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Pros: seems to work great
Cons: a bit hard to solder
Other Thoughts: the five-hundred character thing is soooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo crap.argggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg i hate this nooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo
Bottomline: it dose what it needs to do
Pros: Some people report solder joints that were not properly flowed. Mine seemed flawlessVery low dropout voltage, I might remove the diode to make it lower.Nice stable output when driving from 4 AA or 1 li-ion. Came with pre stripped and tinned wires. Made for quick soldering.
Cons: None really
Other Thoughts: I don't know why but when i put a smoothing capacitor over the output, nothing worked.However, when I soldered it to the rings on the back (input) it worked fine. Can't expect to drive with 2 li-ion. I tried and the current dropped and dropped.
Bottomline: These are great circuit boards for less than $1 each
Pros: Very nice build quality item and very easy to use once you know where to make the connections. It has a low voltage drop over it's intended range and seems the best choice for driving 1 Watt LEDs.
Cons: None really.
Other Thoughts: I found it rather easy to solder instead of the people that complained about that, the solder pads are actually big enough to make a good connection and no other solder pads are too close to make faulty connections.
Bottomline: Excellent product, I will be using the 20 ordered and may order some more or some more powerfull (higher current) models in the future.
Pros: Very efficient regulator. I used it with 4 of my caving lamps and it's uncomparable with other systems. A must have !!!
Cons: None at this time.
Other Thoughts: You can connect the Led positive lead directly to the positive pad (bottom, center).
Bottomline: If you have a project in mind and this fits the features, it's a great product.
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