PER|FORMER eurorack sequencer
PER|FORMER eurorack sequencer is an open source STM32 PCB design by westlicht: a 2-layer, 171.5 × 106.7 mm board with 304 components (46 distinct parts). It is built around the VO0600T, 74LV1T34, STMPS2151, OPA4172 and more. Filed under audio.
PER|FORMER Eurorack Sequencer - Hardware Design Files
This repository contains the hardware design files (KiCad) for the PER|FORMER eurorack sequencer.
For more information on the project go here.
The firmware is hosted in a separate repository here.
The width of the module is 34 HP in eurorack standard.
The BOM is available as a CSV and HTML. In addition to the parts on the PCB there are a few additional hardware components that are necessary to complete the build, see here.
Built around
Parts list
304 components, 46 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | VO0600T | SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | 74LV1T34 | SOT-23-5 | U2 |
| 1 | STMPS2151 | SOT-23-5 | U3 |
| 2 | OPA4172 | SOIC-14_3.9x8.7mm_P1.27mm | U4, U15 |
| 1 | 74HCT125 | SOIC-14_3.9x8.7mm_P1.27mm | U5 |
| 1 | MCP6004 | SOIC-14_3.9x8.7mm_P1.27mm | U6 |
| 2 | LM1117-3.3 | SOT-223-3_TabPin2 | U7, U10 |
| 1 | DAC8568C | TSSOP-16_4.4x5mm_P0.65mm | U8 |
| 1 | STM32F405RGTX STM32F405RGTx | LQFP-64_10x10mm_P0.5mm | U9 |
| 1 | 74HC165 | SOIC-16_3.9x9.9mm_P1.27mm | U11 |
| 3 | 74HC595 | SOIC-16_3.9x9.9mm_P1.27mm | U12, U13, U14 |
| 1 | R-78E5.0-1.0 | R-78E-1.0 | U16 |
| 5 | MMBT3904 | SOT-23 | Q1, Q2, Q3, Q4, Q5 |
| 1 | 8MHZ 8MHz | Crystal_SMD_Abracon_ABM3-2Pin_5.0x3.2mm_HandSoldering | Y1 |
| 2 | PJ301CM | PJ301CM_OFFSET | J1, J2 |
| 24 | PJ301BM | PJ301BM | J3, J4, J5, J6, J7, J8, J9, J10 +16 |
| 1 | PEC11R | ALPS_STEC12E08 | ENC1 |
| 1 | USB_A | MOLEX_USB_105057 | JP1 |
| 1 | PJS008U-3000 | PJS008U-3000-0 | JP2 |
| 1 | NHD-3.12-25664UC | NHD-3.12-25664UC | JP3 |
Show 26 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | JTAG | PinHeader_2x05_P1.27mm_Vertical | JP4 |
| 1 | POWER | PinHeader_2x05_P2.54mm_Vertical | JP5 |
| 1 | Serial / Bootloader | PinHeader_1x06_P2.54mm_Vertical | JP6 |
| 37 | TL1105 | TL1105T | SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW9 +29 |
| 2 | EVQQ2 | SW_SPST_EVQQ2 | SW8, SW19 |
| 32 | LTL1BEKVJNN | LTL1BEKVJNN | LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8 +24 |
| 1 | LM4040CIM3-10.0 | SOT-23 | D1 |
| 38 | 1N4148 | D_SOD-123 | D2, D5, D6, D7, D8, D9, D10, D11 +30 |
| 2 | 1N5819HW | D_SOD-123 | D3, D4 |
| 2 | Bead | R_0603 | L1, L2 |
| 25 | 100N 100n | C_0603 | C1, C2, C3, C4, C6, C7, C8, C14 +17 |
| 3 | 22U 22u | CP_Elec_5x5.8 | C5, C24, C40 |
| 4 | 1n | C_0603 | C9, C10, C21, C22 |
| 10 | 18P 18p | C_0603 | C11, C12, C15, C16, C33, C34, C37, C38 +2 |
| 2 | 47U 47u | CP_Elec_6.3x5.7 | C13, C46 |
| 4 | 2.2U 2.2u | C_0805 | C18, C23, C26, C29 |
| 1 | 1u | C_0603 | C39 |
| 11 | 220 | R_0603 | R1, R3, R4, R23, R24, R42, R43, R52 +3 |
| 16 | 10K 10k | R_0603 | R2, R5, R6, R7, R19, R20, R36, R49 +8 |
| 19 | 1k | R_0603 | R8, R18, R21, R68, R70, R71, R72, R73 +11 |
| 3 | 1M | R_0603 | R9, R15, R16 |
| 9 | 33K 33k | R_0603 | R10, R11, R12, R13, R31, R32, R38, R39 +1 |
| 15 | 100K 100k | R_0603 | R14, R17, R26, R27, R28, R29, R34, R35 +7 |
| 8 | 24K 24k | R_0603 | R22, R25, R41, R44, R51, R54, R62, R65 |
| 4 | 200K 200k | R_0603 | R30, R33, R37, R40 |
| 1 | 22K 22k | R_0603 | R47 |
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