How to use Pyroelectric ("Passive") Infrared Sensors (PIR) Father AI Sensor Array - LVL1. Description: This is the sensor array for the Father AI project.
This makes Father AI aware of its environment. More Details: Photo Gallery: This post was submitted by admin. Helmholtz resonance. A brass, spherical Helmholtz resonator based on his original design, circa 1890-1900.
Qualitative explanation[edit] When air is forced into a cavity, the pressure inside increases. PCL - Point Cloud Library. DIY Bend Sensor (Using only Conductive Bags and Masking Tape) So, after lurking around in the shadows for years I've finally gotten round to making my first step-by-step instructable.
*yay* A little background as to how this whole idea came about. Back in 2009, I needed some bend sensors for a sign language translation glove I was making for fun, and the commercial ones that just came out were over my budget considering I needed at least 10. Then I came across plusea's DIY bend sensors on Instructables.