HardLabs

Centrale

mbouyer·weatherstation·hardware/centrale/centrale.kicad_pcb

Centrale PCB layout, top view — open source board by mbouyer

About the Centrale PCB

Centrale is an open source PCB design by mbouyer, published on GitHub under the BSD-2-Clause license. It is a 2-layer board measuring 70 × 110 mm, with 38 components from 29 distinct parts.

Other key parts include the MCP7940N-xSN, TPS54228 and TLE9250V. By type, the board carries 16 capacitors, 6 resistors, 5 connectors, 3 ICs, 1 transistor and 1 crystal.

From the project

A home weather station with internet connectivity

Main components on the Centrale

MCP7940N-xSNTPS54228TLE9250V

Centrale bill of materials (BOM)

38 components, 29 distinct parts.

QtyPartRefs
1
MCP7940N-xSN
U1
1
TPS54228
U2
1
TLE9250V
U3
1
BSS123
Q1
1
32.768Khz
Y1
1
MDCOG240128B6W
J1
1
Conn_BME280
J2
1
CONN_BME280_2
J3
1
RJ45
J4
1
Term_sel
J5
1
5V_LIME2
+5V1
1
CR2032
BT1
2
FL40YA-V36P-2X20-LF
GPIO-1, GPIO-3
1
SMBJ16A
D1
1
4.7µH
L1
3
10pF
C1, C2, C12
1
6.8nF
C3
1
1µF6.3v
C4
2
100nF6.3V
C5, C11
1
1uF25V
C6
Show 9 more
QtyPartRefs
1
10µF25V
C7
3
1uF16V
C8, C9, C10
2
22µF6.3V
C13, C14
2
100nF
C15, C16
2
10K
R1, R3
1
4K7
R2
1
56K
R4
1
47K
R5
1
100
R6

Centrale design files

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

Centrale: common questions

How big is the Centrale PCB?

The Centrale measures 70 × 110 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Centrale?

38 components, from 29 distinct parts. The full bill of materials is listed on this page.

Where can I download the Centrale design files?

From the mbouyer/weatherstation repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Centrale design in my own project?

Yes, under the terms of its BSD-2-Clause license, which mbouyer chose for the repository.

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