Involvement:General (knows how to use it) - Ownership:1 day to 1 week
Pros:
They works even at a big distances.
And they dirty cheap - you cannot even think about such a prices in local stores.
Select appropriate resistors for the specifyed current and with enough power.
Cons:
Not at all - just cannot even think about any, the price, the quality, everything is ok.
Involvement:General (knows how to use it) - Ownership:more than 1 month
Pros:
Very cheap, can only buy 3 or 4 here at that price.
All works, tested it with my camera and a battery.
Can be powered even by a CR1220
Protects against wrong polarity at 3V, not idea how high voltage can it go.
Cons:
Not much
Maybe it would be better if they had a 5-piece pack since most people don't need that many ir emitters.
posted by f11lbert on 02/03/2013 Certified Owner
Involvement:General (knows how to use it) - Ownership:1 day to 1 week