HardLabs

L0

Luos-io·luos_engine·examples/hardware/l0/l0.kicad_pcb

L0 PCB layout, top view — open source STM32 board by Luos-io
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About the L0 PCB

L0 is an open source STM32 PCB design by Luos-io, published on GitHub under the MIT license. It is a 2-layer board measuring 20.3 × 24.5 mm, with 44 components from 28 distinct parts.

Its main chip is the STM32F072CBU, from the STM32 family. Other key parts include the ST3485ECDR and TPS5401. By type, the board carries 15 resistors, 14 capacitors, 5 connectors, 5 diodes, 3 ICs and 1 transistor.

It belongs with the dev boards & breakouts and iot & wireless designs in this gallery.

From the project

Open-source and real-time orchestrator for cyber-physical-systems, to easily design, test and deploy embedded applications and digital twins.

This folder contains hardwares librairies used by Luos to inspire you to create your own designs: - L0: The base board used by Luos for demonstrastion purpose. - l0-shields: Different shields that can be used directly on the Luos L0 board for added functionality. - STm32f0discoluosshield: a debugging shield equivalent to an L0 for STM32F072B-DISCO dev board. - Breakoutboard: a small add-on board to make any board compatible with Luos L0. - wiringandpower: a set of projects for Luos L0 compatible wires and power input boards. - 00CommonLibraries: a set of Kicad libraries commonly used.

L0, from the project README
From the project README

Main components on the L0

ST3485ECDRSTM32F072CBUTPS5401

L0 bill of materials (BOM)

44 components, 28 distinct parts.

QtyPartRefs
1
ST3485ECDR
U1
1
STM32F072CBU
U2
1
TPS5401
U3
1
BC846BWT1G
Q1
2
DF11-8DP-2DS(24)
J1, J2
1
µUSB_B
J3
2
Header6Contacts
J4, J5
1
NSR0340HT1G
D1
1
SS14FL
D2
1
SMLE13BC8TT86
D3
2
D_Zener
D4, D5
1
4,7µH
L1
5
100nF
C1, C2, C3, C8, C12
4
1µF
C4, C5, C6, C7
1
27pF
C9
1
470pF
C10
1
6.8nF
C11
2
47µF
C13, C14
5
10K
R1, R3, R4, R10, R12
1
510
R2
Show 8 more
QtyPartRefs
1
105K
R5
1
68.1K
R6
1
150K
R7
1
174K
R8
1
31.6K
R9
1
68K
R11
1
82
R13
2
100
R14, R15

L0 design files

The KiCad project lives in the Luos-io/luos_engine repository on GitHub; these links point at the commit this page was built from.

L0: common questions

What microcontroller does the L0 use?

The L0 is built around the STM32F072CBU, from the STM32 family.

How big is the L0 PCB?

The L0 measures 20.3 × 24.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the L0?

44 components, from 28 distinct parts. The full bill of materials is listed on this page.

Where can I download the L0 design files?

From the Luos-io/luos_engine repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the L0 design in my own project?

Yes, under the terms of its MIT license, which Luos-io chose for the repository.

Can I test firmware for the L0 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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