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2 layers281.6 × 255.2 mmSynthia, the printed circuit board in 3D

Synthia

Engineering-House/Project-Synthia

The programs used are as follows: - STMCube32MX - Visual Studio Code - STM32CubeIDE for Visual Studio Code (Extension Pack)

Open in PCBKitView on GitHub.kicad_pcb
Size
281.6 × 255.2 mm
Copper layers
2
Thickness
1.6 mm
Parts
236
Nets
339
Pads
722
Tracks, vias
1,123, 1,593
Pours
1
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
8 Feb 2026
Updated
7 Nov 2026

Overview

Synthia is an open-source printed circuit board by Engineering-House, from the Engineering-House/Project-Synthia repository on GitHub. It is a 2-layer board of 281.6 × 255.2 mm with 236 parts on 339 nets, routed with 1,123 tracks and 1,593 vias.

It is built around the STM32H750ZBT6, TLV272IP and PVA1 EE H3 1.2N V2, with the ATS08A-E, LD1117V33 and CF14JT10K0 among its other parts. Its parts include 81 resistors, 48 switches, 41 diodes, 28 capacitors and 7 ICs. It belongs with the STM32 boards of this library.

Main components

12

README

README.md

Project Synthia

Project Synthia is a digital synthesizer that is designed based upon the Suzuki Omnichord. This repository contains the firmware code for the microcontroller.

Equipment

The microcontroller used in Project Synthia is a ______.

The programs used are as follows:

  • STMCube32MX
  • Visual Studio Code
    • STM32CubeIDE for Visual Studio Code (Extension Pack)

Parts

236
QtyValueFootprintReferences
70CF14JT10K0Synthia_footprint_library:STA_CF14_STPR2, R10, R11, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25 +54
46TL1105BF160QSynthia_footprint_library:SW_TL1105BF160QS1, S2, S10, S11, S12, S13, S14, S15, S16, S17, S18, S19, S20, S21, S22, S23 +30
391N4001Diode_THT:D_DO-41_SOD81_P10.16mm_HorizontalD2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24 +23
15GRM188R72A104KA35DSynthia_footprint_library:GRM188R72A104KA35DC6, C7, C8, C9, C10, C11, C13, C14, C15, C16, C17, C18, C19, C20, C22
8100kΩSynthia_footprint_library:STA_CF14_STPR12, R41, R44, R45, R46, R47, R48, R49
310 uFCapacitor_THT:CP_Radial_Tantal_D5.0mm_P5.00mmC2, C25, C28
2+9VTestPoint:TestPoint_Pad_2.0x2.0mmTP2, TP24
2C0603C330J5GACTUSynthia_footprint_library:CAPC17595_87N_KEM-LC23, C24
2CL10B105KA8NNNCSynthia_footprint_library:CAP_CL10_SAM-LC12, C21
2GRM188R71A225KE15DSynthia_footprint_library:G-188_MURC4, C5
2P120PK-Y25BR10KSynthia_footprint_library:POT_P120PK-x25_TTER50, R79
2PVA1EEH31.2NV2Synthia_footprint_library:SWITCH_H31.2NV2U4, U5
1+3.3VTestPoint:TestPoint_Pad_2.0x2.0mmTP3
110Synthia_footprint_library:STA_CF14_STPR1
1100 nFCapacitor_THT:CP_Radial_Tantal_D5.0mm_P5.00mmC1
11063Synthia_footprint_library:BAT_1063BT1
11N4742ADiode_THT:D_DO-41_SOD81_P10.16mm_HorizontalD1
1500 uFCapacitor_THT:CP_Radial_Tantal_D5.0mm_P5.00mmC3
1ATS08A-ESynthia_footprint_library:ATS08A-E_CTSU6
1BAS70-05Synthia_footprint_library:P200_SOT-23D41
1Battery_1TestPoint:TestPoint_Plated_Hole_D2.0mmTP6
1Battery_1_GNDTestPoint:TestPoint_Plated_Hole_D2.0mmTP7
1Battery_2TestPoint:TestPoint_Plated_Hole_D2.0mmTP4
1Battery_2_GNDTestPoint:TestPoint_Plated_Hole_D2.0mmTP8
1Battery_3TestPoint:TestPoint_Plated_Hole_D2.0mmTP5
1Battery_3_GNDTestPoint:TestPoint_Plated_Hole_D2.0mmTP9
1C0603C105K4RACTUSynthia_footprint_library:CAPC17595_87N_KEM-LC26
1DFU BOOTSynthia_footprint_library:SW_TL1105BF160QS48
1FG28X7R1H473KNT06Synthia_footprint_library:CAP_FG28_TDKC27
1IRF9540NPackage_TO_SOT_THT:TO-220-3_VerticalQ1
1LD1117V33Synthia_footprint_library:TO255P1020X450X1968-3U3
1LM386N-4/NOPBSynthia_footprint_library:N08E_TEXU7
1LOGOLOGOLOGO
1MJ-63022BSynthia_footprint_library:CUI_MJ-63022BJ1
1MicroUSB D+ PinTestPoint:TestPoint_Plated_Hole_D2.0mmTP20
1MicroUSB D- PinTestPoint:TestPoint_Plated_Hole_D2.0mmTP19
1MicroUSB GNDTestPoint:TestPoint_Plated_Hole_D2.0mmTP21
1PJ-007Synthia_footprint_library:SAMESKY_PJ-007J3
1RESETSynthia_footprint_library:SW_TL1105BF160QS42
1SDS-50JSynthia_footprint_library:CUI_SDS-50JJ4
1SJ3-35083C-TRSynthia_footprint_library:SAMESKY_SJ3-35083C-TRJ2
1STM32H750ZBT6Synthia_footprint_library:LQFP144_STMU2
1SWCLKTestPoint:TestPoint_Plated_Hole_D2.0mmTP22
1SWDIOTestPoint:TestPoint_Plated_Hole_D2.0mmTP23
1Shield / GroundTestPoint:TestPoint_Plated_Hole_D2.0mmTP16
1SinkTestPoint:TestPoint_Plated_Hole_D2.0mmTP17
1SourceTestPoint:TestPoint_Plated_Hole_D2.0mmTP18
1SpeakerTestPoint:TestPoint_Plated_Hole_D2.0mmTP1
1Speaker GNDTestPoint:TestPoint_Plated_Hole_D2.0mmTP15
1StrumPad Pin #1TestPoint:TestPoint_Plated_Hole_D2.0mmTP10
1StrumPad Pin #2TestPoint:TestPoint_Plated_Hole_D2.0mmTP11
1StrumPad Pin #3TestPoint:TestPoint_Plated_Hole_D2.0mmTP12
1Switch Pin #1TestPoint:TestPoint_Plated_Hole_D2.0mmTP13
1Switch Pin #2TestPoint:TestPoint_Plated_Hole_D2.0mmTP14
1TLV272IPSynthia_footprint_library:DIP794W45P254L959H508Q8U1

Questions

How big is the Synthia PCB?

It measures 281.6 × 255.2 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Synthia use?

236 parts, built around the STM32H750ZBT6, TLV272IP, PVA1 EE H3 1.2N V2 and ATS08A-E. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Synthia KiCad files?

From the Engineering-House/Project-Synthia repository on GitHub, at the commit this page was made from: the board is synthia/synthia.kicad_pcb and its schematic synthia/Button_Matrix_sch.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Synthia design in my own project?

Its repository states no licence, so its author keeps all rights: ask Engineering-House before reusing the design.

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