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Powering the LEGO Mindstorms Brick from a 9v Plugpack

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I have been asked a number of times too how I power my Stationary and Development Robots from a 9 Volt, 5 Amp D.C. Plugpack connected to the Mains Power Supply. I prefer to have a Power Supply that can easily handle the demands put on it. A minimum rating of 3 Amps is needed if you plan running 4x Motors from the EV3 Brick.

Boot Raspberry Pi from a USB Mass Storage Device

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By default, the Raspberry Pi boots from a microSD card. But since the release of the Raspberry Pi 3, new Pis have been able to boot from a USB mass storage device as well. Making that happen is a pretty easy thing to do, and it’s the subject of this how-to.
A word of warning: the new boot mode is in its experimental stage, so it might not work with your USB stick or hard drive. According to the Raspberry Pi Foundation, a couple of non-working examples are the Kingston DataTraveler 100 G3 32 GB and the Verbatim PinStripe 64 GB. The USB compatibility issue will only affect some of us, but the next warning is relevant to us all: setting the boot mode is permanent. With that said, this sounds much scarier than it is: your Pi will still boot preferentially from the microSD card, if one is plugged in.

FLL Robot from a single EV3 31313 Kit: Mark II

FLL Robot from a EV3 Kit
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This is my second attempt at a FIRST LEGO League (FLL) Robot which can be made from a single LEGO Mindstorms EV3 (Home 31313) kit. It was built with the intention of being demonstration Robot that the team members of the Metal Minds Robotics Team I mentor could build at home with their own EV3 Kits.

FIRST LEGO League (FLL) Robot from a single EV3 Kit

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This is my first attempt at a FIRST LEGO League (FLL) Robot which can be made from a single LEGO Mindstorms EV3 (Home) kit. It was built with the intention of being demonstration Robot that the team members of the Metal Minds Robotics Team I mentor could build at home with their own EV3 Kits.

Control an insect from your smartphone!

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The RoboRoach: Control a living insect from your smartphone for $99.99!

What is the RoboRoach?

The RoboRoach is the world’s first commercially available cyborg! That’s right… A real-life Insect Cyborg! Part cockroach and part machine. This is not a gimmick…  just good ol’ fashion neuroscience, evolution and engineering

Power the Mindsensors SensorMUX from a 9V Battery

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The SensorMUX is a multiplexer to connect 4x NXT sensors to single NXT port. The multiplexer can connect any sensor designed for Mindstorms NXT, both LEGO and/or third party sensors. The SensorMUX is requires an external battery source supplying a voltage range between 6 and 8.4 volts to operate.



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