IFD:Analog Circuits and Interfaces/interface schematics: Difference between revisions

Revision as of 13:29, 19 January 2023

This page shows a few ways to sense touch or force and convert it to an analog voltages.

This is a vintage style analog keyboard interface that is used e.g. on the stylophone to convert touches to pitches in 1V/Oct. More sophisticated version with note priority and touch/release detection can be found on music from outer space. Velostat Pressure Sensor / Moisture-to-Voltage converter

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 [http://www.falstad.com/circuit/circuitjs.html?ctz=CQAgjCAMB0l3BWEAWB0DsZnMwZgEwBsAHAJySkgKRUq5UCmAtGGAFABOITyhy3YdIW7IwwlkKjg4nEWIGSmuEguE0wMrkvw0J4-OnyqpGyLKUq93ArsFrpZrXeMt8xY+s0C3L4rcmejtz4+PxW4c6B5gZG4SFhkQ7mfi4EHklaaVbyVlFcfMassYmmsjnOBblJAObcCGDFivXFPjRmAM7WjeJZBeogAC4cAK4MbJ3lkjl94IMjY52VFWEzEEOj4+ANhdtMq3MbAEpb3SfBCPY0yP1tUNAIbADucuKVyu57-GbPFh9vOtw+k8urpKjFAV9gUxwZ9gqEIVAofEEeEgT9nLDXH9IeifJiUrDvtwCf8EUTtAjpjjwK9+JU0SB6fwimS2ABDcDYYk0UK6FLuMBIFhIUzwWxgaCkKXEPxwVhS0hkbwOeDArBhUjCdXedxE7VYkC8nWI55Gg1mlJ6rmwlmEzZMAkYklfWbrBbGiJ4-Zu+0Yv2Kb3ze3IuLwwmuoOdaGGFwwwMbKM2VIA8NrSPWSwY95kiMJl4uUS0kwHMYAeUN125IFwCFiKQg7CjvASimbObTGx+bcxhdZXaWTV2kTYxx4BRybctUkrrikbXu5jbE6ZJjFMgAHhXxKJDUqlO5mUYAF7DAA67QAkgAZADKAFE2JuQsVKARxPJD+AAGoAelLAGMBnPABBAA7dp-wACwAG2Gdp2kfRlYlwSAkBQ9BrEgIxPwAWwASyA9obwABzZUDQOGUDqgGBg8OghgOHPSiABNz1LUicOI88OAYNloLw9o8IYgZEMICBtAFBAPgIJBPxIsiKKogBHUZoPo0TYjcdR8EoaMMM-ao8IAI0IsAv3PNk4LYIA 1V/Oct analog keyboard interface]
-This is an vintage style analog keyboard interface that is used e.g. on the stylophone to convert touches to pitches in 1V/Oct. More sophisticated version with note priority and touch/release detection can be found on [http://musicfromouterspace.com/analogsynth_new/SINGLEBUSSKEYBOARD2007/SINGLEBUSSKEYBOARD2007.php music from outer space].
+This is a vintage style analog keyboard interface that is used e.g. on the stylophone to convert touches to pitches in 1V/Oct. More sophisticated version with note priority and touch/release detection can be found on [http://musicfromouterspace.com/analogsynth_new/SINGLEBUSSKEYBOARD2007/SINGLEBUSSKEYBOARD2007.php music from outer space].
 [http://www.falstad.com/circuit/circuitjs.html?ctz=CQAgjCAMB0l3BWcMBMcUHYMGZIA4UA2ATmIxAUgpABZsKBTAWjDACgAnEJ4wqb3iEFUw8SGzAYaAvixrSmeKkxp5wyMVFiQkAMQCWAOwDmDLgAUODAM7WArlbYB3GfxZ8qKNgCUQKFAqC-gqSHvw0Iij8VDAIEoRRwa5J7n4gACYMAGYAhnYANgAuTPkM6eoxWpDsXElgfEnCfvBsxn4BQg0d9ZXiLin1fhhRqV6F4MRRnh2VEDzQCCgIYAQIZLxgNKxaCAh4xAhYNGtgaIR0GhnZeUWcE1Od0Rpwzo-KgzGvPHxBHcKvKUEimU-wAHtxsLJTkhsGoWP5aOAojl8vl9MYcoUAPYcAA61gAxmiAA5scEsPBzC4sSDkFRUaSnEAotEY7F4wkksl+bDEcDYaTYMD0YXkRnI1HozE4-FE-Sk8EBEbC+hCqG4RFMllS9myrnkyRw+pGyB89xIRl8YlWWwOBhfIGqVyfA2EOmnEKbbinCCWkDWBiGaw47lLOa7PwEbiLTV8AAyAFEACLcphoZU0d2ib3yWMgGXWAC2WP01kKdrYQA Velostat Pressure Sensor / Moisture-to-Voltage converter]