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

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ILI9163C ili9163C Parallel 8 Bit Header & Function Prototypes

I'm using a NHD 1.8" display with the 9163 controller chip and looking for help getting bootstrapped to working with the display using a Sam3s...8 bit parallel communication. It is an inherited design ...
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2answers
99 views

Intercepting graphics card output?

I was wondering what it would take to intercept a PC's graphics card output or parts of it. First of all I'm wondering if you could even intercept the output without increasing the latency between the ...
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4answers
66 views

Is it necessary to use resistor when connecting backlight of 16x2 LCD display?

I wonder if it's necessary to use any resistor when you're connecting backlight of 16x2 LCD module? OR it depends on voltage? I am using Hitachi HD47780
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1answer
65 views

What defines LCD display constrast?

How is a general 16x2 LCD display contrast defined? Is it with voltage on pin V0 or with total resistance of potentiometer?
1
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1answer
58 views

What type of display is this?

I found this display in this cheap chinese handheld tetris. It doesn't have any connectors on itself and is just sitting on small PCB with some kind of gum between them. What kind of display is it and ...
1
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2answers
40 views

Powering a 6-Pin DAC-08B035 LCD Inverter

i have an old LCD Panel(N141X6 -L01) from a Fujitsu Siemens laptop and an inverter(DAC-08B035) for it. Before connecting the whole thing to a raspberry pi(and buying the necessary controller board), I ...
25
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3answers
534 views

What is this unusual LCD controller technology?

Preface: Even if you do not have a definite answer, I would greatly like feedback from anyone who has even seen an LCD using this technology. I recently took apart a Canon digital camera from the ...
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0answers
25 views

Estimating volume cost of a simple LCD

I know the best way to do this is to contact a number of LCD manufacturers and get quotes, but I expect there is experience here from others that can be shared and this would be of interest to many. ...
0
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1answer
52 views

Two voltage regulators on same circuit

Would it work if I have a lithium ion battery that's connected to a voltage regulator that's connect to a Raspberry PI then another voltage regulator to a display?
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1answer
43 views

What is the pin to light up colon in Basys 2?

I am trying to make a clock in a Basys2 board but I can't find in documentation the pin to light up the colon of the 7segment display. Where is it?
6
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1answer
285 views

LCD driver: What changes in 3-D mode?

Facts: We know that a system needs high data transfer speed if it works with +120 Hz refresh rate and +1080p resolution(This mostly requires DVI dual link). We know that in a 3-D system with ...
0
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0answers
69 views

Driving VGA from an controller

Currently I have 8 lines going out to a DAC which converts the digital values into analog ones for the display. However I want to increase the resolution of my VGA (more than 3 lines for red, green ...
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0answers
50 views

HDMI sleep/wake detect

My goal is to trigger some events using a microcontroller when my monitor attached via HDMI goes to sleep and wakes up. The standard HDMI interface has 'Hot plug detect' on pin 19, which is pulled ...
0
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1answer
62 views

NHD-0216HZ-FSW-FBW-33V3C Black Boxes in Line LCD Display

I installed a NHD-0216HZ-FSW-FBW-33V3C with an MSP430g2553. I tried to initialize it for 4-bit mode in assembly language but black boxes still shown and initialization is not completed I think. My ...
0
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1answer
41 views

Energy consumption of a small TFT

I am looking to replace a 4.3 inch TFT (480*270 px - 400-500 mA @ 5V) by a more energy efficient one (other sizes welcome) to go with my raspberry pi driven handheld emulation console. What is the ...
0
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3answers
120 views

BPM Generator with display?

Trying to figure out how to design this with decent precision but having trouble getting this started. I've worked with 555's before but not for precise counting that can be modified in steps. I'm ...
2
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2answers
111 views

Error sending data to LED Display board from a microcontroller

I have a LED Display which has a RS232 connector so that we can connect it to our system. Display board accept whatever data we type in hyper terminal and display it. For e.g if I type ...
1
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1answer
48 views

How to connect a 4D display to a beaglebone black?

I am fairly new to all this so sorry if this question is rather trivial. I have a 4D Picasso Display (28PTU-Pi) and I want to connect it to my Beaglebone board. So plugged the usb cable into the ...
0
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1answer
220 views

Interfacing I2C OLED display with pic18f2550

I've been trying to interface SSD1306 I2C oled monochrome display module with PIC18F2550 micro-controller without any success. the datasheet of ssd1306 controller shows the following data format so ...
0
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0answers
56 views

Test a ssd1322 based display

What's up folks? I have a problem with one OLED display based on the ssd1322 controller. The DD-25664GE-1A is a 5.5 inches display for which I made a custom PCB connecting the controller to a ...
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2answers
97 views

Why LED signboards shake when I eat an apple? [duplicate]

while I was sitting in city center with so many LED (especially red ones mounted) signboards and I was bitting an apple, the signboards suddenly begin to shake for only a second while my head is ...
0
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2answers
145 views

Missing segments in LED fridge display [closed]

What can I try to fix this display? I assumed water vapor got into it from opening and closing the fridge door so I tried these things: I disconected it and left it in the sun for 4 hours. I ...
8
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2answers
2k views

How does E-Ink Work?

Can someone explain how this really works? I don't understand those bubbles, and how you get different colors on this type of screen, or it is only black&white, does it works similar to ...
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3answers
153 views

7-segment display decoder

truth table for a 7-segment display decoder. It converts a binary input x[3..0] to a 7-bit code which drives each LED in an LED display am a bit confused can anyone just give a hint i want to produce ...
0
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2answers
52 views

Appropriate Brightness for LED Displays

This may be a question strongly depending on application and opinion, but I'll give it a try. I am designing some controls for an industrial application, including cap touch buttons and LED 7-segment ...
2
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1answer
177 views

VHDL 4-display counter on a Nexys 3 (0000 to 9999)

I'm triyng to implement a 4 display counter (0 to 9999) on a Nexys 3. However, when I load the bit file, all displays remain at 0. It seems like variables a,b,c,d; which control individual digits, ...
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1answer
88 views

Using a LS248 7-segment driver, but segments are dim. Can't figure out why

I'm building a project where I want to use two double-digit 7-segment-LED displays (green, common cathode). From what I've read, a shift register wouldn't be able to source enough current, so I ...
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0answers
53 views

Which TFT display to use for faster processing speed?

I'm planning to integrate a user interface into my arduino project and came upon TFT displays. While interfacing with the TFT displays, will it affect the performance of the arduino processing? Also ...
0
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1answer
92 views

A possible decimal digit dvm?

I would like to build a 3x10 decimal digit dvm for an edge lit numerical display. The nearest schematic that I can find is using a CA3162E / LM74LS147 which can be found at: ...
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1answer
114 views

LED Display: Understanding Led pitch, resolution, viewing angle and distance

i'm working on project in which we need to design a Led Display. I google some information and get a little confused about some key topics. Some of them are: Led Pitch Viewing Angle Resolution ...
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1answer
65 views

RGB matrix displays?

I'm working on firmware for LED display composed of Chinese RGB LED matrix modules (1/4 scan, 16x16, RGB). I want to find out how some pictures are displayed in three colors, is there any idea behind ...
2
votes
3answers
134 views

What is this display technology called?

I saw this display on Adafruit. They describe it as a mix of an e-ink (the low power consumption) and an LCD (the fast response time). And further as "a matt silver background, and pixels show up ...
1
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1answer
240 views

Why is my SSD1306 OLED only displaying half of the screen area?

I am trying to get this display working with my arduino via i2c: http://www.buydisplay.com/default/0-49-inch-oled-display-module-64x32-pixel-ssd1306-i2c-white-on-black I have successfully initialized ...
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2answers
186 views

16 segment LED sparkfun resistor help

I am quite new to this and am struggling to read through the data sheets of the Sparkfun 16 segment display, datasheet here. I have managed to get all of the LEDs wired up through a LED driver, with ...
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1answer
129 views

What are these displays called?

I now searched the web for about an hour and just can't figure out how these displays are called or where to buy them. A lot of airports use them for the departure table. They seem to be just ...
3
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1answer
89 views

How are DACs integrated in color LCD screens?

I'm having trouble imagining what actually happens inside an LCD screen. I picture digital RGB data for each pixel getting sent to the screen through a connector. Lets say we have 24-bit color for ...
3
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2answers
117 views

Self Contained Temperature Display in Very High Temp Environment

I want to build a temperature sensor + display that will operate in a high temperature environment (routinely 120C, but periodically spiking to 175C, and might be exposed to 350C where it would be ...
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2answers
101 views

3D display, that's actually3D [closed]

So one night, (last night) i was in bed trying to get to sleep, and then something came to mind, this one thing came to my mind and got me excited. You may now be wondering what came to my mind, or ...
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1answer
234 views

How exactly does a VGA cable work?

I've been looking around on the internet and I can't find anything in depth on how the cable/connection functions. I've only been able to find simple pin out descriptions. If someone can link me or ...
0
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3answers
227 views

Driving 50-pin e-ink display with one chip?

I'm trying to connect this 50-pin e-ink display to an Atmel ATmega328p for a hobby project. The biggest design challenge I'm facing is connecting all the pins from the display to the MCU in an ...
0
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2answers
102 views

Power Supply amp doesn't match with adapter. Can I use the adapter? [duplicate]

Can I use this LCD display: http://www.itontec.com/product-detail/product-name-7/ With this adapter: *Display Specs: Power Supply(5~12V 2A) *Adapter Specs: Output: 12V - 1A Is that safe to use ...
1
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2answers
939 views

SSD1306 Display ISP Connection or I2C (According to resistors)

I bought one of those cheap 0.96" OLED Displays from china, ebay. In the product description it states that it's a I2C Display, Ebay Link. I want to use it with an ATmega8. I connected it accordingly ...
1
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1answer
65 views

Running a 7v shift register from arduino 3.3v

Im trying to learn some electronics, so im not that confident with some of these systems, I recently bought a load of the alphanumeric displays from Sparkfun but foolishly read the data sheet for ...
0
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0answers
119 views

Odd red noise appears on the display of my Samsung SyncMaster 943N monitor [closed]

I have a problem with my Samsung SyncMaster 943N monitor. For some reason red noise appears on the displayed screen. Notice the red noise around the white zones in the image: Tried connecting it ...
0
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1answer
93 views

blinking a display using trigger

I've been banging my head over this for a while now, basically I have this display driver that in normal conditions would update a seven segment display continuously. What I would like to do, and I'm ...
0
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1answer
51 views

Can a LCD display work with swollen capacitors for a large period of time until briefly turned off? [closed]

I am trying to figure out why would my very old SyncMaster 720N stop working after turning it off for a very brief moment. I've already had issues with it, I had to replace some capacitors and then it ...
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0answers
134 views

Discrete logic multiplexer

I posted a more in-depth outline of what I'm doing here, but basically I'm building this circuit (for n=3): The circuit displays an output based on the combination of three three-input DIP ...
5
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2answers
281 views

Is my LCD TV doing some sort of dithering? [closed]

I'm using a 32" 'LED' TV as a monitor (1920x1080 over HDMI). I've been noticing some annoying horizontal stripes where the source is displaying grey pixels. It seems that what's happening is the TV ...
1
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0answers
123 views

7 Segment display driver issues

I have this code for driving a seven segment display for hex. From my understanding its logically correct, but when I try and run it on my Nexsys 3 board I never get the correct output, it seems that ...
0
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1answer
93 views

Purchased a cheap LED monitor with no power leads, how do I find the power leads? [closed]

I just purchased a cheap TFT LED monitor and it has no power leads, how do I find where to soldier the power leads onto this unmarked circuit board?