/challenges-projects/design-challenges/inductive-sensing/b/blog/posts/more-musicAnyone a clue about this circuit ? What is it used for ? Make an educated guess! Lots of coils, capacitors and analog stuff inside, YES, it&#39;s a Theremin, a musical instrumet that was popular in the late 70th. Basically there are two antenna...en-USTelligent Community 12https://community.element14.com/challenges-projects/design-challenges/inductive-sensing/b/blog/posts/more-musicSat, 24 May 2014 16:16:25 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:4d1738cf-68b2-4fa2-abc5-39b1539d2178D_Hersey0<p>Leon Theremin got his patent in 1928.&nbsp; Lenin, it turns out, was a good player.</p><img src="https://community.element14.com/aggbug?PostID=17766&AppID=111&AppType=Weblog&ContentType=0" width="1" height="1">