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    5V photodetector to Teensy 3.1 interrupt

    Ok, thanks! So, the output is pulled up to 3.3V, cool! Now it looks like this, and seems to be working great: 5V 3V3 V -----+ | [10K] O ------------+------> to teensy pin 15 G ----- GND
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    5V photodetector to Teensy 3.1 interrupt

    Hi, I'm making an IR photodetector circuit, using the omron ee-sx3070: The IR light diode is on the left, and photodetector diode with the internal amplifier on the right. Since the photodetector works on min 4.5V, I've connected the V port to usb 5V, and G to ground. I've found somewhere...
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    PCT robot arm, alternative to inverse kinematics

    Thanks. Here is a video:
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    PCT robot arm, alternative to inverse kinematics

    Screenshot of OpenFrameworks program with cursor and target position detection by color filtering. The program takes a picture from the camera, finds the distance of cursor and target, compares it to reference distance, and sends the error as reference signal to lower systems - y to reach and x...
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    PCT robot arm, alternative to inverse kinematics

    Here is a diagram of all three levels of feedback loops: If something is unclear, feel free to ask, I'd be glad to explain.
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    PCT robot arm, alternative to inverse kinematics

    Hi! Video of visual servoing coming up in a few days.
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    PCT robot arm, alternative to inverse kinematics

    Hi guys, I made a robot arm based on principles of perceptual control theory, developed by W.T. Powers. As the title says, the arm can position the endpoint in space without the use of inverse kinematics. Instead, it uses a cascade, or a hierarchy of feedback loops. Positioning is not terribly...
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