
Sep
18
How to make a led price sign?
by westvirginiaray@yahoo.com | Posted in Other - Electronics
Looking to agree to a 3 digit price sign (ex. 2.59) out of 12 volt, 12" led light bars, using 7 bars for each digit. Appetite to be able to change each number. How can you do it or where can I find plans for the controller.
An after deliberating: you could use toggle switches for each segment or you could go as I wrote it before.
You can start looking at BCD-to-7-Partition-Decoder (7SD) IC's.
Each segment of LEDs will consist of enough of them for the 12" bar.
Jan
24
convert an LED sign from cord to switch/batteries?
by xX LE$ Xx | Posted in Other - Electronics
basically i have a hanging LED sign (specifically this one: http://cgi.ebay.com.au/P195R-LED-Sign-De xter-Morgan-Bar-Pub-Beer-Light-Sign-/270 695120316?pt=LH_DefaultDomain_0&pot-pourri =item3f06afbdbc) and i feel that the power cord ruins it in the message that it forces
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