Questions tagged [lcd]

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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What are rubbery, conductive strips called on the sides of an LCD screen?

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 ...
nimsson's user avatar
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10 votes
2 answers
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SPI device prevents ISP programming

I have an ATmega8 with a Nokia LCD 5510 connected to it. Everything works great on a breadboard and my next step is to move it to a more permanent board. My problem is that I can't program the ATmega8 ...
Tom Van den Bon's user avatar
15 votes
1 answer
7k views

Mysterious LCD interface without wires [duplicate]

I was ripping off a Center 352 Infrared Thermometer. The basic functionality is to sense the temperature and display it on an LCD. The LCD turned out to have no interface to the controller. The PCB ...
seetharaman's user avatar
9 votes
1 answer
4k views

Easily controlled color LCD for hobby projects?

I'm looking for some not too expensive, easy to control color graphics LCD I can use for various hobby projects, along with an AVR microcontroller or maybe an ARM in the future. The cheaper the better,...
davr's user avatar
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0 votes
4 answers
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Powering Arduino from a voltage divider

I'm making a voltmeter for the college senior project, and the problem is that voltage divider should equally split 17V into two 9V(nominal value of the batteries. As of now, an actual voltage is 8.5V ...
Dystopia0range's user avatar
17 votes
9 answers
8k views

DSP recommendation for beginners [closed]

I am considering a project involving a fair share of digital signal processing. As far as I know, the best type of IC suited for this are the Digital Signal Processors. I have never worked with them ...
Dominik's user avatar
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5 votes
1 answer
23k views

How to connect an Arduino UNO to an LCD 1602

I got an Arduino UNO and a 16x2 alphanumerical LCD on hand, the LCD looks like this: I just have no clue about how to connect these two together. I got some Dupont Line, just want to know how to wire ...
vivi's user avatar
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3 votes
2 answers
47k views

Reusing Webcam and Monitor from old laptop

I asked this question on SuperUser.SE, about reusing the webcam and monitor from an old laptop (motherboard died). Following a suggestion there, i posted this question here. I found out a question ...
JoséNunoFerreira's user avatar
0 votes
1 answer
326 views

LCD Gasket Causes Touchscreen Issues

Edit: Pretty much all conjectures in my question have been proved to be incorrect. I started fresh with a new approach. New question is here. Original question: I'm having an issue with a ...
Drew's user avatar
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19 votes
6 answers
13k views

Reusing laptop monitors

I have a 17" laptop monitor with a 1920x1200 (WUXGA I beleive it's called? or just UXGA?) resolution which I simply love. Now, assuming the laptop dies before the monitor does, would anyone know if it ...
falstro's user avatar
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19 votes
5 answers
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Do graphical/pixel mapped LCDs need a screensaver?

Will displaying the same for a very long time on a graphical or pixel mapped LCD harm the display in any way? If so, what would be a maximum time to display the same, or how could I determine that ...
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10 votes
2 answers
3k views

How exactly is an LCD damaged by DC current?

LCD displays are driven by AC waveforms. I've seen many references referring to permanently damaging them with DC current. When exposed to DC, LCD's fail and conduct excessive current. My question is: ...
gtrevorjay's user avatar
9 votes
5 answers
25k views

Debugging a 16x2 LCD Display on an Arduino

I have a standard 16x2 LCD display (I believe it is Hitachi HD44780 compatible - see summary and specification below), hooked to an Arduino Uno using 4 data pins, as described here, though I've added ...
Richard Russell's user avatar
8 votes
3 answers
3k views

What is this type of digits-only LCD called?

I've seen this type of LCD many times in weigh scales, calculators, gauges, micrometers, etc. I know it's a fairly traditional display but I really like its compactness, simplicity, and maybe it even ...
boardbite's user avatar
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7 votes
1 answer
952 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 ...
GordonFreeman's user avatar
7 votes
6 answers
1k views

Serial Enabled LCD

What sort of LCD should should i be using to go with my Arduino? I have used the HD44780-compatible LCD in the past, but heard that the Serial Enabled LCDs make life a lot easier.
mad_z's user avatar
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6 votes
2 answers
6k views

Hot Bar Manual Solder

I've just ordered some sample LCD displays. The only model available for now is hot bar solder (instead of a regular connector). Do you have any experience soldering regular thin wires to this type ...
Padu Merloti's user avatar
5 votes
3 answers
12k views

Is it possible to wire up a cellphone screen to work with a different device?

I'm trying to find out if it is possible to send video to a cell phone screen (just the screen, not the phone) like this one from something like a video-mp3 player or even from maybe a mac-mini, or ...
JonathonG's user avatar
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5 votes
1 answer
441 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 ...
Napster's user avatar
  • 507
4 votes
2 answers
3k views

Diagnosing LCD backlight inverter problem

I am having problems diagnosing the error with a notebook LCD display inverter. Symptoms: After switching the notebook on, the LCD backlight comes on but the intensity oscillates rapidly (flickers). ...
ARF's user avatar
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4 votes
2 answers
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Can zebra strips (elastomeric connectors) be cut to size?

I have a handheld radio with an LCD display. Due to time and climate, the rubber in the elastomeric connector seems to have gone hard and as a result the LCD shows the usual signs of failure, letters ...
Ingmar Hupp's user avatar
4 votes
5 answers
2k views

Debugging initialization of LCD with NT7605 driver

I've been trying to get my LCD initialized for about a week now, and am quite embarrassed to say that I've been unsuccessful thus far. I've done this in the past, and I remember it being a little ...
Dave's user avatar
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3 votes
1 answer
4k 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) ...
Ricardo's user avatar
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3 votes
2 answers
3k views

Where can I find a fast (1KHz) LCD plate?

I'm not looking for a graphic or text LCD display here, just essentially a single, large pixel, capable of going from dark-light-dark in under 1ms. The faster, the better. The idea is to create a ...
Evan Krall's user avatar
3 votes
1 answer
6k 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 ...
Manu de Hanoi's user avatar
2 votes
1 answer
1k views

Gizduino atmega644 + Universal keyboard and display terminal (e-term)

I have a clone of Arduino which is GizDuino ATMEGA644 and a Universal Keyboard and Display Terminal (e-term). With this images I connected the terminal to the microcontroller, after connecting that I ...
NewInEverything's user avatar
1 vote
1 answer
697 views

Powering ILI9341 LCD from MCU IO pin

Looking at the ILI9341 datasheet Electrical Characteristics, I just can't find information about power consumption. The information is also missing from the LCD module datasheet (ER-TFT024-3). I know ...
Amir Gonnen's user avatar
1 vote
1 answer
136 views

Brightness / contrast controls: what do they do on LCD displays?

I was not able to find an answer via web search. AFAIK LCD displays can control brightness via changing brightness of backlight, in turn via electric current value (up/down). I don't recall reading ...
Martian2020's user avatar
1 vote
5 answers
346 views

Problem with IC chips, Eprom and LCD Screen

EDIT: I have made the changes suggested with the &gate and the 555 timer to get the (E) enable pulse. I hooked up a debounced switch so I could walk through step by step. This highlighted some ...
Rick Dearman's user avatar
1 vote
2 answers
733 views

LCD Module Datasheet Or Other Info

So I came across this LCD module the other day. The only obvious writing on it is SOLOMON. After typing in every number I could find on it I finally came across this mention online: http://nutsvolts....
NickHalden's user avatar
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1 vote
1 answer
490 views

LCD Delamination and Lamination Process

I have an iMac display (thin LCD) that has the glass broken yet the LCD is fully functional and another iMac display with LCD broken but glass undamaged. I am wondering if there is any recommended ...
metron's user avatar
  • 121
1 vote
2 answers
154 views

Basic LCD drive question for Lumex

Sure this is a pretty basic question for you guys, but figured I'd start here. Is the linked LCD screen driven by some type of driver, or do you just supply logic voltage to whatever pin you want to ...
Jeremy Gardner's user avatar
1 vote
1 answer
7k views

How do I configure the wires in the LVDS 30 pin cable?

I explain: I have a screen that I want to use as a monitor. I have purchased an LCD controller board and a LVDS cable I need someone to help me to rewire the LVDS cable. I have the input terminal pin ...
MELE's user avatar
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1 vote
1 answer
403 views

Panel mounting an LCD screen in a hobby project

I am looking into the initial design of a project I am working on as a hobby. I would like to use a development kit with an integrated LCD such as the 32F469I-DISCOVERY. I would like to include this ...
Hugoagogo's user avatar
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1 vote
1 answer
2k views

How can I solder LCD Pins when solder does not "stick"?

I have a 16 * 2 LCD Display, with 16 input pins. However while I am soldering the pins it it does not stick or "take". How can I fix this? Is there any other metal for soldering a display ?
Vivekanand Dhakane's user avatar
1 vote
1 answer
288 views

Help with this protocol - LCTC

I have a 640x200 monochrome display from a HP 200LX palmtop computer. On its PCB I can see two types of ICs: HD66204TFL and HD66205TFL from Hitachi. Here is its schematic (it has 200 px not 240 as in ...
Cornelius's user avatar
  • 5,068
1 vote
2 answers
492 views

What is TFT driver SSD1963 data voltage

I recently bought a TFT module driven by SSD1963 I have experience on t6963 and ks0108 and by a quick look it seems ok to make a MCU interface to ATMega128. What is confusing to me is the difference ...
Aug's user avatar
  • 1,571
0 votes
1 answer
71 views

What exactly is the need of Back and Front poch delays in VGA ,TF,LCD Timings?

I am trying to interface a 24 Bit TFT screen. But I am having a hard time understanding the need for Back and Front poch delays and how to calculate these ?
Virendra Kumar's user avatar
0 votes
1 answer
636 views

Screen with built-in NFC

So I've started working on a small project (small at the moment) and I'm seeing some issues in my prototype plans, and I need your help with this. Short answer: I need a led touchscreen with NFC ...
Trisma's user avatar
  • 103
0 votes
4 answers
3k views

Clearing display of lcd

I'm using serial communication to display the the data to my 4x20 lcd display. When I filled up all the lines of course I need to clear it. I've search over the net and found something like ...
NewInEverything's user avatar
-1 votes
1 answer
229 views

Does a 16x2 LCD display has its own EEPROM?

I want to know the "internal parts of an LCD"... but I can't find any from the results. https://youtu.be/dZZynJLmTn8?t=2m40s @2:40s "....according to the ASCII" does that mean ASCII is stored ...
kaneki's user avatar
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