David Johnson & Associates, an engineering consulting firm, is committed to providing exceptional electronic.  Services include applications engineering and new product development. Improving the cost and performance of existing product is a specialty.  Our reputation is that we provide swift solutions to difficult engineering problems in innovative and cost effective ways.
                    "
Electronics is my vocation, hobby and passion. David A. Johnson, P.E.


Discover Solar Energy Imagineering Ezine Discover Circuits
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Faraday Capacitance Proximity Switches

 

Faraday Capacitance Proximity Touch Switches

Faraday Capacitance Proximity Switches

Musical Chair Exhibit, Boston MA Children's Museum Musical Chair Exhibit, Boston MA Children's Museum
Musical Chair Exhibit
Children's Museum in Boston, MA
Musical Chair Exhibit
Children's Museum in Boston, MA

Images from the Hubble Space Telescope integrated with Holland Touch Pad™ technology at Science City of Kansas City in the Astronaut Training Center exhibition Patrons are directed to touch
the actual image to activate presentation
   

As part of its Phase 2 SBIR grant from the National Science Foundation, Touch Graphics is exploring a new technology for making museum exhibits more accessible for blind and low vision visitors. We are creating a touchable model of the Hall’s Rocket Park; the park includes two actual artifacts from the US space program from the 1960’s: a Mercury spacecraft set on a Titan rocket booster, and a Gemini capsule set on an Atlas booster.   Read More

 

Discover Solar Energy Imagineering Ezine Discover Circuits Joy Blooms
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