projects:biosonification:sfcs

Differences

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

Link to this comparison view

projects:biosonification:sfcs [2026/09/17 22:31] – created John Harrisonprojects:biosonification:sfcs [2026/09/18 11:10] (current) – John Harrison
Line 17: Line 17:
   * Range: **1.5 kHz – 3.5 MHz** ([[https://github.com/chonigman/SweepingCapSense|library README]]). Disney's AD5932 covered 1 kHz–3.5 MHz with a true sine   * Range: **1.5 kHz – 3.5 MHz** ([[https://github.com/chonigman/SweepingCapSense|library README]]). Disney's AD5932 covered 1 kHz–3.5 MHz with a true sine
   * **Up to 198 steps** per the paper. (library README says 200 max.)   * **Up to 198 steps** per the paper. (library README says 200 max.)
-  * sample code does 100Khz to 16Mhz+  * //sample code does 100Khz to 16Mhz//
   * Waveform generated by AVR 16-bit hardware timers via direct register manipulation ([[https://github.com/Illutron/AdvancedTouchSensing|Møbius's original code]] from [[https://dzlsevilgeniuslair.blogspot.com/2012/05/arduino-do-touche-dance.html|this post]] uses hex/binary timer addressing — the library exists to wrap that)   * Waveform generated by AVR 16-bit hardware timers via direct register manipulation ([[https://github.com/Illutron/AdvancedTouchSensing|Møbius's original code]] from [[https://dzlsevilgeniuslair.blogspot.com/2012/05/arduino-do-touche-dance.html|this post]] uses hex/binary timer addressing — the library exists to wrap that)
   * Arduino can hit those frequencies but only as a square wave with lower resolution, producing unwanted harmonics. The LC resonant circuit reshapes it toward a sinusoid   * Arduino can hit those frequencies but only as a square wave with lower resolution, producing unwanted harmonics. The LC resonant circuit reshapes it toward a sinusoid
  • projects/biosonification/sfcs.1789684288.txt.gz
  • Last modified: 2026/09/17 22:31
  • by John Harrison