10knobs
About the 10knobs PCB
10knobs is an open source PCB design by tomcombriat, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 88.5 × 56.5 mm, with 35 components from 20 distinct parts.
Other key parts include the MCP4822, BluePill_STM32F103C, 6N138 and LM358. By type, the board carries 11 resistors, 6 capacitors, 4 ICs, 2 diodes and 1 connector.
It belongs with the audio designs in this gallery.
From the project
Software and hardware files for the TES 10k synths serie, cheap synthesizer powered with Mozzi using a STM32 BluePill as its main chip
Actual working version of 10 knobs synth. Features an STM32 BluePill, with DAC used defined output (STANDARD_PLUS 24bits of Mozzi @ 32k)
- hardware folder contains the kicad project and the masks for an homemade PCB (in svg format). - softwares folder contains the different Arduino sketches that can be uploaded on this synth.
Main components on the 10knobs
10knobs bill of materials (BOM)
35 components, 20 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MCP4822 | DIP-8_W7.62mm | U1 |
| 1 | BluePill_STM32F103C | BluePill_STM32F103C | U2 |
| 1 | 6N138 | DIP-8_W7.62mm | U3 |
| 1 | LM358 | DIP-8_W7.62mm | U4 |
| 1 | Conn_01x06_Female | PinHeader_1x06_P2.54mm_Vertical | J1 |
| 10 | 10K | Potentiometer_Alps_RK09K_Single_Vertical | RV1, RV2, RV3, RV4, RV5, RV6, RV7, RV8 +2 |
| 1 | 1k_Trim | Potentiometer_Bourns_3266Y_Vertical | RV9 |
| 1 | 1N914 | D_DO-35_SOD27_P7.62mm_Horizontal | D1 |
| 1 | LED | LED_D3.0mm | D2 |
| 1 | 100m_chem | CP_Radial_D5.0mm_P2.50mm | C1 |
| 2 | 0.1m ceram | C_Disc_D3.0mm_W2.0mm_P2.50mm | C2, C7 |
| 2 | 10m | CP_Radial_D5.0mm_P2.50mm | C4, C5 |
| 1 | 100m chem | CP_Radial_D5.0mm_P2.50mm | C6 |
| 1 | 10 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1 |
| 4 | 220 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2, R3, R4, R5 |
| 1 | 470k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R6 |
| 1 | 33 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R7 |
| 1 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R8 |
| 1 | 100R | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R9 |
| 2 | 22k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R10, R11 |
10knobs design files
The KiCad project lives in the tomcombriat/TES_10-knobs-synth repository on GitHub; these links point at the commit this page was built from.
10knobs: common questions
How big is the 10knobs PCB?
The 10knobs measures 88.5 × 56.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the 10knobs?
35 components, from 20 distinct parts. The full bill of materials is listed on this page.
Where can I download the 10knobs design files?
From the tomcombriat/TES_10-knobs-synth repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the 10knobs design in my own project?
Yes, under the terms of its GPL-3.0 license, which tomcombriat chose for the repository.
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