Questions about LCDs, 7-segment LEDs, E-ink displays, etc.

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ST7565 LCD wiring with Arduino

I have this SPI 128x64 COG LCD display which uses ST7565 for its controller. After some searching, I found that a tutorial at ladyada.net. So with the "schema" from Digole and the information from ...
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31 views

Displayport-to-analog video OR HDMI-to-analog video conversion

In an embedded system, we have two video sources which output identical image data: one of them is DisplayPort, the other one is an HDMI output. In this embedded system, we need an analog video ...
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1answer
73 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 ...
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4answers
120 views

Why do most PWM LED displays and backlights operate at a relatively low frequency?

All around me are a bunch of electronics: digital clocks, my laptop, a refrigerator, a dimmable flashlight, and more. What they all have is perceptible flickering of their displays due to PWM, ...
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0answers
97 views

Simulate a simple calculator with FPGA

I'm a beginner in FPGA and I studying some VHDL programming. so for my first project I want to create a simple calculator with keypad and LCD Display and FPGA processor. I know that I must first ...
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2answers
54 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 ...
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2answers
116 views

How large is “one pixel” for S5 AMOLED display?

Referring to Samsung Galaxy S5 OLED Pixel structure in oled-display.net, in particular this image illustrates the S5 AMOLED pixels: To my understanding, the yellow rectangle should represent "one ...
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2answers
79 views

Creating a “virtual” LED display

I have a small project and I would like to have an LED display, just for the sheer fun and look of it. However it would be too expensive for me to make (I would like to use RGB leds) and I would need ...
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4answers
365 views

What are some of the segmented displays with the lowest power consumption?

I have to select a low-power display for a solar-powered digital clock. I have looked into numerous technologies, including e-ink. However, I was still unable to compare between them due to the lack ...
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2answers
118 views

LVDS vs MIPI, what's the difference?

What are the practical differences between LVDS and MIPI? A little background information: I am attempting to build my own projector on the cheap and want to use a nexus 10 LCD panel (2560 X 1600 ...
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1answer
61 views

What is custom AMOLED display technology? [closed]

I want to know about custom AMOLED display technology?
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3answers
91 views

Why does a screen resoltion is same for both a mobile phone and a 60inch TV Screen? [closed]

Resolution of say 1080 x 720 means 1080 vertical lines of pixels and 720 horizontal line of pixels. This means a total of 777,600 numbers of pixels across the width and breadth of the screen. Now for ...
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3answers
165 views

Technique to drive seven segment displays with external components

I'd like to ask for some advice on the circuit described below: I'm building a matrix of multiplexed seven segment displays, with common anode. The ports D1-D3 and segments A-DP will be driven by ...
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2answers
111 views

7-segment display driver IC [closed]

Which IC can I use to control 7-segment display? I want to make simple projects like a reaction timer but I don't have an Arduino or some other microcontroller available. What ICs can I use instead?
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1answer
86 views

HDMI to RGB conversion

I am working on a HDMI dongle based on I.MX6Q with reference to the design files shared in Freescale community. I want to feed HDMI input to processor. As there is no HDMI input available with ...
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1answer
93 views

Display for outside (sun)

I am currently working on a little project where I would like to have a display which would have to support this format: 00 00:00:00 This would have to be used outside on a motorcycle ...
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1answer
62 views

Identify Display Technology

Can somebody tell me what display technology this is? There're digits made out individual pixels and then there're glyphs. It is installed behind white plastic.
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2answers
81 views

low power displays

What kind of displays can I use effectively with a coin cell battery (CR2450)? The backlight or the entire display would be on only when necessary. From previous answers I know that a liquid crystal ...
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3answers
310 views

How can I use/convert the touchpad, keyboard and screen of an old laptop to use them with a desktop PC? [closed]

Is there a common way for all the laptops' hardware, like screen, touchpad, and keyboard, that can be followed in order to use them with a desktop PC? What I need to do, to use screen, touchpad, and ...
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0answers
154 views

Finding/figuring out pin configuration on undocumented components

I recently purchased an assorted set of LCD/LED displays, and inside there were a set of components which I cannot find a datasheet for upon googling the component number. For instance in the ...
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1answer
409 views

My OLED 128x64 0.96 inch(with SSD1306 driver) doesn't work!

I'm working to use of this OLED but I don't know why doesn't it work!? the Schematic of adaptor is this: and this is assembeled project on breadboard: when I check out the pins of SPI of ...
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1answer
88 views

If your monitor screen flikkers, what could be generally the causes of this? [closed]

If your monitor screenlight (not data, just the licht behind it) flikkers, say 30 times per second orzo, what could be generally the causes of this flickering of the light generally speaking?
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0answers
166 views

7 Segment 8 digit jumpo display using pic 16f877a controller

I am designing master and slave jumbo (4") 7 segment 8 digit display using PIC16F877A controller the display is common anode with 12 v supply. When I am driving only 4 digit its working fine. When I ...
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1answer
98 views

How do I connect this piece of electronics to show the digit display? (from satellite decoder)

I have the following piece of board/electronics: Link: http://i.imgur.com/jwomLz8.jpg Link: http://i.imgur.com/4BCKU21.jpg Now, I recently bought an arduino, so I want to connect the digit ...
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1answer
554 views

What is this type of flexible contact strip called?

The LCD below is from a cheap digital clock which was (obviously) damaged (broken glass). The electrical connection between the PCB and the display was realized with this pink strip. Its ...
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60 views

What kind of connector is this?

I opened display from my Dell D600 notebook and found connector like this If I did good count, there is 2x44 pins inside.After some research, I found model of the screen, and it is ...
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0answers
56 views

Driving 2 displays with 1 board (LVDS)

We would like to connect 2 LCD displays with a Cubieboard that has a 2 channel 8 bit LVDS output. The displays have 1 channel 8 bit LVDS interfaces. My question is, is it possible to control the 2 ...
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1answer
94 views

Help me understand the pinout of this 21" LED display driver

I am trying to connect a 21" LED Display driver's input pins to my power board. There is a datasheet also but it doesn't have the input pin diagram. Therefore, I have got the below attached input pin ...
2
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1answer
200 views

Utility of two pins requiring same voltage

I have a LED backlight driver, which has input pin assignment as: Pin Function 1,2 12V Input 3 Brightness control PWM : 100Hz~20KHz DC : 0.5V~2.5V 4,6 ...
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0answers
121 views

What is the rs-485 protocol for controlling old flipdot displays?

I have an old Luminator flipdot 16x112 pixel bus destination sign I'd like to hack. There are numerous resources on the internet for controlling the flipdot display panels with new circuitry, ...
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0answers
58 views

Identify connector with > 1.5mm pitch for display panel

simulate this circuit – Schematic created using CircuitLab The current display panel that I picked has 0.5mm pitch for the FPC cables that comes out of the panel as shown in the first ...
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0answers
56 views

Which display technology (for small displays) allows the thinnest bezel around the display area?

Generally speaking, what display technology (e.g. TFT / AMOLED / PMOLED / etc) allows for the smallest construction size with respect to the "bezel" of the display (i.e. the area around the active ...
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2answers
302 views

Why DisplayPort cables must isolate the power pin?

I've been investigating why my 2560×1440 DisplayPort monitor and my mini-DisplayPort MacBook Air don't play along, and, it turns out, this is likely due to a wire in the cable that connects the two ...
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140 views

Help identifying this LCD module

I am looking to identify the LCD module pictured below and find a datasheet for it, or otherwise determine the pinout and figure out how to properly drive it. Front The lines of text on the ribbon ...
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2answers
79 views

Technical hurdles for high-frequency video output implementation

I'm wondering if HDMI or DVI formats support the display of input signals at high frequency > 240Hz. Most current TVs only display high frequency video from signal interpolation, but only capture ...
3
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1answer
88 views

What is the real amount of reproducible colors on CRT display?

Let's say, a generic consumer-level CRT. How much colors can it reproduce?
3
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1answer
145 views

7-segment gas discharge display - segments are not lit up completely

I'm currently trying to revive an old (as in 30 years) panel meter (a Weston 1234). I was able to re-calibrate it again, but I'm facing a problem with its display. The display consists of two ...
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1answer
560 views

Connect Marsboard with Touch Panel and access GPIO pins

I am thinking about using a MarsBoard A10 and LCD Touch Panel for low volume commercial product but I have to confirm some capabilities first. Firstly, what would it entail to get the Marsboard A10 ...
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1answer
809 views

Beaglebone Black TFT display

Is there any way to connect to LCD display modules through SPI as can for example be done with the Rapberry Pi through the use of https://github.com/notro/fbtft/wiki. I would also like to use one with ...
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0answers
203 views

Add touch screen to pcDuino

I am trying to figure out what the most economical and most effective way would be to add a touch screen to a device powered by a pcDuino. I know there are a lot of cheap options available for Arduino ...
7
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1answer
1k views

How electronic price tag works?

Today I was in Tesco in my city and I saw something quite interesting, that was electronic price tag: I don't know how it happend, but on a parking I found this price tag in my basket beneath some ...
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1answer
134 views

Can I use a Bus Pirate to drive this VFD?

So a few months ago I asked the question on how to analyze a display. Since then I have found out much information about this board. From some trace following it seems that Brown - DATA Red ...
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3answers
451 views

Low power, seven segment display

I want to display a 4 digit number on a small device that fits in a hand. I have a CR2032 3V battery at around 230mA, my microprocessor is a 8051 (in a BLE112) usually uses about 0.9µA and I want the ...
2
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2answers
337 views

How way to display images in ultraviolet?

The purpose of this is to show images to mice, which have one UV shifted cone relative to humans. An ideal solution would be a monitor that had 3 wavelengths : 365nm, 410nm, and 500nm. But, the 410nm ...
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1answer
224 views

What's a good way to mount an OLED display to a glass/acrylic window?

I have a graphic OLED display I'm using for a project and need to mount it in a chassis. I was planning on using some sort of clear window in an aluminum panel. Perhaps acrylic or glass. I'm ...
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0answers
416 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 ...
5
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1answer
296 views

Segment display – Why selecting segment by GND

I bought display and for my surprise it works same as display i already had. I must chose segment i want to light up by GND and not by output pin on my Arduino. Is it normal or there is something ...
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0answers
185 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 ...
2
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2answers
210 views

Capacitor in circuit for potentiometer?

In a German tutorial video about EAGLE, starting at 1:15 the author adds a trim potentiometer for regulating the contrast of an A162 display. Between the slider and ground he adds a 100 nF capacitor. ...
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1answer
581 views

Identifying and finding replacement for LCD display module

I have a Line 6 POD X3 amp modeler. It has a small LCD display module which was shattered during my last move and the device became unusable. I have attempted to identify the model of this display to ...