This Adjustable Voltage Wall Adapter is an all-in-one solution to powering (the majority) of your projects off a wall adapter. This adjustable wall adapter features a rotary switch on the enclosure that allows you to select the voltage that best works for your system or device. It features an adjustable range between 5 and 15 VDC with up to 45W of power. A MicroUSB and selection of assorted barrel jack tips allows you to easily configure a power supply that works for your system or product; no more looking for a wall adapter you might not have anymore. The adapter also features a USB A port that can provide 5VDC and 2A for needs that require a different USB style.
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I just received two of these, set one to 13.5v, connected it to an ECU from my car, and found the ECU non-responsive. The CPU and flash still work, as verified by a BDM device, but it's otherwise bricked.
My voltmeter shows both of these power supplies putting out 20v for about a half-second before dropping to 13.5v. So now I'm wondering if that's enough to kill the ECU's onboard power supply. (It might be repairable, I haven't opened it up yet.)
I am curious as to whether or not anyone else seems a similar spike in voltage.
Not gonna mention the extra USB charging port?
(It's always 5V, I hope?)
Ok, I just tested with a mutimeter. I adjusted the voltage as well to 12V on the cable just as a quick test and the USB port is about 5V as expected. My co-worker just updated the product description and features tab. =)
Nice catch. I haven't tested this power supply yet but the sticker indicates that the extra USB port outputs 5V/2.4A.