Questions about LCDs, 7-segment LEDs, E-ink displays, etc.
-1
votes
0answers
14 views
relatively new monitor cannot display 1024x768 [migrated]
I have a Philips monitor capable of displaying 1680x1050, which I am currently using and it works fine. But sometimes I'd like to connect this monitor to an older laptop whose native resolution is ...
0
votes
2answers
59 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
0answers
79 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
95 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 ...
1
vote
0answers
39 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
66 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
1answer
81 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
53 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
72 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 ...
3
votes
4answers
486 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
1answer
165 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
65 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
89 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
2answers
93 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
85 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 ...
-3
votes
1answer
83 views
Problems With The Desktop Contemplator Code [closed]
I cannot get the ContemplatorNV.ino code to down load from the Nuts& Volt article. I have tested the complier on an Arduino Uno on code I know works. This at least proves the compiler, USB ...
3
votes
1answer
92 views
Justification of the choice of colours in monochrome displays
Why for monochrome displays was chosen green, gray or yellow(amber) colors?
Any reason like red LEDs because it simpler in production.
upd:
Amber for reducing eye strain.
Gray for white imitation.
...
-1
votes
1answer
96 views
How to address a 16 bit LCD using 8 bit bus?
I need such a TFT with SSD1289 controller, but with 8 bit bus.
Does anyone know how to modify it?
-2
votes
1answer
58 views
nvidia display adapter downgraded itself to HD [closed]
I am experiencing something strange in one of my laptops that I haven't seen before. The laptop is an ASUS K52JC, has an Nvidia Geforce 310M. I have it setup as a dual boot with both windows 7 and ...
2
votes
1answer
119 views
Hantronix 20x2 LCD backlight
I recently got a big box of Hantronix 20x2 LCD from a friend. They appear to be the negative type, where the 'on' pixels appear as clear and the off are opaque. When he gave them to me he told me that ...
3
votes
2answers
90 views
Connecting powered digital IC to unpowered
I have Atmega328 MCU and MAX7219 connected to each other. However, they have diode separated power sources. There is a case, when MCU will get power, but MAX7219 will not.
Would it damage MAX7219? ...
0
votes
1answer
189 views
Converting DisplayPort to 24 bit RGB parallel. Possible?
Is it possible to interface a DP1.1 complaint source to a TFT Module that uses 24 bit RGB? I'm investigating the possibility of interfacing an Atom D2550 with This Display.
I have 3 options to ...
1
vote
0answers
137 views
TFT display with ILI9328 controller
I would like to get started with TFT displays (expecially "printing" text on the display). I feel like standard 20x2 or even 20x4 LCD displays are somewhat too limited. Plus touchscreen maybe a good ...
-1
votes
1answer
121 views
What technology would be ideal for a small rugged display module? [closed]
I am curious what some people here have to say on this since this field seems to be rapidly changing as far as hardware goes lately. Some of these things may be software dependent, but the hardware ...
3
votes
1answer
106 views
Memory interface for video output
I am designing a system where a DSP (like the TMS320VC5501) processes some video data and outputs it to a PSP screen (the ones sold on sparkfun). The issue I'm having here is designing the video ...
5
votes
1answer
151 views
I2C device doesn't sink enough current
Im working on a display project and have run into some I2C issues. The display is of 3.3V design, so I figured, no big deal, ill use a level shifter and be on my merry way. Well, sure enough the level ...
4
votes
2answers
604 views
7-segment LED display with multiple digits
I was looking at the datasheet for the LTC-4627JR, and it looks like each digit shares a common anode, and each segment shares a common cathode.
My question is given this configuration, I don't ...
0
votes
0answers
428 views
How to Create an RGB LED Display for Raspberry Pi?
I'm relatively new to hardware. I have some basic concepts down and I've only done some basic circuitry, but I really want to jump into the deep end - it's how I learn best. I'm not sure how simple ...
3
votes
1answer
158 views
Name and reason for space between pixels on an LCD display
Hopefully this is a good place for this question... I figured it was too technical for the A/V board of StackExchange.
Question:
Simply put, a recent conversation brought up the issue of the name of ...
3
votes
2answers
90 views
name of 'black trim masker' display
What is the official name again for the small black trimming 'border'/'mask' around the four edges of a display?
I just forgot the official name.. and google turns up results about a wrong display ...
0
votes
1answer
286 views
Graphics LCD - how to avoid flicker?
I have a generic question about Graphic LCDs with built-in controllers and RAM. I observe that whenever I change a large portion of the screen with say a new image or a object (or just clear the whole ...
5
votes
1answer
438 views
LCD modules with I2C or SPI interface
I would like to add an LCD to my current design (a project that is to be produced in low volume, around 50 to 100 units).
A small display size (around 8 or 16 characters) should be plenty since it is ...
1
vote
2answers
110 views
Why do displays with auto-synchronization function get out of sync? (pixels blur) [closed]
I'd like to know why LCD displays that have the "Auto" button need it in the first place. Are they losing sync with the signal because of some special feature or all LCD displays really suffer from ...
0
votes
1answer
76 views
I'm looking for a chip which can play media files stored in a pen drive connected to it on LCD tv
I am searching for such a chip which has a usb input to connect a pen drive to it. The chip should have a HDMI output (or any other suitable output) to display on a LCD tv. For example, I have a movie ...
1
vote
2answers
138 views
Is there a way to wire a digital display into a thermistor input to read the value of that thermistor?
I have a solar thermal system on my house and that system is run by a differential temperature controller having two thermistors. The controller does not have any kind of readout on it, thus I have no ...
0
votes
0answers
191 views
Electromagnetic radiation from specific monitors [closed]
I'm concerned about the health impact from EMF produced by home/office appliances. In particular I would like to know if somebody measured the Electromagnetic radiation of any of the following ...
0
votes
3answers
332 views
LCD/display for a digital thermometer-like device
I need a small LCD display for a digital thermometer-like device I am making. I need to be able to display 6 digits or letters only.The main constraint is the small size and rectangular shape.I cant ...
3
votes
5answers
2k views
Multiplexing two 7-Segment displays (Ghosting issues)
I am currently working on a simple scoreboard using two 7 segment displays, a shift register (74HC595N), two PNP transistors (2N3906) and an arduino uno.
Each 7 segment display is common anode, ...
-7
votes
2answers
535 views
PIC 18F4620 with LCD
I am doing a project using PIC 18F4620 to display readings on a LCD. but I am not sure how my power, LCD and pic 18f4620 should be connected.
Is there any suggested schematics??
2
votes
1answer
197 views
Is this display broken or is it a bug?
After being fine for several days and picked up after transport, I found that one part of the Altera DE2 display is not working, you see where it is a 9 there should be an 8 so it is just like that ...
8
votes
3answers
621 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 ...
1
vote
3answers
2k views
Raspberry Pi and laptop display
I have a Raspberry Pi Model B and the display unit from a Dell laptop - functional, but removed from the laptop because of a broken hinge.
Is there any way the Pi's GPIO pins can be used to drive the ...
5
votes
1answer
188 views
How to analyze a display?
So while walking around school today I found a neat little piece of hardware thrown in the trash. After a quick overlook, I noticed that the display was one of those 32 segment kinds (like a speak and ...
3
votes
1answer
957 views
arduino and seven segment with two digit
I tried to make a sensing system using arduino UNO R3 with LM35 sensor and a display unit which is seven segment with two digits.
I made all the connections as follow(I know it is Missy but I think ...
0
votes
0answers
64 views
Google Glasses like projector? [closed]
Does any Google Glasses like mini projector available for sale? The Head Mounted Displays I saw cost a lot of $$$. I need a cheaper alternative for engineering it to a dev board.
2
votes
1answer
163 views
Need details on 35-year old Unisonic VFD (from a calculator)
I have a very old Vacuum Fluorescent Display that I took out of a Unisonic Calculator, that I'd like to resurrect in a clock.
It's a cylindrical glass tube, about 4 inches long and 1/2 inch wide - ...
0
votes
1answer
473 views
What are some cheap 8-10 inch displays? [closed]
I am looking for a display that is 8-10 inches across diagonally, low power, preferably colour and refresh rate isn't an issue. I would want to display text on it, so I need something with a decent ...
1
vote
1answer
106 views
Electrophoretic Displays
I am extremely interested in learning about electrophoretic displays. On their architecture, how they function and also would like to assemble one from the scratch for myself and see how it works (I ...
1
vote
3answers
142 views
Driving a 24 BPP display in 5:6:5 mode
I have a TFT display which accepts 24 Bits Per Pixel (BPP) display data, but my connector mechanism supports only 5:6:5 mode.
What is the prefered way of getting the display to drop the extra pixel ...
3
votes
1answer
238 views
Corrupt LVDS Display
We are using an Advantech PCM-3363 PC104 board to drive a NLT Technologies NL10276BC13-01C LVDS Display in an embedded device.
While everything works fine usually, the display sometimes is corrupt.
...
