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74HC595 & 74HC165 Shift Registers with Arduino  

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Sumanta
(@sumanta)
Estimable Member
Joined: 2 months ago
Posts: 163
 

@codecage

7 Segment LED Display

I think this might work. If not, then I have created a small datasheet for this.

Here it is. Please have a look. 🙂 


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frogandtoad
(@frogandtoad)
Honorable Member
Joined: 2 years ago
Posts: 744
 

@codecage

Posted by: @codecage

@frogandtoad

I think his diagram (other than labeling the commons as Vcc) better represents his device.  His decimal point is on pin 9 not 6, as 6 is not connected to anything on his device.  Pin 6 would have been for an additional decimal point in the lower left corner of the device.  His diagram definitely has the right number of pins. But it could have included the pin numbers.

Hi Steve,

I understand, but I think you may have misinterpreted my post.

I didn't provide the image for the pins and numbering to be copied directly, it was just to be used as a reference, for how such devices are drawn and depicted for clarity.

Cheers.


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Graham410
(@graham410)
Eminent Member
Joined: 1 year ago
Posts: 23
 

Hello to all, I’ve set up the 595 as per the tutorial with a row of 8 LEDs to display the output in binary. My set up gets to 63 on the display then and returns to 1 again. I’ve tried changing the 595 for another and it made no difference..
the for loop is set at <256 and I’m baffled..can anyone help please ?

 


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Graham410
(@graham410)
Eminent Member
Joined: 1 year ago
Posts: 23
 

Sorry guys, sorted the problem now, but can’t see a delete button to remove my post 

Also there’s an edit button and a delete button on this box but not on my original post ? Oh well, all will become clear one day. .

This post was modified 3 weeks ago 2 times by Graham410

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codecage
(@codecage)
Member Admin
Joined: 2 years ago
Posts: 972
 

@graham410

There is a timeout timer so to speak on how much time can pass while you can still edit a previous post.  Once that time has passed, and I'm not sure what that time is, then you can no longer edit the post, so I would guess the delete functionality probably goes away as well. A recent post should have both edit and delete capabilities.

SteveG


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Graham410
(@graham410)
Eminent Member
Joined: 1 year ago
Posts: 23
 

@codecage thank you for the information, much appreciated...

All’s worked out fine now...


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Sumanta
(@sumanta)
Estimable Member
Joined: 2 months ago
Posts: 163
 

@codecage

Hi. Have you seen the diagram of the 7 segmented LED display? It's the model which I have. It's different from the conventional displays, most of the people have. 


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