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I'm making some marquee-type light-up letters like this:http://bit.ly/2avcDhJ.
I'll be using a DC current with little MES bulbs like this: http://bit.ly/2aKpIVr (table of current/power/voltage at bottom of the page). Want the highest wattage ones practical and all bulbs to be the same.
There'll be five letters with the following number of bulbs:
1. 29
2. 25
3. 19
4. 19
5. 11
I'm wanting to use the most powerful bulbs that would be practical in terms of powers supplies etc. Guess they'd be wired in parallel like attached image. Would preferably wire them off one power supply but could split them into two. Guess I'll have to add resistors on the four lines with less than 29 bulbs to make the total resistance the same on each line but I'm basing this on an incredibly hazy memory of GCSE science/technology!
On second thoughts, if it's gonna be a lot easier I could just do five separate circuits and power supplies. Use the same, say, 12V supply but stick a resistor in the four smaller circuits. In any case would the bulbs themselves be wired in series or in parallel?
Anyway, if this doesn't make the slightest bit of sense feel free to ignore it. I have a headache.
There's a tenner in it (Paypal or summat) if anyone fancies coming up with a practical solution.
I'll be using a DC current with little MES bulbs like this: http://bit.ly/2aKpIVr (table of current/power/voltage at bottom of the page). Want the highest wattage ones practical and all bulbs to be the same.
There'll be five letters with the following number of bulbs:
1. 29
2. 25
3. 19
4. 19
5. 11
I'm wanting to use the most powerful bulbs that would be practical in terms of powers supplies etc. Guess they'd be wired in parallel like attached image. Would preferably wire them off one power supply but could split them into two. Guess I'll have to add resistors on the four lines with less than 29 bulbs to make the total resistance the same on each line but I'm basing this on an incredibly hazy memory of GCSE science/technology!
On second thoughts, if it's gonna be a lot easier I could just do five separate circuits and power supplies. Use the same, say, 12V supply but stick a resistor in the four smaller circuits. In any case would the bulbs themselves be wired in series or in parallel?
Anyway, if this doesn't make the slightest bit of sense feel free to ignore it. I have a headache.
There's a tenner in it (Paypal or summat) if anyone fancies coming up with a practical solution.
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