Involvement:Expert (understands the inner workings) - Ownership:more than 1 month
Very easy to use.
Very practical power source for small electronic components.
It has switch which is useful if you don't need "always on" power supply unit.
It's under $2 so it's cheap.
Build quality is good for price you pay.
Nothing to report, work fine.
Very useful (in my case I used it as backup power source for LED indicator). Also, I tested this as PSU for laser diode (worked fine).
Great purchase and great solution for small power supply unit.
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