Euro mate
About the Euro mate PCB
Euro mate is an open source PCB design by lennartquerter, published on GitHub under the CC-BY-NC-4.0 license. It is a 2-layer board measuring 200 × 100 mm, with 98 components from 73 distinct parts.
Other key parts include the TL074, LM13700 and TL072. By type, the board carries 24 connectors, 20 resistors, 14 capacitors, 11 diodes, 3 ICs and 2 switches.
It belongs with the audio designs in this gallery.
From the project
Lenimal Github for DIY for a Eurorack Synth
PCB tooling kit for creating euro rack modules.
- Connection to bench power supply (banana plug) - 6 x POTS (100K) - 2 x POTS (1M) - 4 x buffered output (with jacks) - 4 x input jacks - 16 pin IDC connector - 8 pin IDC connector - 4 x LED driver circuit (with transistor)
- keyboard button for trigger - CV voltage control (-10V to +10V) - Gate OUT - CV OUT
Main components on the Euro mate
Euro mate bill of materials (BOM)
98 components, 73 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TL074 | DIP-14_W7.62mm_Socket_LongPads | U1 |
| 1 | LM13700 TL074 | DIP-14_W7.62mm_Socket_LongPads | U2 |
| 1 | TL072 | DIP-8_W7.62mm_Socket_LongPads | U3 |
| 1 | OUT_1 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J1 |
| 1 | OUT_2 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J2 |
| 1 | OUT_3 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J3 |
| 1 | OUT_4 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J4 |
| 7 | Conn_01x04 | PinSocket_1x04_P2.54mm_Vertical | J5, J13, J19, J20, J21, J22, J23 |
| 6 | Conn_01x06_Socket | PinSocket_1x06_P2.54mm_Vertical | J6, J8, J15, J16, J17, J18 |
| 2 | Conn_01x06_Pin | PinHeader_1x06_P2.54mm_Vertical | J7, J14 |
| 1 | JACK_1 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J9 |
| 1 | JACK_2 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J10 |
| 1 | JACK_3 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J11 |
| 1 | JACK_4 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J12 |
| 1 | Conn_01x02_Socket | PinSocket_1x02_P2.54mm_Vertical | J24 |
| 1 | R_0402 | R_0402 | 0402 |
| 1 | R_0603 | R_0603 | 0603 |
| 1 | R_0805 | R_0805 | 0805 |
| 1 | R_1206 | R_1206 | 1206 |
| 1 | Crystal_SMD_HC49-SD | Crystal_SMD_HC49-SD | HC49 |
Show 53 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | PWR | IDC-Header_2x08_P2.54mm_Vertical | PWR_IN_1, PWR_OUT_1 |
| 1 | Conn_02x05_PWR_Eurorack | IDC-Header_2x05_P2.54mm_Vertical | PWR_OUT_2 |
| 1 | QFN-28-1EP_4x4mm_Pitch0.4mm | QFN-28-1EP_4x4mm_Pitch0.4mm | QFN28 |
| 2 | B100K 100K | Potentiometer_TT_P0915N | RV1, RV2 |
| 2 | B500K 100K | Potentiometer_TT_P0915N | RV3, RV6 |
| 1 | B10K 100K | Potentiometer_TT_P0915N | RV4 |
| 1 | 100K | Potentiometer_TT_P0915N | RV5 |
| 2 | Keyswitch | SW_Cherry_MX_PCB_1.00u | S1, S2 |
| 1 | SOT-323_SC-70 | SOT-323_SC-70 | SC70/ |
| 1 | D_SOD-323 | D_SOD-323 | SOD323 |
| 1 | SOIC-8_3.9x4.9mm_Pitch1.27mm | SOIC-8_3.9x4.9mm_Pitch1.27mm | SOIC8 |
| 1 | SOT-23 | SOT-23 | SOT23 |
| 1 | SOT-23-5 | SOT-23-5 | SOT23-5 |
| 1 | SOT-89-3 | SOT-89-3 | SOT89 |
| 1 | SOT-223 | SOT-223 | SOT223 |
| 1 | TQFP-32_7x7mm_Pitch0.8mm | TQFP-32_7x7mm_Pitch0.8mm | TQFP32 |
| 1 | LED_WS2812-PLCC6 | LED_WS2812-PLCC6 | WS2812 |
| 3 | 1N4148WS 1N5819 | D_DO-41_SOD81_P10.16mm_Horizontal | D1, D2, D3 |
| 1 | 1N4148WS 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D4 |
| 2 | 1N5819WS 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D5, D6 |
| 1 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D7 |
| 1 | 1N4148 LED | LED_D5.0mm (center Aligned) | D8 |
| 1 | 1N4148WS LED | LED_D5.0mm (center Aligned) | D9 |
| 1 | LED | LED_D5.0mm (center Aligned) | D10 |
| 1 | TO-252-3_TabPin2 | TO-252-3_TabPin2 | D-PAK/TO-252 |
| 1 | 1NF 0.1uF | CP_Radial_D4.0mm_P2.00mm | C1 |
| 1 | 470NF 47uF | CP_Radial_D6.3mm_P2.50mm | C2 |
| 2 | 2.2UF 47uF | CP_Radial_D6.3mm_P2.50mm | C3, C4 |
| 1 | 47NF 0.1uF | CP_Radial_D4.0mm_P2.00mm | C5 |
| 1 | 33NF 0.1uF | CP_Radial_D4.0mm_P2.00mm | C6 |
| 1 | 2.2NF 0.1uF | C_RECT_WIMA_0.1uF | C7 |
| 1 | 10NF 0.1uF | C_RECT_WIMA_0.1uF | C8 |
| 1 | 22NF 10nF | C_RECT_WIMA_0.1uF | C9 |
| 2 | 47UF 0.1uF | C_RECT_WIMA_0.1uF | C10, C14 |
| 2 | 100NF 0.1uF | C_RECT_WIMA_0.1uF | C11, C13 |
| 1 | 100NF 10nF | C_RECT_WIMA_0.1uF | C12 |
| 1 | 330K 1K | R_Default (DIN0207) | R1 |
| 3 | 100K 1K | R_Default (DIN0207) | R2, R3, R4 |
| 2 | 10K 10R | R_Default (DIN0207) | R5, R6 |
| 1 | 68K 10R | R_Default (DIN0207) | R7 |
| 1 | 180K 1M | R_Default (DIN0207) | R8 |
| 1 | 1M | R_Default (DIN0207) | R9 |
| 1 | 39K | R_Default (DIN0207) | R10 |
| 1 | 1K5 39K | R_Default (DIN0207) | R11 |
| 1 | 10K 100K | R_Default (DIN0207) | R12 |
| 1 | 2K2 100K | R_Default (DIN0207) | R13 |
| 1 | 33K | R_Default (DIN0207) | R14 |
| 1 | 10K 33K | R_Default (DIN0207) | R15 |
| 1 | 4K7 1K | R_Default (DIN0207) | R16 |
| 1 | 10K 1K | R_Default (DIN0207) | R17 |
| 1 | 6K8 470R | R_Default (DIN0207) | R18 |
| 1 | 1K5 680R | R_Default (DIN0207) | R19 |
| 1 | 3K3 680R | R_Default (DIN0207) | R20 |
Euro mate design files
The KiCad project lives in the lennartquerter/euro-rack-synth repository on GitHub; these links point at the commit this page was built from.
Euro mate: common questions
How big is the Euro mate PCB?
The Euro mate measures 200 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Euro mate?
98 components, from 73 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 Euro mate design files?
From the lennartquerter/euro-rack-synth repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Euro mate design in my own project?
It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.
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