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Questions tagged [seven-segment-display]

Numeric display formed by seven line segments, often with additional decimal points or colons.

Examples of a seven segment display format.

 _           _   _   _   _           _   _   _   _
|_|         |_| |_|.|_| |_|         |_| |_| |_| |_| 
|_|.        |_| |_|.|_| |_|         |_|.|_|.|_|.|_|.
74 questions
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Text detection on Seven Segment Display via Tesseract OCR

The problem that I am running with is to extract the text out of an image and for this I have used Tesseract v3.02. The sample images from which I have to extract text are related to meter readings. Some of them are with solid sheet background and…
yunas
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7-Segment Display OCR

I'm building an iOS application (take a picture and run OCR on it) using Tesseract (an OCR library) and it is working very well with well written numbers and characters (using usual fonts). The problem I am having is that if I try it on a 7-Segment…
Karim
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Text Recognization :: Google ML Kit does not recognizes seven segment display numbers and decimals

I am trying to get numbers from seven segment display image using ML kit but it does not recognizes the numbers or decimals from the image. It recognizes the normal text and number from image but not from the seven segment display image. Please…
Srinivas Guni
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2 answers

Calculating hexadecimal values for 7-segment LED on MDA-8086

I was trying to display 7-segment LED on MDA-8086 kit, but I am stuck at calculating the hexadecimal values for respective digits. I have the code with me, but I don't understand how it actually works. For example, 0 is represented by hexadecimal…
Apprentice
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Open Cv - Emgu Cv How to find 7 segment display's rectangle area on gray scaled Image

I am creating system for reading value from 7 segment display pressure meter. For detecting digits and values from digital( Seven Segment Display) meter, i gone through following…
Vishal Patel
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3
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3 answers

How to get the seven segment output side by side in python?

I have written a code to display the seven segment output. Whereas I need to display the output side by side. Say input: 123 , output should display seven segment side by side as below # ### ### # # # # ### ### # # # # ### ### Here…
Vamsi Priya
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Reading the values from a seven-segment display

I'm working on a small personal project to automate the data acquisition from different measurement devices (without a digital output); multimeters or luminescence meters. Example of the input image. I've read some tutorials and forum posts on the…
EE_attemts_to_code
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Pic16f684 & dual seven seg display program: random number generator in C

I'm trying to convert this code to be able to generate random numbers 1-56. I would understand, but because the program has to switch back and forth to be able to show both digits, I'm confused. I know in some respect, I can use rand() to choose. I…
tjpplay
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7 segment OCR java application

I've been working on this project for a few months now and need some assistance. I am trying to recognize the characters on an image from an old camera that used a seven segment LED to imprint the frame number in the lower right hand corner of the…
Acfarris1
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Seven Segment Digital Data Recognition using Tessseract / Java

I am trying to recognize seven segment digital text from image using tess4J . My input is here I have made some normalization as follows 1 ] Image cropped . 2 ] Converted it into binary I wish to remove the jagged edges of text from image…
Don Chakkappan
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Controling 4 digit 7segment LED Display using 74HC595 shift register

I'm having troubles trying to use two 595 shift registers to output numbers on a 4 digit 7seg display. I've gotten to the point of displaying numbers correctly, but I'm now having the issue that the output is flashing some garbage between the digits…
JamesD
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The function of this piece of code in the assembly

The below code is a code I found from a site to study about assambly more.But I don't know exactly what do this section of code. For example what do .ORG 140 do? Why 140? Or in this line : .DB 0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F how we…
mena
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VHDL - Error comparing std_logic_vector with declared constant unsigned? The unsigned has been cast to std_logic_vector

I am trying to create a Seven Segment Display controller in Vivado 2020.2 using VHDL 2008. The entity needs to be parametrizable by system clock rate and time to display each digit in the display (there are 8 digits). Here is the code I have so…
Vlad Zhdanov
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Why is my 7 segment display using CD4511 IC not working. Circuit Design attached

I want to count 0 to 9 by converting decimal to BCD in Arduino. Then sent it to CD4511 decoder which translates it to a seven-segment display. But it is not working. Please help. Photo of circuit and arduino code is attached.circuit design is as…
Uday Uppal
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Seven Segment Display outputs are unknown

I'm trying to make a counter that counts from 0-9 and displays on my Nexys A7's seven segment display. The code compiles, but in the testbench it shows that all the outputs are unknown. I tested my clock divider module, and it looks fine. I'm not…
jhe4x
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