Monday, October 22, 2018
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Tag Archives: power

USB Voltage Meter with OLED Display

Can't figure out what's wrong with your battery charger? Try this USB Voltage Meter with OLED display. (Photo credit: Adafruit.)

Is your voltage is too low? Is your current draw is too high? Find out with the USB In-Line Voltage Meter with OLED Display. Just plug it in between, say, your ethernet cable and your Arudino, and the OLED screen with information about the current, voltage, …

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Wood Pulp Batteries in Development

Researchers have created a battery from tree pulp that can be squished much like a sponge. (Photo credit: KTH.)

Robots could one day be powered by tree pulp. Researchers at KTH Royal Institute of Technology and Stanford University have developed a method for making elastic high-capacity batteries using nanocellulose from broken down from tree fibres. The battery can be squished, much like foam, and therefore …

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A Reliable, International Power Supply for Single-Board Computers

This 5V 2A Power Adapter from Adafruit was designed to eliminate brownouts. Photo courtesy of Adafruit.

A¬†poorly made power supply can wreak havoc on a robotics project, particularly one that uses USB power. If the cable is too long, made with narrow gauge wire, and the project requires a lot of current, the adapter might not provide 5V reliably. This can cause¬†brownouts …

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