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.
0
votes
0answers
21 views
Beagleboard-xm: Dual screen capability?
I'm having trouble finding anything about this by Googleing. I have seen LCD expansion boards for the Beagleboard-xm. Can I have two screens, one connected to the HDMI port and one through the ...
2
votes
1answer
38 views
Intercepting signal between uC and LCD driver
I'm trying to intercept the signals between an old Elan uC and a HT-1622 LCD driver using a PIC18F14K50. There are 3 lines that are connected to the IOs of the uC: CS, WR(write clk) and DATA. At first ...
2
votes
3answers
127 views
Arduino Rounding question
I have made a simple thermostat for controlling a 12V heater. The temperature range can be from 0 F to around 190 F. For some reason when the displayed temperature on my LCD goes from 99 to 100 ...
4
votes
1answer
74 views
Controlling a 4.2V LED (LCD backlight) with a microcontroller
I have a PQC1602K-SYL alphanumeric LCD display with a backlight LED. I would like to drive the LED using a microcontroller pin. How can I achieve that?
What I have tried
According to the data sheet, ...
0
votes
0answers
40 views
Solar panel behind a dot matrix screen
I'm wondering if there is any kind of dot matrix screen (LCD, Eink, etc) that doesn't use a backlight (it's ambient-lit like wristwatch LCDs) and has a built-in PV panel behind the screen.
I realize ...
3
votes
2answers
77 views
What is the term for an LCD readout that is, by design, still visible after power-off?
I am looking to build an electronic device that has an LCD panel on it with a feature I noticed my Western Digital MyBook external hard drive has which is the ability to display data and it stays ...
1
vote
2answers
56 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 ...
0
votes
0answers
79 views
Testing an Inverter
I have a Samsung T240 LCD and while using it, a strong smell of a burnt component/wire/plastic is present.
I disassembled the device and I've noticed that the smell comes from an inverter that's in ...
1
vote
2answers
41 views
Resistive Touchscreen Stands in Midway of the ADC in standby
In a resistive touchscreen I am trying to read x-y position. The schematics is as followed. The code works fine and when I press a point, it reads correct position well but the problem is in standby ( ...
1
vote
0answers
105 views
LCD display reverse engineering
I recently got in my hand an old phone lcd display.
Display itself seems to be useful so I took apart it from the rest, and I begun to test its behaviour.
Display is named SHARP LM167511 and its ...
0
votes
3answers
71 views
How to interface with LCD display - HYeLCD, HC20216NYU
I am trying to drive a small (20x2) LCD screen from a Parallax Propeller board/chip. Can't find a decent manual anywhere. This is the LCD:
...
2
votes
2answers
97 views
TFT LCD tutorial?
I am not sure if it is a good question or not, but I want to start working on TFT LCDs.
I have good experience both on T6963 and KS0108, dot matrices, but zero experience on TFTs.
Can anyone give any ...
0
votes
0answers
33 views
GLCD t6963c write data problem
I am trying to get a 128x240 LCD with t6963c driver. The pinout is ok and I could manage to make the cursor blink.
but it seems that no data is sent by write command ( write and increment = 0xC0 ) and ...
0
votes
0answers
33 views
GLCD t6963 auto write problem
I am trying to send data to a 128x240 display driven by t6963 in autowrite mode by ATMega128 under AVR-GCC.
the code gets stuck when checking DAWRDY bit ( to see if the driver is ready for receiving ...
1
vote
1answer
54 views
t6963 GLCD very low contrast
I am trying to setup a 240x128 GLCD with t6963c driver (datasheet). I am familiar with ks0108 drivers but newbie in t6963.
I have written a simple code with only lcd-init() that I expect to see the ...
3
votes
2answers
136 views
Just burned my first LCD… but why?
I just attempted my first project with an LCD, and it did not go well. I am hoping to get some advice on how to prevent this from happening to my next LCD.
On the first night everything seemed to ...
1
vote
1answer
32 views
How to use touch screen shield for GLCD?
I know this is a very elementary question. I was wondering if it is possible to use a touch screen shield on a normal GLCD to change it into a touch-GLCD.
I have seen a product which is a transparent ...
0
votes
1answer
42 views
Problem with LCD 128x240 pinout
Recently I bought a 128x240 LCD with ts6963c driver chip. The part number is TS240128D-1. I am familiar with KS0108 driver but the problem is different pinouts.
I found a good manual in a book for ...
0
votes
0answers
97 views
Display controller chip with parallel 24-bit RGB input for video rotation/scaling
I am looking for a display controller chip that has digital video input (parallel 24-bit RGB888) and is capable of scaling and rotating video images to be displayed on a 10" TFT-LCD. I'm streaming ...
-1
votes
1answer
80 views
How can I use an old LCD screen? How can I determine each pin? [closed]
I took apart a broken iHome ip90. I now have the lcd screen, but I want to figure out how to use it in a project or something. I am used to getting nice instructions and tutorials, but obviously it's ...
-2
votes
1answer
65 views
LCD that can be controlled via serial? [closed]
I am very new to hobby electronics, but I was hoping I could find a way to get an LCD (preferably a backlit monochrome LCD with a grid of pixels -- something like this) that I could somehow mount in ...
0
votes
0answers
125 views
How to drive seven-segment LCD with CD4055 IC
I have a problem using DE-112 seven-segment (two digits) liquid crystal display with CD4055BE IC. As far as I know, LCD should be provided purely AC current, or it will be damaged with time.
I have ...
0
votes
1answer
219 views
LCD screen gets hot and sucks power from Raspberry Pi
Has anyone else experienced LCD screens overheating, and drawing too much current? I was trying a GPIO project with my Raspberry Pi in an attempt to interface with an LCD screen but for some reason my ...
2
votes
2answers
247 views
Looking for datasheet for SHARP LS030Y3DX01 Display
I am looking for the datasheet for the LS030Y3DX01 LCD display from Sharp.
The display is a 3 inches with the resolution 480x800 pixels.
The only thing I have found is on this web site that ...
2
votes
1answer
98 views
What type of LCD backlight does this screen have?
We are in the very early stages of developing a new product and are attempting to identify the type of LCD screen backlight we want to use. We are using a regular segment LCD glass screen, the type ...
0
votes
1answer
84 views
Interfacing with an LCD screen
I have managed to salvage the LCD screen from an old Tom-Tom (the model number of the screen is LTE430WQ-F0B-0BS). It comes with a driver for the screen on the back, but it doesn't look humanly ...
1
vote
1answer
47 views
MM5452 with 4 digit parallel 7-segment LCD display
I have a question regarding the backplane connection for the MM5452. From this data sheet:
MM5452/MM5453 Liquid Crystal Display Drivers
It says that the backplane pins on the MM5452 connects to a ...
3
votes
2answers
176 views
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 ...
1
vote
1answer
86 views
A good TFT LCD for a project
I am starting a project and I need a colour screen preferably clear to shuffle through images (think of it as the digital photo frames). However, I need something bigger than the usual screens, maybe ...
3
votes
1answer
141 views
Is it safe to unplug power, from a working LCD monitor?
I've built a system using a pressure sensor on my chair, which in-turn controls a switching-relay such that when I get up from this chair, power to all my LCD screens is switched-off by the relays, ...
1
vote
2answers
123 views
PIC : Problem with LCD Initialization
As we are developing our application based on the PIC18F66K22. We need to interface LCD with it. We have the LCD working with it but the problem that we are getting is that the LCD initialization ...
0
votes
0answers
41 views
updating with clock problem
I am trying to update Time to a LCD, and I used a logic like this but it doesn't update or even show anything.
Can anyone suggest where I went wrong ?
PIC30F5011 processor / MPLAB 8.8
...
0
votes
0answers
51 views
pwd voltage at laptop inverter
I am trying to repair my LCD back light. I bought a new inverter (as the screen works if I plug it in through another screen), but it is still not working.
I tested the input pins for voltage (6 ...
0
votes
2answers
88 views
Can anyone identify this LCD Display
How do I go about identifying an LCD display module so I can get a data sheet?
16 Pins to one side in 2 rows of 8.
printed on PCB: hy-211
printed on PCB: v0022201 rev.b
printed on a sticker on ...
3
votes
1answer
205 views
Differences between OLED, LED, LCD, and TFT Screens
I have heard about these different types of screens on DIY websites and in consumer electronics. What are the differences in these types of screens and what are their advantages and disadvantages?
-1
votes
1answer
200 views
ILI9163C : LCD showing garbage after initialization
I am using a LCD having ILI9163C as LCD controller with pic18f66k22 with 8-bit parallel data interface. The problem that I am getting is that after initializing the LCD it shows the garbage instead of ...
0
votes
0answers
88 views
Error with Arduino and LCD Screen Communicating
I have been trying to code where if a button is pressed on an LCD screen, the coordinating LED light will light up. The odd things is that I've gotten the buttons to work twice randomly, but other ...
3
votes
1answer
142 views
How Are Pixels Sent To The Screen?
So, today I started to wounder how pixels are stored, then push though the graphical bus. I have not really done much with LCD or touch screens. I do know from my programming background they are ...
2
votes
1answer
110 views
Is this a common LCD display?
I'd like to know if this LCD display is a common one like the HD44780. Sadly there is no model number on it, only the brand(?) "onv" or maybe it should be "auo" when you read it upside down. It's part ...
1
vote
0answers
226 views
Arduino - Solenoid Valves and Pumps Control (Relay Shield & Motor Drive Shields)
I’m trying to control two Diaphragm Pumps (12VDC/4.3W) and five Solenoid Valves (24VDC/10W) using Arduino Uno & Arduino Display Module.
I know there are many different ways to control these ...
1
vote
0answers
175 views
16 x 2 LCD not displaying analog inputs fed to ATmega168
I am experiencing some problems getting a display of analog inputs(current and voltage) fed to ATmega168's A0 and A1 respectively. I believe the wiring and the program are correct since the same ...
3
votes
2answers
111 views
Getting rid of ripple from an LCD backlight
I have built a circuit which contains an integrated power supply stepping down mains voltage to 5v through a transformer, rectifier circuit and a voltage regulator. With a couple of smoothing caps the ...
0
votes
0answers
83 views
how to add 0.8 mm FPC hotbar soldering in cadsoft Eagle ?
I am designing a connector for my 2.2 LCD which has 0.8mm pitch fpc cable for soldering. I could not find the board for 0.8mm pitch. So I want to design my own. But in eagle the default library has ...
0
votes
1answer
183 views
DFRobot LCD shield minimum pin connections
I am connecting a DFRobot LCD shield (http://www.dfrobot.com/index.php?route=product/product&product_id=51#.UYWE0itxsVk) to a bareduino. There will be no shield placed on top of the LCD and am ...
2
votes
0answers
478 views
MPLAB XC8 vs MikroC problem
I have been trying to write a program for LCD on PIC18f452. I found a library and worked on it and MPLAB XC8 compiled it successfully. I tested it in ISIS and it ...
1
vote
1answer
755 views
TFT LCD interface with a Microcontroller: Getting Started
I have a small 3.5 in TFT LCD display from a Chinese manufacturer. It doesn't have an integrated LCD controller. The documentation claims it is a "16 bit RGB/parallel interface" and it uses a Renesas ...
3
votes
3answers
320 views
TFT LCD pixel clock filtering
I would like to know how to filter the pixel clock in order to reduce emitted radiations.
Block diagram
The LCD controller is part of a motherboard. A board, connected at the other side of the FFC ...
-1
votes
1answer
488 views
HDMI/VGA/NTSC/PAL to 24-bit parallel RGB interface [closed]
Adafruit.com is selling TFT-LCD modules that comes with an NTSC/PAL driver board. The product specification page includes a link to the original manufacturer´s datasheet/specifications for the TFT ...
0
votes
0answers
132 views
TFT LCD shield doesn't work properly
We have bought TFT LCD shield 2.6.
And got library for it by this link:
TFT LCD Library
When we try to execute graphicstest example, it shows setup part. But doesn't show loop part. What can be the ...
2
votes
2answers
160 views
Interfacing a 16x2 Character LCD to the Arduino
A friend recently gave me a set of three (old) 16x2 LCD displays. (datasheet)
However, I'm having difficulty thinking through how to connect one to my Arduino. Particularly, each LCD has 14 (!) ...
