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Ghosting in LED matrix 8x8 RED Answered

Hello All

I have problem that is Ghosting in LED matrix 8x8 RED, I try solve by software and change littel to best but not fully, where on lighting that ghosting is not show but in darkness room it is show perfect.

I use PIC16F877A and 74HC595 for rows and CD4017 for columns.

Best Regards
hosam matar

Discussions

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iceng

3 years ago

I use ghosting to display a number and a spinner to indicate the unit is running....

When the device is half way finished the spinner reverses direction.

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steveastrouk

3 years ago

Have you got "interdigit blanking" ? You should have a brief, all-off state between digits.

Remember you only need to update at 24Hz for human vision to see a steady display.