HardLabs

MBO

shanteacontrols·OpenDeck·sch/dubfocus/16t/MBO/MBO.kicad_pcb

MBO PCB layout, top view — open source STM32 board by shanteacontrols
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About the MBO PCB

MBO is an open source STM32 PCB design by shanteacontrols, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 390 × 78.2 mm, with 45 components from 17 distinct parts.

Its main chip is the STM32F405RGTX, from the STM32 family. Other key parts include the MCP1825S and MC14067BDWR2G-SO24W. By type, the board carries 15 capacitors, 4 resistors, 3 ICs, 1 crystal, 1 switch and 1 inductor.

It belongs with the audio, displays & leds and sensors designs in this gallery.

From the project

A platform for building interactive control and sensing devices using MIDI and OSC built with Zephyr RTOS.

OpenDeck is a platform for building interactive control and sensing devices using MIDI and OSC. From USB MIDI DJ controllers and DAW control surfaces to Ethernet-connected OSC nodes, sensor interfaces and media installations, OpenDeck supports a wide range of hardware projects.

Browser-based configuration No firmware development required Hardware-independent - supports multiple MCU families and development boards MIDI and OSC support * Extensible sensor support

MBO, from the project README
From the project README

Main components on the MBO

MCP1825SMC14067BDWR2G-SO24WSTM32F405RGTX

MBO bill of materials (BOM)

45 components, 17 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MCP1825S
U2
1
MC14067BDWR2G-SO24W
U3
1
STM32F405RGTX
STM32F405RGTx
U5
1
8MHZ
8MHz
Y1
1
CONN_01X04
Conn_01x04
CONN1
2
PINHD-1X10-FFC-1MM-Z
CONN2, CONN3
1
CONN_ST_STDC14
Conn_ST_STDC14
CONN4
16
RS6011SP6003
FADER1, FADER2, FADER3, FADER4, FADER5, FADER6, FADER7, FADER8 +8
1
C13828
~
SW1
1
C16903
30R@100MHz
FB1
2
2.2U
2.2u
C1, C9
8
100N
100n
C2, C3, C6, C7, C8, C12, C19, C25
2
18P
18p
C4, C5
2
4.7U
4.7u
C10, C11
1
1u
C23
1
0
R1
3
5.1K
5.1k
R2, R3, R4

MBO design files

The KiCad project lives in the shanteacontrols/OpenDeck repository on GitHub; these links point at the commit this page was built from.

MBO: common questions

What microcontroller does the MBO use?

The MBO is built around the STM32F405RGTX, from the STM32 family.

How big is the MBO PCB?

The MBO measures 390 × 78.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the MBO?

45 components, from 17 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 MBO design files?

From the shanteacontrols/OpenDeck 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 MBO design in my own project?

Yes, under the terms of its Apache-2.0 license, which shanteacontrols chose for the repository.

Can I test firmware for the MBO 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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