Optical Theremin Kit
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Description
The Knox Makers Optical Theremin educational electronics kit (KM-006) features two oscillators, a flashing LED, a light detector and a speaker, and is powered by a 9V battery. Surface mount construction and low parts density make this kit ideal for the soldering novice, but note that small surface mount components require tweezers and a small solder iron tip for assembly.
Parts List
| Qty | Part | Designator(s) |
|---|---|---|
| 1 | printed circuit board | - |
| 1 | 9V battery | - |
| 1 | 9V battery clip | - |
| 1 | Switch, SPDT | - |
| 4 | resistors, 1206 size | R1, R2, R4, R7 |
| 2 | potentiometers, 100k | R3, R5 |
| 1 | light detecting resistor | R6 |
| 1 | LED, 0805 size | D1 |
| 2 | capacitors, 0603 size | C2, C4 |
| 2 | capacitors, 0805 size | C3, C5 |
| 1 | capacitor, 1206 size | C1 |
| 2 | integrated circuits, LM555, SOIC-8 size | U1, U2 |
| 1 | 40mm speaker | SPK1 |
| 1 | small diameter solder, solder wick | - |
| 1 | extra practice components, 0603, 0805, 1208 size | - |
Instructions
Coming soon: PDF via GitHub]
Coming soon: Build Video
Design
schematic and board layout (Kicad), Gerber files