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Electronics => Beginners => Topic started by: Mario_33 on September 23, 2020, 04:32:32 pm

Title: How to connect 2 digit 7 pin display?
Post by: Mario_33 on September 23, 2020, 04:32:32 pm

Hi, i found an old 2 digits 7 pins display but cant find any info on internet. The display itself has 4 pin but the mini circuit attached has 7 pins. I attaching the photos. Thank you in advance.

Title: Re: How to connect 2 digit 7 pin display?
Post by: wraper on September 23, 2020, 04:36:44 pm

Discard it. There is no easy way of using it. There should be some sort of driver IC inside it which uses serial interface. If there is marking on the display itself, you might figure out how to use it but it's really not worth it.

Title: Re: How to connect 2 digit 7 pin display?
Post by: Mario_33 on September 23, 2020, 04:42:23 pm

Thank you very much!