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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1answer
83 views

What is this thing called “LCD interface” found in MCU datasheets?

When browsing ARM MCU datasheets I often find a thing called an "LCD Controller" or "LCD Interface" and I'm wondering what it is and how it works. It's present on the LPC3130[link|datasheet] and ...
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0answers
14 views

DS2401 initialization and usage

I have never worked with OneWire before and I am now trying to make the DS2401 Serial Number work, but without luck. Of course I started by reading the datasheets for the Serial, but I did not really ...
0
votes
3answers
69 views

LCD not working!

I am using a PCI1602F-B from Powertip as an LCD and an ATmega8 to communicate with it. Connection: -PORT D of ATmega8 with data-bus of LCD -PORT B0 of ATmega8 with Rs pin -PORT B1 of ATmega8 ...
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0answers
25 views

auto shift on keypad press in lcd using fujitsu F2MC-16LX MB90385 Series

We are using LCD and Keypad in our MCU and I was wondering how do i initialize my LCD so that every time there is a key press the display will automatically shift right and fill up the LCD as more ...
0
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1answer
22 views

hantronix HDM24216L-2-L3ES pinout

I am looking for the pinout on a hantronix HDM24216L-2-L3ES 24x1 LCD. I found the datasheet: http://www.hantronix.com/files/data/1278557021char-comm.pdf but I cant determine what the pinout is. Can ...
-1
votes
1answer
57 views

What kind of a display should I be using? [closed]

I'm looking for a display >= 160x144 that will use as little power as possible. This (hobby project) device of mine will be portable and I am hoping to have it last for months on regular AAA ...
1
vote
1answer
66 views

Custom LCD glass with ST7066: Can it display 8x8 characters?

I'm redesigning a product that has a custom LCD glass with a rather strange organization. It uses 22 segments with 14 commons. It's a little bit like the display in the picture below: Since this is ...
0
votes
1answer
20 views

TFT LCD panel product no.FH12A-40S-0.5SH(55) (Or Psp 1001 screen) to Xbox VGA

I received a broken PlayStation Portable the other day and decided to try and use the 4.3 LCD screen in a custom Xbox 360 console. Here is the .PDF for the panel. Page 6 and 7 contain the pin-out for ...
0
votes
1answer
61 views

Can't get any output in LCD with 18F2550

I have made circuit of contact less tachometer using PIC18F2550 micro controller. when I testing my circuit I cant get any output on LCD. But the LCD is turn on. I check all the connections one by ...
2
votes
1answer
49 views

Why doesn't my LCD work?

I have an 2.8" LCD that it's controller is ILI9325. I'm trying to use it. for start off, I have written a simple program. the program is this: ...
0
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1answer
48 views

DisplayLink LCD Controller [closed]

I want a small portable monitor (7 in) that can connect to my USB drive for power and picture (DisplayLink). I've found some cheap lcd screens, such as ...
-1
votes
1answer
75 views

atmega32 is working OK but atmega32A is NOT!

I have a board which there is an LCD on it and I want to show some lines in the LCD. I have a broken-pin Atmega32 which the broken pins didn't used for LCD, I have written a simple code which just ...
2
votes
2answers
63 views

Analyzing sniffed data from pins of LCD 2*16 using Atmega32

I sniffed DB4..7 of an 2*16 LCD using the below circuit : (Atmega32.PORTA1..3 is connected to GND) As you see above I connected En pin of LCD to INT0 of Atmega32 (That is configured for Falling ...
2
votes
1answer
82 views

Using a TFT display that has no controller

I have been using LCD screens (with the controllers) for my projects for a long time. Now I thought of learning how these screens actually work, the part before they go to the controllers. Well ...
0
votes
2answers
69 views

Google has no datasheet for ACX502ALM-7 LCD/resistive touchpanel

I have an ACX502ALM-7 series LCD+touchpanel combo. Google cannot find me a datasheet for it. Can any one of you? I'd like to possibly interface it (at least the touch screen part) to an Arduino Uno. ...
0
votes
1answer
64 views

LCD Display connection

How to connect this http://docdroid.net/ngqg LCD Display to microcontroller? It is ILI9341 based. Is it possible to connect only SPI/LED pins and leave every other input pin floating or I need to ...
1
vote
1answer
150 views

Arduino LCD Display drawing image issue

I am playing with 3,5" (400x240 chinese unknown 8-bit controller driven) TFT display which is placed into Arduino Mega 2560 R3 board. My final goal is taking .raw data from SD card and drawing it on ...
0
votes
1answer
30 views

How to Monitoring the lines between an Atmega8 and a LCD using Atmega32

I have a device that it use an Atmega8 to send some data to a 2*8 character LCD. the LCD has 8 pins and the pins are as below from left to right: DB7 | DB6 | DB5 | DB4 | En(Clock) | RS | VDD | VFF I ...
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0answers
24 views

Need Some Help Using a GLCD on EasyAVRv7

I am trying to use a GLCD, a WDG0151-TMI-V#N00 on my EasyAVRv7 board and I realized that I might need some help. The MPU I have is an ATmega32. Problem is, nothing works. For example I can't even tell ...
0
votes
2answers
60 views

Does anybody know where I can find datasheet of this 2*8 LCD

You can see a LCD wired on a board above. based on the back of its board, it has 8 pin and its seventh pin and eighth pin is connected to VCC and GND. I search in internet for datasheet of this ...
0
votes
1answer
54 views

Large round (20 or 24 inch) LED or OLED display? [closed]

Is their any such thing as a 20 or 24 inch round LED or OLED display? I've searched and searched to no avail and I am wondering is that even possible?
2
votes
1answer
43 views

Puzzlement on Evaluating the Datasheets of a GLCD

I have decided to use an LCD display for my project. In order to learn how to use one, I have consulted its and its drivers' datasheets. Here are the links for them: Link for the LCD display's ...
0
votes
2answers
59 views

LCD 2x16 I2C ST7032i

I write a code using Atmel ASF for SAM devices for LCD 2x16 with ST7032i controller. I've encounter an issue about reading and specifically "busy flag reading". How can i perform read instruction to ...
0
votes
2answers
76 views

Getting bottom row of black boxes with LCD Display on atmega32 MCU?

I need some help with this, I am a completely new to programing MCU's but I am trying my best to get this working and I could relay use some help. I am using the Sparkfun Basic 16x2 Character LCD ...
0
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1answer
42 views

LCD interface to Controller

I am using 3.2' TFT LCD with touch pad. LCD has pins RD and WR. What is RD and WR pin? Is WR for RD also ( for both write as well as read )? Where to connect RD pin of LCD? Please see attached ...
0
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1answer
63 views

LED Backlight driver output current

Our LCD has 10 series white LEDs for backlight with total Vf of 15V and current of 40ma. The backlight circuit is designed with SC4509. As per the datasheet its recommended output voltage is 20V and ...
0
votes
1answer
58 views

Problem initializing 4-bit mode LCD(DEM 20486 SBH-PW-N)

I've got an ATMEGA16 with a LCD display DEM 20486 SBH-PW-N (datasheet) connected to port C like so C0 - RS C1 - RW C2 - E C3 - not Set C4 - D4 C5 - D5 C6 - D6 C7 - D7 D0-D3 are grounded I ...
0
votes
2answers
98 views

HD44780 in 4bit mode connected to only ONE PORT on PIC

i am new to PIC programming. I am using MPLAB X + XC8 compiler. I have on a breadboard an PIC18F4550 connected to a HD44780 compatible LCD. Digging online i found out a routine to interface the PIC ...
1
vote
1answer
109 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 ?
1
vote
1answer
90 views

HDMI to MIPI conversion [closed]

I want to use a 1080p touch panel with an ODROID-XU3 Lite but unfortunately it seems that the ODROID only supports HDMI output and that 1080p panels are only really available with a MIPI interface. I ...
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0answers
73 views

Identifying unusual LCD pinout of salavaged HP printer

I salvaged the following lcd from a relatively new HP printer, but the pinout seems a bit odd, any ideas how could I set up the screen?
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0answers
178 views

SPI LCD Screen on OpenWrt based hardware using Atheros AR9331

I'd like to connect a graphics lcd 240x64px to my OpenWrt based hardware, which is based on Atheros AR9331 MIPS architecture. The development board I'm using has SPI outputs... I've been using the ...
0
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0answers
42 views

4-lamp-inverter with LCDs designed for 1 or 2 lamps

can i use a 4-lamp-inverter with LCDs designed for 1 or 2 lamps? The unused lamp connectors could be closed with resistors as suggested here. Or, is it safer to use an 1-lamp-inverter with an LCD ...
1
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0answers
37 views

Can't drive adafruit display with Arduino DUE

I'm currently trying to write a library for the Adafruit ST7565 graphic display. (see links below) The current one is entirely AVR specific and the code is generally pretty unreadable given the ...
0
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1answer
65 views

Redoing the factory calibration of LCD panels?

Is it possible to rewrite factory calibration of LCD panels? I am not talking about buying a Spyder 4 or X-Rite calibration device and generating a software lookup table at the OS, or graphics card ...
2
votes
1answer
84 views

LCD connector repair [closed]

Does any one know if it is o.k to run a soldering iron over the connector with the fine black traces on in the photograph attached(or below I am new to pic posting :D)? I have an office kitted out ...
0
votes
4answers
167 views

Wiring up an LCD display with unknown controller

I found an old LCD in my pile of trunk. I would like to be able to use it. However, someone (possibly / probably me) sawed off the part of the PCB with the series code, so I can't know what the ...
1
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0answers
238 views

Controlling LCD with MSP430 via I2C backpack PCF8574

I'm at my wits end with this at the moment. I need to interface my MSP430G2553 with the PCF8574 I2C expander in order to drive an LCD display. So far I've had not much luck at all. There is very ...
2
votes
2answers
143 views

Issue of power line noise

I am laying out PCB for a stopwatch project that I made couple of months ago. I seem to have taken care of the only sensitive part i.e. crystal, since it is time measuring device. But I also see that ...
1
vote
1answer
120 views

Why do LCD Screens ripple through cameras?

I noticed that when taking pictures of an LCD screen (thank you, laziness to print), that while I look at the LCD screen through the cell phone camera, the screen has both 1) Ripples and 2) Moving ...
1
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0answers
110 views

LCD screen with a dark patch, hot, hissing and whole screen flickering: what is happening exactly?

I've just had a problem with an LCD monitor, but this question is not about solving this problem. Google did that. I want to know what is happening at the electronic and physical level. Google didn't ...
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vote
0answers
74 views

Remote control of audio equipment over RS-232 with Arduino

These questions are following on from my previous question Reverse engineering old serial devices and cloning with Arduino about the monitoring of RS-232 traffic. I had some good success and now have ...
1
vote
0answers
79 views

Video streaming from image processor

The project I'm working on involves streaming video from an image sensor to an LCD, preferably as cheaply as possible. My question is: can I get an image processor/sensor SOC (a la ...
2
votes
1answer
86 views

Basic idea of color look up table

I'm driving an ILI9230 LCD 320*240 16bit interface, with a framebuffer of 250*200 and I want to drive it as 4bit. so I built a loook up color table like that: ...
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2answers
144 views

Getting an 8-bit LCD display interface to work

I have a LCD which this controller is used with: LCD Single Chip Driver. I am trying to get it to work with an 8-bit interface, but in my kit I can't find the three pins that are mentioned in the ...
1
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3answers
378 views

Weird output on 16X2 JHD162A LCD display

I am learning interfacing of Atmega 16a with 16X2 LCD. I have a written a header file for routines which will used frequently and every time I want to interface with LCD using Atmega 16a I use this ...
1
vote
1answer
54 views

how to turn backlight on for BC1202A LCD

Hopefully this question isn't too novicelike: I have an LCD (BC1202A) that I want to drive from a parallax propeller board. Spec data:link1 and link2 After hours of mucking around (mis-wiring, ...
3
votes
3answers
257 views

Weird problems with LCD (HD44780 compatible)

I've been trying to interface with a HD44780 compatible display (16x2) for quite a few hours now, but have run into some weird behavior problems which I can't solve. My setup: I'm using the LCD in ...
0
votes
2answers
113 views

Replacing a sound module's LCD/EL backlit display with a LCD/LED backlit display

I am attempting to upgrade my Kurzweil K1200 rack sound module's display with a LCD/LED display (it currently has an LCD/EL display). The reasons are numerous; but longer life, brighter display, and ...
2
votes
2answers
356 views

Displaying a custom character on 2x16 LCD

I have written a working LCD driver for a NHD‐0212WH‐ATGH‐JT and I would like to add the possibility to create your own custom characters. Through some research I understood that I need to write a ...