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  • Overall Rating: 5
  • Price: 5
  • Quality: 5
  • Ease Of Use: 5
  • Usefulness: 5
Great product – Mini DC-DC Voltage Stabilizer/Regulator Module Reviews

posted by Pquang on 08/24/2013 Certified Owner

Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

Pros:
The module is inexpensive, but is very well built. It is super useful. I used it to build an iDevice charger by using a Nikon EN-EL3e 7.4V battery, and by adding 2 voltage dividers for the data lines. I was also able to use it to step down the voltage from car battery to power Raspberry Pi, a USB hub, and several other USB devices.
Cons:
none at all
Other:
When I adjust the pot to exact 5.0V for powering Raspberry Pi in the car, the voltage is very stable. But when I start adding other USB devices like a WiFi dongle and USB receiver, the voltage can drop to 4.8V (still not crashing RPi yet), but I was able to adjust the pot to bring it back up to 5.0V easily
Bottomline:
The product is great and super useful. I decided to skip the 7805 altogether because of the heat and inefficiency. I was very happy with the decision because this module can handle more current with no heat issue, plus I can reuse the module over and over for other projects with different voltages.

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