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[phpBB Debug] PHP Warning: in file [ROOT]/vendor/twig/twig/lib/Twig/Extension/Core.php on line 1266: count(): Parameter must be an array or an object that implements Countable- Tue Nov 22, 2016 7:38 pm
- Forum: 10x8 LED Sign
- Topic: Help wanted 74HC595 LED sign
- Replies: 3
- Views: 28832
Re: Help wanted 74HC595 LED sign
It's a little difficult to tell exactly what you have in the picture; but the general form of using a bunch of 595's for output bits is shown not far from the top of the "circuit potpourri" page of my 6502 primer, at http://wilsonminesco.com/6502primer/potpourri.html#22_SR_OUT . This diagram is fro...
- Tue Nov 22, 2016 7:32 pm
- Forum: The 8x85 RGB LED POV Display
- Topic: Can I use MAX7219 as a LED driver IC?
- Replies: 0
- Views: 29420
Can I use MAX7219 as a LED driver IC?
Can I use MAX7219 as a LED driver IC? MAX7219 datasheet : http://www.kynix.com/uploadfiles/pdf2286/MAX7219EWG2b_93727.pdf CAT3603 is a three channel charge pump LED driver IC from Catalyst Semiconductors that can be operated in either LDO mode or fractional mode. The IC can deliver 30mA per channel ...
- Mon Nov 21, 2016 6:35 pm
- Forum: 10x8 LED Sign
- Topic: Help wanted 74HC595 LED sign
- Replies: 3
- Views: 28832
Help wanted 74HC595 LED sign
I'm new to electronics so I'm sorry if this sounds stupid. I recently created an LED sign consisting of 97 LED's on a piece of wood that all light up at the same time when I supply it with 3v. I have watched a bunch of videos on electronics and I saw one that used the 74HC595 shift register to light...