LumenPnP Motherboard
opulo-inc·lumenpnp·pnp/pcb/mobo/mobo.kicad_pcb
About the LumenPnP Motherboard PCB
LumenPnP Motherboard is an open source STM32 PCB design by opulo-inc, published on GitHub under the CC-BY-SA-4.0 license. It is a 4-layer board measuring 149 × 95 mm, with 296 components from 66 distinct parts.
Its main chip is the STM32F407VETx, from the STM32 family. Other key parts include the FDS4435BZ, AP1117-33, TMC2226-SA, SRV05-4 and XGZP6857D. By type, the board carries 124 capacitors, 70 resistors, 27 ICs, 26 inductors, 21 connectors and 15 diodes.
From the project
The LumenPnP is an open source pick and place machine.
The LumenPnP is an open source pick and place machine that reliably and accurately assembles electronic components onto circuit boards.
The LumenPnP is available for sale on the Opulo Website. Machines are being used in active production daily. If you build or buy one, please help the project by documenting bugs with a GitHub issue.
Please read the wiki here! The wiki covers information about the state of the project, contributing instructions, and frequently asked questions.

Main components on the LumenPnP Motherboard
LumenPnP Motherboard bill of materials (BOM)
296 components, 66 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | ~ | TSOT-23 | U1, U19, U20, U21 |
| 2 | FDS4435BZ | SO-8_3.9x4.9mm_P1.27mm | U2, U3 |
| 1 | AP1117-33 | SOT-223-3_TabPin2 | U4 |
| 1 | STM32F407VETx | LQFP-100_14x14mm_P0.5mm | U5 |
| 6 | TMC2226-SA | HTSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.75x6.2mm_ThermalVias | U6, U7, U8, U9, U10, U11 |
| 1 | SRV05-4 | SOT-23-6 | U12 |
| 2 | XGZP6857D | DIP-6_W10.16mm | U13, U14 |
| 1 | MAX3078E | SOIC-8_3.9x4.9mm_P1.27mm | U15 |
| 1 | TPS54560BDDA | Texas_R-PDSO-G8_EP2.95x4.9mm_Mask2.4x3.1mm_ThermalVias | U16 |
| 1 | PCA9545A | TSSOP-20_4.4x6.5mm_P0.65mm | U17 |
| 1 | SN74LVC2G34 | SOT-23-6 | U18 |
| 2 | PESD5V2S2UT | SOT-23-3 | U22, U23 |
| 4 | PESD3V3S2UT | SOT-23-3 | U24, U25, U26, U27 |
| 6 | AO3400A | SOT-23 | Q1, Q2, Q3, Q4, Q5, Q6 |
| 1 | 8MHz | Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 4 | FET | JST_PH_B2B-PH-SM4-TB_1x02-1MP_P2.00mm_Vertical | J1, J16, J18, J19 |
| 1 | SWD Header | PinHeader_2x05_P1.27mm_Vertical_SMD | J2 |
| 6 | MOTOR | JST_PH_B4B-PH-SM4-TB_1x04-1MP_P2.00mm_Vertical | J3, J4, J5, J6, J20, J21 |
| 1 | COMBO_POWER_JACK | BarrelJack_Horizontal | J7 |
| 1 | BTM_LIGHT | JST_PH_B3B-PH-SM4-TB_1x03-1MP_P2.00mm_Vertical | J8 |
Show 46 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TOP_LIGHT | JST_PH_B3B-PH-SM4-TB_1x03-1MP_P2.00mm_Vertical | J9 |
| 1 | USB_B | USB_B_Lumberg_2411_02_Horizontal | J10 |
| 1 | XY_LIMIT | JST_PH_B4B-PH-SM4-TB_1x04-1MP_P2.00mm_Vertical | J11 |
| 1 | HOST | JST_PH_B6B-PH-SM4-TB_1x06-1MP_P2.00mm_Vertical | J13 |
| 1 | HACK_HEADER | PinHeader_2x04_P2.54mm_Vertical | J14 |
| 1 | FAN | JST_PH_B2B-PH-SM4-TB_1x02-1MP_P2.00mm_Vertical | J15 |
| 1 | Z_LIMIT | JST_PH_B5B-PH-SM4-TB_1x05-1MP_P2.00mm_Vertical | J17 |
| 1 | FEEDERS | JST_PH_B4B-PH-SM4-TB_1x04-1MP_P2.00mm_Vertical | J22 |
| 1 | Buzzer | MagneticBuzzer_CUI_CMT-8504-100-SMT | BZ1 |
| 1 | Fuse | Fuseholder_Littelfuse_Nano2_154x | F1 |
| 1 | SHIELD_GND | SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP1 |
| 1 | CHIMERA_JUMPER | SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2 |
| 2 | SW_Push | SW_SPST_B3S-1000 | SW1, SW2 |
| 1 | B560C | D_SMC | D1 |
| 2 | BZT52C16 | D_SOD-123 | D2, D3 |
| 3 | Yellow | LED_0805_2012Metric | D4, D5, D6 |
| 6 | SM4007 | D_SOD-123F | D7, D8, D9, D10, D13, D16 |
| 1 | SS34 | D_SMA | D19 |
| 1 | SMF28A | D_SMF | D20 |
| 1 | SM712_SOT23 | SOT-23 | D27 |
| 1 | 7.2u | L_Sunlord_MWSA0603S | L1 |
| 1 | 2.2u | L_Sunlord_MWSA0402S | L2 |
| 24 | L_Ferrite | L_0805_2012Metric | L4, L5, L6, L7, L8, L9, L10, L11 +16 |
| 52 | 100n | C_0805_2012Metric | C1, C6, C16, C17, C23, C26, C27, C28 +44 |
| 1 | 0.1u | C_0805_2012Metric | C2 |
| 19 | 10u | C_0805_2012Metric | C3, C4, C5, C7, C10, C11, C12, C13 +11 |
| 1 | 4.7n | C_0805_2012Metric | C8 |
| 1 | 47p | C_0805_2012Metric | C9 |
| 8 | 100u | CP_Elec_6.3x7.7 | C18, C34, C48, C62, C76, C90, C104, C125 |
| 2 | 10p | C_0805_2012Metric | C19, C21 |
| 4 | 2u2 | C_0805_2012Metric | C20, C22, C24, C25 |
| 6 | 22n | C_0805_2012Metric | C37, C51, C65, C79, C93, C107 |
| 6 | 4.7u | C_0805_2012Metric | C40, C54, C68, C82, C96, C110 |
| 24 | 470p | C_0805_2012Metric | C42, C43, C44, C45, C56, C57, C58, C59 +16 |
| 27 | 10k | R_0805_2012Metric | R1, R3, R6, R7, R11, R12, R13, R14 +19 |
| 4 | 4.7k | R_0805_2012Metric | R2, R5, R15, R16 |
| 2 | 2.7k | R_0805_2012Metric | R4, R9 |
| 4 | 0R | R_0805_2012Metric | R8, R54, R55, R56 |
| 7 | 1k | R_0805_2012Metric | R10, R17, R21, R25, R29, R33, R37 |
| 12 | 120m | R_2512_6332Metric | R19, R20, R23, R24, R27, R28, R31, R32 +4 |
| 5 | 120 | R_0805_2012Metric | R41, R43, R45, R47, R58 |
| 1 | 243k | R_0805_2012Metric | R49 |
| 1 | 53.6k | R_0805_2012Metric | R50 |
| 1 | 16.9k | R_0805_2012Metric | R52 |
| 2 | 120R | R_0805_2012Metric | R53, R71 |
| 4 | 4k7 | R_0805_2012Metric | R61, R62, R64, R65 |
LumenPnP Motherboard design files
The KiCad project lives in the opulo-inc/lumenpnp repository on GitHub; these links point at the commit this page was built from.
LumenPnP Motherboard: common questions
What microcontroller does the LumenPnP Motherboard use?
The LumenPnP Motherboard is built around the STM32F407VETx, from the STM32 family.
How big is the LumenPnP Motherboard PCB?
The LumenPnP Motherboard measures 149 × 95 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the LumenPnP Motherboard?
296 components, from 66 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 LumenPnP Motherboard design files?
From the opulo-inc/lumenpnp 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 LumenPnP Motherboard design in my own project?
Yes, under the terms of its CC-BY-SA-4.0 license, which opulo-inc chose for the repository.
Can I test firmware for the LumenPnP Motherboard without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.
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