STM32F407 FSMC interface with TFT LCD

I've written some code to make a FSMC connection between my STM32F407VET6 and a TFT LCD 240x320 pixels. I was checking this several times, however I can't recognize what's wrong. I'm using 16-bit data ...
0
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2answers
54 views

Power Supply amp doesn't match with adapter. Can I use the adapter? [duplicate]

Can I use this LCD display: http://www.itontec.com/product-detail/product-name-7/ With this adapter: *Display Specs: Power Supply(5~12V 2A) *Adapter Specs: Output: 12V - 1A Is that safe to use ...
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2answers
191 views

How to create an embeded system for LCD GUI design? How to choose an MCU? [closed]

Okay so here is my exact problem.... I want to design an embedded system with a micro controller at it's heart that I can use to control various peripherals all powered by a batter that can be plugged ...
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0answers
118 views

issue with 16x2 lcd and DC motor

i am using 16x2 LCD for my project,aim for the project is to control dc motor using gsm,lcd displays the status of the motor,motor is controlled by the relay.but whenever motor starts the LCD become ...