MIT Origami Robot

Digestible and bio-decomposible robot from MIT.

Published on May 12, 2016

Researchers at MIT, the University of Sheffield, and the Tokyo Institute of Technology have demonstrated a tiny origami robot that can unfold itself from a swallowed capsule and, steered by external magnetic fields, crawl across the stomach wall to remove a swallowed button battery or patch a wound. (Learn more about the robot:


PID-controller and Ziegler-Nichols Method: How to get oscillation period?

This is a set of good illustration and instructions on how to attain the Ku (ultimate gain) which is important for using Zielger-Nichols tuning method.


Alsa Project – .asoundrc configuration

In order to set up the mic correctly, use the following from alsa project to make sure mic and speakers are configured properly.  Also remember to make sure the mic is unmute initially.

Link to snowboy hotword documentation here:

Change your ~/.asoundrc file to:

pcm.!default {
  type asym
   playback.pcm {
     type plug
     slave.pcm "hw:0,0"
   capture.pcm {
     type plug
     slave.pcm "hw:1,0"