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

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2
votes
2answers
36 views

low power displays

What kind of displays can I use effectively with a coin cell battery (CR2450)? From previous answers I know that a liquid crystal display without backlight can be used but I wanted to know if there is ...
2
votes
3answers
38 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 ...
-6
votes
0answers
42 views

7segment number representation [closed]

I need to use a 7 segment display to display the numbers of my PIN. basically I need to know how to display the numbers from 0 to 9, with a certain delay in between each number and a bigger delay ...
0
votes
0answers
43 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 ...
0
votes
1answer
105 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 ...
-1
votes
1answer
83 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?
0
votes
0answers
66 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 ...
2
votes
1answer
88 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 ...
12
votes
1answer
473 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 ...
0
votes
0answers
49 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 ...
0
votes
0answers
26 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 ...
0
votes
1answer
79 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 ...
1
vote
1answer
194 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 ...
1
vote
0answers
58 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, ...
0
votes
0answers
53 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 ...
0
votes
0answers
50 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 ...
2
votes
1answer
116 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 ...
1
vote
0answers
108 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 ...
1
vote
2answers
76 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
votes
1answer
85 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?
2
votes
1answer
94 views

Nixie 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 ...
1
vote
1answer
362 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 ...
1
vote
1answer
580 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 ...
0
votes
0answers
168 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
votes
1answer
767 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 ...
1
vote
1answer
123 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 ...
9
votes
3answers
321 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
votes
2answers
153 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 ...
1
vote
1answer
165 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 ...
1
vote
0answers
332 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
votes
1answer
220 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 ...
0
votes
0answers
160 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
votes
2answers
174 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. ...
1
vote
1answer
357 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 ...
1
vote
3answers
187 views

Cannot find GND on 7 Segment Display Datasheet

I'm trying to use a 7 Segment Knightbright LED Display, however, after careful study of the datasheet, I'm unable to find what I believe should be the GND pin to power a segment! ...
1
vote
1answer
137 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 ...
0
votes
2answers
129 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 ...
1
vote
1answer
244 views

Virtual display for simple GPU development

Related: Where to start when considering making a GPU? I'm a pretty strong programmer, but I'm very new to hardware design, so apologies if I use strange terminology. My long-term goal is to ...
0
votes
3answers
213 views

Identifying a 20 year old 7 segment 9 digit led display

I have a 20 year old 7 segment 9 digit led display, I cannot figure out the part no. Here's is what is written in the back of it: (NSA 520 DCCB VO 0179-A) It has 9 digits, a segment below every ...
2
votes
1answer
91 views

Line down center of TFT display

I'm trying to connect a Sharp LQ070Y3DG3B TFT display to an Epson S1D13517 display controller. The test image and a bitmap that I've loaded are showing up fine, except there is a aqua line vertically ...
1
vote
1answer
543 views

Building An E-Ink Wall

The Idea When I heard about Mirasol and Electrowetting the first time, I considered this techniques to be useful for building a wall-hung touch screen where you can show notes, calendarings, drawings ...
2
votes
2answers
292 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 ...
-3
votes
1answer
89 views

displaying JPEG images [closed]

I want to display images(JPEG) stored in a SD card, I want the output to be VGA so that I can display them in readily available display modules. Any idea on how this can be done?
4
votes
1answer
82 views

Is it possible to make a multi-display adapter as an independent project?

I've been looking at the Matrox DualHead2Go, which is essentially the best/easiest way to go about using dual monitors for a MacBook Pro. Some people suggest using a USB to VGA or HDMI - but obviously ...
4
votes
4answers
3k views

Displaying a 2-digit integer on two 7-segment display

I'm having trouble displaying a binary number into a display. I'm not sure of how to split a number in binary into its individual numbers. For example, if I want to display 25, I want to split this ...
2
votes
2answers
710 views

Implementing a very high frame rate (~1Khz) OLED display

I'm interested in developing a very high frame rate OLED display capable of displaying ~1000fps with a resolution of around 1200x800 or so. This obviously has some pretty severe bandwidth ...
2
votes
0answers
105 views

How can I project an oscilloscope display on to a wall screen [closed]

In the autumn I will be giving a talk to my local amateur radio club and I would like to illustrate it with live displays on my oscilloscope projected on to a large wall screen. I have tried this ...
3
votes
1answer
121 views

What makes a display visible in daylight (such as the Pixel Qi)?

What characteristics of the Pixel Qi display make it visible under daylight conditions? It seems to have something to do with "daylight grayscale". But what exactly does "daylight grayscale" mean? ...
3
votes
3answers
175 views

Is upping the voltage on a multiplexed LED display an appropriate response for dimness?

I have a 10 character x 16 segment display that I'm driving using multiplexing off a PIC. The problem is, however, that with each display only being on 1/10th of the time, the display appears much ...
-2
votes
1answer
93 views

What component/device to use for a front-eye display

I need to display information in front of my eyes, just like Google Glass, but in this case, it has to fill a bigger field of view (is it the good term?). I have already thought about a couple ways to ...