SMT-Theremin v2
About the SMT-Theremin v2 PCB
SMT-Theremin v2 is an open source PCB design by KnoxMakers, published on GitHub. It is a 2-layer board measuring 81.3 × 50.8 mm, with 42 components from 16 distinct parts.
Other key parts include the NE555. By type, the board carries 23 resistors, 5 test points, 5 capacitors, 2 ICs, 1 speaker and 1 switch.
From the project
schematics, board files, firmware, slide decks, and the like
Main components on the SMT-Theremin v2
SMT-Theremin v2 bill of materials (BOM)
42 components, 16 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | NE555 | SOIC-8_3.9x4.9mm_P1.27mm | U1, U2 |
| 1 | Speaker | Speaker-40mm | LS1 |
| 4 | Mount Hole | Mount-Hole-#4 | MTH1, MTH2, MTH3, MTH4 |
| 1 | SW_SPDT | KM-SPDT-Slide | SW1 |
| 4 | EZ Hook Hole | TP-Minigrabber-Edge-Via | TP1, TP2, TP3, TP4 |
| 1 | 9V Battery | PinHeader_1x02_P2.54mm_Vertical | TP5 |
| 1 | LED | D_0805_HandSoldering | D1 |
| 1 | 10u | C_1206_HandSoldering | C1 |
| 2 | 0.01u | C_0603_HandSoldering | C2, C4 |
| 2 | 0.1u | C_0805_HandSoldering | C3, C5 |
| 8 | 1k | R_1206_HandSoldering | R1, R2, R4, R8, R9, R10, R11, R12 |
| 2 | 100k | Bourns-3386PT-xxx-xxxx | R3, R5 |
| 1 | R_PHOTO | R_LDR_5.1x4.3mm_P3.4mm_Vertical | R6 |
| 1 | 100 | R_1206_HandSoldering | R7 |
| 6 | 1k | R_0805_HandSoldering | R13, R14, R15, R16, R17, R18 |
| 5 | 1k | R_0603_HandSoldering | R19, R20, R21, R22, R23 |
SMT-Theremin v2 design files
The KiCad project lives in the KnoxMakers/Electronics repository on GitHub; these links point at the commit this page was built from.
SMT-Theremin v2: common questions
How big is the SMT-Theremin v2 PCB?
The SMT-Theremin v2 measures 81.3 × 50.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the SMT-Theremin v2?
42 components, from 16 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the SMT-Theremin v2 design files?
From the KnoxMakers/Electronics repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the SMT-Theremin v2 design in my own project?
The repository has no license, so all rights stay with KnoxMakers. Use it as a reference, and ask the author before reusing the design.
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