Negative Positive
Title: Useful
Review: I bought ten of these in one whop. I've used most of them for various things. One of the most useful was wiring it to my thermostat, eliminating batteries for that. That thermostat was going thru batteries like crazy. No longer. This adapter, or power supply, is for low current applications, but I have found them quite handy for tinkering with projects as I am a retired electronics tech. I also used it to hard wire my smoke detector as well and set the voltage to 9 volts. Whenever the batteries got low on the smoke detector it would chirp at odd hours, like 2 am. Anyway, I'm also using it to power a slew of LED lights, just over 200 to be exact. These are to provide lighting in my backyard continuously at night and they turn off via a photo switch (see review).
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