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Building a DIY personal, portable, briefcase computer workstation with a Raspberry Pi!

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Learn what a logic level is, and how to interface between different technologies, with a few of our tutorials!

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A new guide shows you how to enable remote desktop on your Raspberry Pi.

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Building a set of speakers from goat skin and connecting them to a network media server

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An overview (and pre-orders!) of the newest Raspberry Pi single board computer.

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We run several SBCs through their paces and compare their performances.

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Check out this project from Creative Technologist Nick Poole using the pcDuino Camera Module.

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This is a big week. We've got a great video and a bunch of new products. Come check them out.

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Stuff for your single board computer, LEDs, and a book for learnin'. Check out what's new this week.

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Another week, another round of new products. This week is also special, since it's the official release of the RedBoard.

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Getting started with the Raspberry Pi? Well, SparkFun has something for you.

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The new UDB4 is smaller and more powerful than before. See how the developers refined the system using very interesting testing techniques.

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I'm not a Python guy but that code doesn't do what you say it does. The first comment already picked the derivative created by the following…

CENTER TURN Each wheel rotates in opposite directions, bot turns about it's axis. Theta is the angle to turn in degrees Ep is encoder pulses…

By phase I just meant the wheels were out of sync a sequence of encoder counts; (0,1) (1,1) (1,2) is not indicative of one wheel traveling…

Hey #812, Thanks for chiming in here! I had some fun tweaking the Twist firmware to get better resolution. I'm currently getting about 600…

I've done this with the Arduino, and the parallax boebot encoders with students. They have worse resolution than your encoders (64 per wheel…

I tried the code and it did not work for me. FOR ANYONE ELSE TRYING IT: If you want it to work, in the attachInterrupt, set the third…

Here's a photo of the the wooden key. I'm proud. https://www.dropbox.com/s/nzxsg77x08eytsx/2020-04-06%2015.51.02.jpg?dl=0

Hi! I'm fixing one of these up. Just carved a new key out of wood! But the motor is so noisy! Do you think there's a source for quieter fan…

I remember how hard it was trying to come up with a traffic light model for my science project back in high school.

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