Actions
Forum Thread Details
  • Replies 6 replies
  • Subscribers 402 subscribers
  • Views 516 views
  • Users 0 members are here
Related

Another question on parts...

Former Member

I have just ordered an LED strip which runs off 12v and this will be the first time I will be running loads over thw 5v max of the Arduino.

 

I have 3 questions which I an sure are simple enough for someone who isnt just starting (as I am). :-)

 

Question 1

 

I have found this blog post...

 

http://genericnerd.blogspot.com/2009/05/arduino-mood-light-controller.html

 

and this thread...

 

http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1236091181

 

which both talk about a ULN2003.

 

However if I do a serch on the store for a ULN2003 I get a lot of different results and I am not sure which one to get.  (See the link below...)

 

http://uk.farnell.com/jsp/search/browse.jsp?N=0+5116518&Ntk=gensearch_001&Ntt=ULN2003&Ntx=mode+matchallpartial&suggestions=false&ref=globalsearch&_requestid=52633&No=0&getResults=true&appliedparametrics=true&locale=en_UK&catalogId=&prevNValues=0+5116518+5677403&filtersHidden=false&appliedHidden=false&originalQueryURL=%2Fjsp%2Fsearch%2Fbrowse.jsp%3FN%3D0%26Ntk%3Dgensearch_001%26Ntt%3DULN2003%26Ntx%3Dmode%2Bmatchallpartial%26suggestions%3Dfalse%26ref%3Dglobalsearch%26_requestid%3D52633%26No%3D0%26getResults%3Dtrue%26appliedparametrics%3Dtrue%26locale%3Den_UK%26catalogId%3D%26prevNValues%3D0

 

Question 2

 

Do the letters at the end of the chip name mean anything inperticular?  (eg ULN2003A or ULN2003ADE4)

 

Question 3

 

Whats the best way to get a 12v source from the mains power supply?

 

Somthing like this?

 

http://www.amazon.co.uk/Universal-MAINS-POWER-ADAPTOR-300MA/dp/B003BEZ7HI/ref=sr_1_1?ie=UTF8&qid=1303026736&sr=8-1

 

Thanks everyone...

Parents Reply Children
No Data