Discussion in "Project Help" started by    ilylily07    Oct 15, 2019.
Tue Oct 15 2019, 04:43 PM
#1
i need help.i don't know how to do it.is it possible?
Wed Oct 16 2019, 01:10 AM
#2
Which camera ?
What do you want the micro to do ?
 ilylily07 like this.
Mon Nov 18 2019, 09:54 AM
#3
0v7670 camera interfacing with stc 8051.using assembly language.i've search the for the coding everywhere but i didn't found it.

Tue Nov 19 2019, 10:44 PM
#4
The 8051 has too little memory to do anything useful with a 0v7670.
What do you want to do ?
Why use an 8051 and why use assembly language ?
Mon Nov 25 2019, 04:38 PM
#5


The 8051 has too little memory to do anything useful with a 0v7670.
What do you want to do ?
Why use an 8051 and why use assembly language ?

ExperimenterUK


To capture the picture when pir sensor detects movement,and display the picture on pc.
My lecture wants the camera to connect to 8051.at first my lecture wants it in assembly.then he said c is also fine.
Tue Nov 26 2019, 12:08 AM
#6
I tracked down a OV7670 data sheet.
The OV7670 puts out the whole frame in a single burst.
This means you should store a whole frame, before sending it to a PC.

A frame is around 307200 bytes.

No micro can store that much, so I believe Arduino projects send one line
from successive frames to build up a single frame.
This is only any use for still photos and takes a long time.


A standard 8051 has 128 bytes, so could only store part of a single line.
Building up a frame this way will be very slow,
and need customised software on the PC.


"is it possible? "

Possible? .. yes
Worth doing .. no.

One option is to use a ov7670 module with built in buffer.
http://www.alselectro.com/ov7670-camera-fifo-module.html



Perhaps your lecturer can give you hint as to how to do it ?
Attachment


[ Edited Tue Nov 26 2019, 12:11 AM ]
Tue Nov 26 2019, 04:13 AM
#7


I tracked down a OV7670 data sheet.
The OV7670 puts out the whole frame in a single burst.
This means you should store a whole frame, before sending it to a PC.

A frame is around 307200 bytes.

No micro can store that much, so I believe Arduino projects send one line
from successive frames to build up a single frame.
This is only any use for still photos and takes a long time.


A standard 8051 has 128 bytes, so could only store part of a single line.
Building up a frame this way will be very slow,
and need customised software on the PC.


"is it possible? "

Possible? .. yes
Worth doing .. no.

One option is to use a ov7670 module with built in buffer.
http://www.alselectro.com/ov7670-camera-fifo-module.html



Perhaps your lecturer can give you hint as to how to do it ?

Attachment

ExperimenterUK



No.he didn't give any😭. he ask me to find the code,he knew i don't have the skill to code.so i just have to find the code and paste it into mcu.right now im trying connected the camera to arduino r3
Tue Nov 26 2019, 05:44 PM
#8
You will not find any code for an 8051 as no one would use it !
Making it work is a big challenge for anyone.

You might find code for one of the 8051 variants with more memory
but that's not really using an 8051.
Getting experience using the camera with an Arduino is a good idea,


[ Edited Tue Nov 26 2019, 05:57 PM ]
Thu Nov 28 2019, 03:50 PM
#9


You will not find any code for an 8051 as no one would use it !
Making it work is a big challenge for anyone.

You might find code for one of the 8051 variants with more memory
but that's not really using an 8051.
Getting experience using the camera with an Arduino is a good idea,

ExperimenterUK



We've already given up.right now im trying the camera at arduino.wish me luck☺.
1 more question. Is it possible to interface a fingerprint scanner to 8051?
thank you for answering all of my question.
Fri Nov 29 2019, 04:24 AM
#10
" Is it possible to interface a fingerprint scanner to 8051?"
I think so.
Some fingerprint readers hold all the fingerprint data in memory
and only need a serial connection to work.

One problem, is that all the software I have seen is for Arduinos.
To use with an 8051 might mean writing a lot of your own code and it seems
to be hard to get good programming information for some types of reader.

Be sure that you can get all the programming information before
you buy a reader.


 ilylily07 like this.

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Thu Dec 12 2019, 09:16 PM
enrexzweuz
qdimekzibi
Thu Nov 21 2019, 12:30 PM
raj2555
how to interface 8051 microcontroller with NRF24L01+ module
ExperimenterUK
Sat Oct 12 2019, 10:23 PM
Log in.. then post your code in the 8051 forum
Sat Oct 12 2019, 10:18 AM
Bhadra Sajikumar
i am doing a countdown timer with 8051 for my project, unfortunately our professor had to take a leave of absence before he could teach us most of it.. can someone explain the .asm code of it for me?
Mon Sep 23 2019, 07:37 AM
Nathaniel
I am doing a project for my schools wireless security system with cameras,sensors and spot lights using 8051 micro controller, could you help me out with the design and its source code.
Wed Sep 18 2019, 08:48 PM
Caryn Kover
Thank you for your time,
ExperimenterUK
Mon Aug 05 2019, 07:09 PM
@Ismail ..post in forum, give details
Mon Aug 05 2019, 04:33 PM
Ismail balghmi
Hello. Please I won't download
ExperimenterUK
Wed Jul 24 2019, 12:47 AM
@BUSTER123 Please post in the forum
Tue Jul 23 2019, 06:13 PM
BUSTER123
hello! newbie here. i am kind of a guy who hates using ready - made existing libraries, so this helped a lot as i was trying to control and write to a character lcd display. however, i can't figure out how to set the cursor position. for example, i want to set it to the 5th column in the first row, so position 5. so according to the table, i am sending 10000101 on the 8 data lines of the lcd (register select pulled low). the cursor does not move there however. and i cant move the cursor left or right too. is it something wrong that i am doing? thank you.

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ilylily07 Avatar
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Thu Dec 12 2019, 02:26 PM
wil do.thank you for your advice!
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Thu Dec 12 2019, 07:13 AM
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https://i.imgur.com/6S5FcwF.png right now im follo...
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Tue Dec 10 2019, 04:49 PM
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Hi .im humbly ask for your advice as i wrongly pur...
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Fri Nov 29 2019, 04:24 AM
" Is it possible to interface a fingerprint scanne...
ilylily07 Avatar
Posted By ilylily07
Thu Nov 28 2019, 03:50 PM
You will not find any code for an 8051 as no one w...
ExperimenterUK Avatar
Posted By ExperimenterUK
Tue Nov 26 2019, 05:44 PM
You will not find any code for an 8051 as no one w...