Theremin+Project

Make an optical Theremin. http://www.instructables.com/id/How-To-Build-An-Optical-Theremin/

http://www.jameco.com/jameco/pressroom/theremin.html


 * Step 1: Gather Materials **

This needs very few parts, I made mine for under $20. Here is what you need:


 * **Qty.** || **Part Description** || **Manufacturer Part Number** ||
 * 2 || **Phototransistors** || [|UT1893-91-0125-R] ||
 * 1 || **TLC555 Timer IC** || [|TLC555CP] ||
 * 1 || **.047µF Capacitor** || [|DC.047B] ||
 * 1 || **100µF Capacitor** || [|RA100/16-R] ||
 * 1 || **1MΩ Resistor** || [|CF1/4W105JRC] ||
 * 1 || **10kΩ Resistor** || [|CF1/4W103JRC] ||
 * 1 || **Battery Pack** (to fit 4 AA) || [|SBH-341-1AS-R] ||
 * 4 || **AA Batteries** || [|ALK AA (EN91)] ||
 * 1 || **Hook-up Wire** || [|#9313-0-R] ||
 * 1 || **Breadboard** || [|WBU-301-R] ||
 * 1 || **Small Speaker** || [|KWT2340F12L-2E] ||
 * 1 || **Wire Stripper** || [|JE-2022C-R] ||