September 2010
2 posts
Kids Toy: Squeaky Feet
Kids toy!
For a fancy version, using pressure sensors in or under the shoe, for a cheap version, using an accelerometer or spring mass switch. Controller could be leg or belt mounted.
When you walk, the controller would play back different sounds. Stomping, squeaky floor, etc. For the two sensor version, the sounds could be multi part or just segments played back as you moved forward. That way,...
Temperature Sensor Array
Use the top metal layer of a CMOS process to build structures that resonate at a specific frequency. Use the layer below to excite the resonance. Use the layer below that to build a similar structure and use as a reference. By measuring the difference in frequency between the two, small changes/differences in the structure (like length) could be detected. If possible, coat the top layer to a dark...