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16X128 LED Matrix Display
by ARUNAGIRI on Nov 3, 2009 |
ARUNAGIRI
Posts: 1 Joined: Sep 14, 2009 Last seen: Nov 3, 2009 |
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Dear,
Please kindly help me to design LED Matrix display. For that the specification is given below, 1. LED Matrix Size – 16X128 2. LED Specification a. Size – 5mm b. Forward bias current – 20 mA c. Color – Amber / Red d. Shape – Round 3. Auto brightness control module 4. RS485 Interface Module. Kindly give me any design ideas. |
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RE: 16X128 LED Matrix Display
by uCHarry on May 28, 2010 |
uCHarry
Posts: 6 Joined: Apr 25, 2010 Last seen: Mar 30, 2018 |
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Hello,
what do you want to know? Which is the peak current of your Led for which time? This gives you the multiplexing limits. Did you realize that you need 41A if you turn on all of them? What kind of protocol do you want to use on your RS485? I did once 1536 Led with individual PWM. |
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