HardLabs

Xing Signals XIAO

buelowp·rrcrossing·eda/monitor/Xing Signals XIAO.kicad_pcb

Xing Signals XIAO PCB layout, top view — open source board by buelowp

About the Xing Signals XIAO PCB

Xing Signals XIAO is an open source PCB design by buelowp, published on GitHub. It is a 2-layer board measuring 60.3 × 49.5 mm, with 40 components from 15 distinct parts.

Other key parts include the MOUDLE-SEEEDUINO-XIAO and L78M05ABDT-TR. By type, the board carries 18 resistors, 8 diodes, 7 transistors, 2 ICs, 2 connectors and 2 capacitors.

It belongs with the sensors designs in this gallery.

From the project

RP2040 RR Crossing signal controller

Xing Signals XIAO, from the project README
From the project README

Main components on the Xing Signals XIAO

MOUDLE-SEEEDUINO-XIAOL78M05ABDT-TR

Xing Signals XIAO bill of materials (BOM)

40 components, 15 distinct parts.

QtyPartRefs
1
MOUDLE-SEEEDUINO-XIAO
U1
1
L78M05ABDT-TR
STMicroelectronics
U2
7
MMBT2222A
hongjiacheng
Q1, Q2, Q3, Q4, Q5, Q6, Q7
1
DET DBG
J1
1
Power In
J2
1
DB107S
MDD（Microdiode Electronics）
DB1
5
Yellow
Everlight Elec
D1, D2, D3, D4, D5
2
Red
Hubei KENTO Elec
D6, D7
1
RB160M-30
hongjiacheng
D8
1
330nF
FH(Guangdong Fenghua Advanced Tech)
C2
1
100nF
YAGEO
C4
8
220Ω
UNI-ROYAL(Uniroyal Elec)
R1, R11, R12, R13, R15, R16, R17, R18
1
1kΩ
UNI-ROYAL(Uniroyal Elec)
R2
8
1kΩ
UNI-ROYAL(Uniroyal Elec)
R3, R6, R7, R8, R9, R14, R19, R20
1
120Ω
UNI-ROYAL(Uniroyal Elec)
R10

Xing Signals XIAO design files

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

Xing Signals XIAO: common questions

How big is the Xing Signals XIAO PCB?

The Xing Signals XIAO measures 60.3 × 49.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Xing Signals XIAO?

40 components, from 15 distinct parts. The full bill of materials is listed on this page.

Where can I download the Xing Signals XIAO design files?

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

Can I use the Xing Signals XIAO design in my own project?

The repository has no license, so all rights stay with buelowp. Use it as a reference, and ask the author before reusing the design.

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