Differences

This shows you the differences between two versions of the page.

--- tempcontroller:feedback [2010/03/03 19:49]
ladyada
+++ tempcontroller:feedback [2016/01/28 18:05] (current)
@@ Line 32: / Line 32: @@
 ^ Automobile  | Desired speed  | Transmission & Engine  | Car actual speed  | Speedometer  | Press or release pedal  |
 ^ Moving computer mouse  | 'Start' button  | Arm muscles  | Movement of cursor  | Eyeballs and finger nerves  | Brain changes muscle movement and strength  |
-^  Airplaine heading  | Final destination  | Airplane controls (which have their own feedback!)  | Current location  | GPS  | Turning plane to correct heading  |
+^ Airplaine heading  | Final destination  | Airplane controls (which have their own feedback!)  | Current location  | GPS  | Turning plane to correct heading  |
+^ Cooking  | Tasty soup  | Recipe & pot of water  | Taste and smell of soup  | Human tongue and nose  | Add salt or other ingredients  |
+====== Cool! ======
+OK so by now I should have been able to convince you that feedback is awesome. Its also everywhere (so look for it!) and useful for building temperature controllers. Now the theory is solid, but the implementation is the tough part. Building a feedback system that works is an engineering exercise - choosing the proper sensor and picking the feedback algorithm can be a serious endeavour.

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