Not yet tried. Cheap.

Not yet tried. Cheap.

Not yet tried. Cheap.

small usb voltage regulator, connects to usb power block and the knob controls the power . small blue led shows power flow . also has a mini usb that seems to do something not yet discovered ? maybe controls earth's gravity ?

small usb voltage regulator, connects to usb power block and the knob controls the power . small blue led shows power flow . also has a mini usb that seems to do something not yet discovered ? maybe controls earth's gravity ?

small usb voltage regulator, connects to usb power block and the knob controls the power . small blue led shows power flow . also has a mini usb that seems to do something not yet discovered ? maybe controls earth's gravity ?

ok

ok

ok

working great

working great

working great

Simple and works as expected.

Simple and works as expected.

Simple and works as expected.

Works great

Works great

Works great

Using this to control the speed of a usb powered cooling fan that was quite noisy. By using the USB Fan Speed Controller Module to reduce the speed of the noisy fan by about 5%, it has made the fan whisper quiet. Great value for money.

Using this to control the speed of a usb powered cooling fan that was quite noisy. By using the USB Fan Speed Controller Module to reduce the speed of the noisy fan by about 5%, it has made the fan whisper quiet. Great value for money.

Using this to control the speed of a usb powered cooling fan that was quite noisy. By using the USB Fan Speed Controller Module to reduce the speed of the noisy fan by about 5%, it has made the fan whisper quiet. Great value for money.

Muss noch getestet werden. Sonst alles Tip Top 👍🏻

Muss noch getestet werden. Sonst alles Tip Top 👍🏻

Muss noch getestet werden. Sonst alles Tip Top 👍🏻

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best poti

best poti

best poti