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2
Can you count the # of on/off switches?
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I'm a noob when it comes to designing a circuit but I understand the basics of electrical blueprinting but clueless when it comes to certain components but I have a little background in electrical.

I'm working on a project that consists of five columns of light up latching switches and a single LED digit for each column and a double digit for total, of those five columns some have seven positions some have eight some have nine positions. But the entire project has a total of 40 positions.

For each switch triggering a light to the on position the digit corresponding to the column decreases as well as the total digits decrease as well.

I'm not really sure where to start as far as circuit design or what is needed for computing switches on and off to the LED display components on each column and total for all 40 spaces.

Ex: (sorry if it doesn't lign up doing this from the reddit app)

Active lights Inactive Lights

XXXXX XXXXX

XXXXX XXXXX

XXXXO XXXXX

OXXXX XXXXX

XXXXX XXXXX

XXXXX XXXXX

XXXXX XXXXX

X XXX X XXX

      X                             X

77888 38 87889 40

I do know that for the entire circuit I want it to have a minimal power supply so hopefully just using an off the shelf wall wort (5v).

Switch- square backlit latching switch. Like this https://mm.digikey.com/Volume0/opasdata/d220001/medias/images/940/LP4EE1PBATG.JPG

Digits like this

https://mm.digikey.com/Volume0/opasdata/d220001/medias/images/2252/INND-TS56YGAB.jpg

I'm open to input so feel free to message me or reply here.

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11 months ago