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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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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15 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 ...
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1answer
15 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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26 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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39 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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34 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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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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1answer
99 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
62 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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32 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
33 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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28 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 ...
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notebook asus x551ma - moire pattern takes place - how to reduce effect on linux [migrated]

I just faced a strange issue with my notebook asus x551ma LED and LCD (the Moire Pattern) which is quite good described on wiki pages; Some users provide "how they handle the effect for their ...
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1answer
37 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
39 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
55 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
62 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
74 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
90 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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3answers
122 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 ...
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1answer
51 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
52 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) ...
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1answer
262 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 ...
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1answer
68 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
62 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
103 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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53 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 ...
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1answer
127 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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42 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 ...
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1answer
204 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 ...
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2answers
45 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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149 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
110 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 ...
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61 views

What have I got wrong on these LCD control programs for 18F4550 PIC?

I'm writing a couple testing codes for LCD control with a microcontroller. I'm using mikroC compiler, with a 18F4550 microchip microcontroller with a 20MhZ crystal. PIC is running on a simple ...
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1answer
66 views

Problem interfacing with an lcd with an arduino

My lcd arrived today and i saw that when i connect the backlight pins (A and K) to GND and +5V, the backlight turns on, but i cannot control it with the potentiometer. The wiring seems fine (ive ...
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1answer
115 views

16x2 LCD Missing Components on the Back [duplicate]

I'm quite new to electronics and am doing it as a hobby. I recently bought a 16x2 LCD display online to use it with an Arduino. When I received it, it noticed that there were a few components missing ...
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0answers
47 views

Odd red noise appears on the display of my Samsung SyncMaster 943N monitor [closed]

I have a problem with my Samsung SyncMaster 943N monitor. For some reason red noise appears on the displayed screen. Notice the red noise around the white zones in the image: Tried connecting it ...
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1answer
128 views

16x2 LCD display not working with arduino or RaspPi

I have a 16x2 LCD display that I'm just trying to use for the first time. The model number is 1602D1 according to this datasheet from where I purchased it. I first tried attaching it to a Raspberry Pi ...
5
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3answers
721 views

Meandering traces necessary for 24-Bit parallel RGB LCD interface?

I am working on a project that interfaces an Atmel SAMA5D3 MCU with a LCD TFT display. The interface between both is 24-Bit parallel RGB with HSYNC and VSYNC signals. The resolution of the display is ...
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3answers
120 views

Controlling the power from a 9V battery with a potentiometer

I'm working on a project where I'm powering an LCD screen backlight via a 9V battery. As it is currently, I'm powering the LCD via a 9V battery. This works great, but I'd like to have the ability to ...
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1answer
71 views

Control LCD with TIP121 on Arduino not displaying anything

I'm trying to control the power of an LCD I2C display. My project uses and Arduino and LCD, but when Arduino goes to sleep, the LCD stays on. So, to solve this problem, I connected a TIP121 transistor ...
9
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1answer
874 views

What are rubbery, conductive strips called?

I found a component attached to a PCB inside one of my old $5 devices. There are pink, rubbery things attached to either side of the LCD that can bend and were firmly attached (glued?), and there are ...
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2answers
44 views

Suitable FFC socket for this LCD module

I've ordered this LCD module, and I'm trying to find a suitable connector for it. It's 26 pins with pitch of 0.8mm, but as you can see, the right hand side is "sticking out" of the connector. Is this ...
3
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1answer
92 views

Hitachi HD44780 LCD works exactly 50% of the time

My Hitachi LCD works 50% of the time. Is it a problem is a deboucing reset button issue on the AVR? Why is this happening? Here's a video of what is happening. This does not happen if I write on the ...
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1answer
70 views

Atmega32 LCD program not working

i have recently been into atmega world after i heard it is much better than pic and it is my second tutorial about writing to LCD i wrote this program in atmel studio but it doesnt work i double ...
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2answers
146 views

Is my LCD TV doing some sort of dithering? [closed]

I'm using a 32" 'LED' TV as a monitor (1920x1080 over HDMI). I've been noticing some annoying horizontal stripes where the source is displaying grey pixels. It seems that what's happening is the TV ...
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1answer
119 views

LCD shows strange behavior upon micro-controller reset

I have written a code for the 'PIC18F4550' micro-controller (20MHz xtal) which shows "Speed = xxx RPMs" on an HD44780 LCD in 4-bit mode, where the xxx is the value contained in the variable called ...
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0answers
85 views

Can't display on LCD with Atmega 328

I tried to display hello world on a 20x4 LCD using Atmega328. But I failed to display any character on the screen. I'm not sure where the problem is, either the initialization or the timing order. I ...
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1answer
378 views

How to fix Hitachi HD44780 16x2 LCD garbled display in 4 bit mode?

It often happens that a HD44780 16x2 LCD shows garbled characters during usage. Most help on the web advises for using snubbing techniques to prevent voltage noise such as induction spike. I've done ...
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1answer
152 views

How to communicate 'rawly' with an HD44780 compatible LCD?

I have a HD44780 compatible lcd display (QC1602A). I did a lot of research and found some helpful things, but none of then seemed to really have worked. I'm not using any lcd library (C), only the ...