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What do Analog and Digital Mean Anyway?

We all talk about "digital" technology, but do you really know what it means? Most people would say that "digital" is synonymous with "electronic" or "computerized", but in fact there is such a thing as an analog computer and a digital mechanical device, and it's not always clear which one is better.  Ok, then what does "analog" actually mean? According to Dictionary.com Analog, when used as an adjective means: of or relating to a mechanism that represents data by measurement of a continuous physical variable, as voltage or pressure. We can demonstrate analog arithmetic using measuring cups. Imagine how we...

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Making a lifelike robot with limited processing resources

Making a lifelike robot with limited processing resources

It's a simple fact of life that you NEVER have the computational resources you would like, and the more ambitions your project, the more true this becomes. A great example of this is making lifelike and relatable robots. Consider Sophia, the ubercreepy state of the art humanoid robot. Hansen robotics has thrown computational resources at this problem that are limited only by the current state of the art computer chip. And for all that, they've only moved one tiny step past nightmare fuel. How can our tiny little robots with their tiny little processors compete with that?   The answer,...

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How You (Yes YOU) Can Build Complex Circuits

Here at mimicEducationalRobots we farm out most of our production circuit board assembly, but we still assemble all prototypes in house. Most people are surprised to learn how relatively simple the process really is. This blog assumes that a unique PCB of your own design has come out of your wonderful brain, or at least that you're interested in how we do things here. Post continues below video.   You can design our own board using the free EAGLE CAD software, or any of a number of free tools. To do this yourself you'll need: Bare PCB of your design...

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What's so special about Posi-Feel(tm)?

Posi-Feel(tm) is our patent pending method of giving the user a sense of feel and haptic feedback. Traditionally robots that convey a sense of force to the user use a "force feedback" system, in which the force the robotic gripper is applying is communicated to the controller, which exerts the opposite force on the user. Posi-Feel(tm) turns this method on it's head using "position feedback force control".  Instead of the robot communicating force to the controller, the controller measures the users input force and communicates this force to the robot.  The robots grip force is then controlled by the users...

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What's a Cobot Anyway?

What's a Cobot Anyway?

The word "Cobot" stands for "Collaborative Robots" and was coined in 1996, and refers to a robot that "collaborates" with it's humans. Through the 1990's the most common robots performed repetitive tasks in controlled environments, such as assembly lines. Workers gave these robots a wide berth, and in general protective barriers were required to keep people out of the danger zone, where they could be injured by the robots. Processing power and sensor technology was just beginning to grow sophisticated enough to allow robots to adapt to unpredictable situations, such as parts that were not centered properly on a conveyor...

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