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Monorail Steam Reduced

KiserDesigns·Monorail·PCB Sources/Monorail_Steam_Reduced/Monorail_Steam_Reduced.kicad_pcb

Monorail Steam Reduced PCB layout, top view — open source RP2040/RP2350 board by KiserDesigns
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About the Monorail Steam Reduced PCB

Monorail Steam Reduced is an open source RP2040/RP2350 PCB design by KiserDesigns, published on GitHub. It is a 2-layer board measuring 242.9 × 95.3 mm, with 185 components from 58 distinct parts.

Its main chip is the C2040, from the RP2040/RP2350 family. Other key parts include the C85364, C5446 and C97521. By type, the board carries 65 diodes, 28 capacitors, 13 resistors, 9 connectors, 4 ICs and 3 switches.

From the project

Production files may need to be tweaked or re-computed before ordering from a PCB fabricator. Please use at your own risk, there is no guarantee of functionality.

Production files may need to be tweaked or re-computed before ordering from a PCB fabricator. Please use at your own risk, there is no guarantee of functionality.

Feel free to reach out to NoahK (kiserdesigns) on Discord (http://noahk.net) or through the Contact page on https://KiserDesigns.com if you would like help ordering these for yourself.

Main components on the Monorail Steam Reduced

C85364C5446C2040C97521

Monorail Steam Reduced bill of materials (BOM)

185 components, 58 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
C85364
SRV05-4
U1
1
C5446
XC6206PxxxMR
U2
1
C2040
W25Q128JVS
U3
1
C97521
RP2040TR7
U4
1
C9002
Crystal_GND24_Small
Y1
1
C165948
Conn_01x05
J1
1
C165948
Conn_01x09
J2
1
Conn_01x09
J3
1
Conn_01x05
J4
1
C145956
USB_C_Receptacle_USB2.0
J5
1
USB_C_Receptacle_USB2.0
J6
1
Conn_01x04_Female
J7
1
Conn_01x04_Male
J8
1
Conn_01x03_Male
J9
1
C70076
500mA
F1
1
MountingHole_Pad
H1
1
SolderJumper_2_Bridged
JP1
40
C2803348
MX-NoLED
MX1, MX2, MX3, MX4, MX5, MX6, MX8, MX9 +32
2
C2803348
MX-NoLED
MX7, MX42
1
C2803348
MX-NoLED
MX20
Show 38 more
QtyPartRefs
4
C2803348
MX-NoLED
MX30, MX46, MX51, MX55
2
MX-NoLED
MX43, MX54
3
MX-NoLED
MX44, MX45, MX56
2
C2803348
MX-NoLED
MX47, MX50
1
MX-NoLED
MX48
1
C2803348
MX-NoLED
MX49
3
RotaryEncoder_Switch
SW1, SW2, SW3
1
Conn_01x03_Female
SWD1
2
C318884
SW_SPST
SWR1, SWR2
3
C81598
LED
D1, D2, D3
41
C81598
D_Small
D4, D5, D6, D7, D8, D9, D10, D11 +33
7
C81598
WS2812B
D22, D23, D24, D25, D26, D27, D52
1
D_Small
D46
3
WS2812B
D53, D54, D55
2
C965556
WS2812B
D56, D57
8
C965556
D_Small
D58, D59, D60, D61, D62, D63, D64, D65
2
C15525
10u
C1, C2
1
C52923
100n
C3
1
C15525
0.1uF
C4
1
C52923
0.1uF
C5
2
C1570
0.1uF
C6, C27
6
C307331
0.1uF
C7, C23, C24, C25, C26, C28
1
C307331
10u
C8
2
C14663
0.1uF
C9, C10
7
C14663
100n
C11, C12, C15, C16, C17, C18, C20
2
C14663
1u
C13, C14
1
C14663
30p
C19
1
C307331
100n
C21
1
C307331
30p
C22
2
C23186
470
R1, R2
2
C23186
5.1k
R3, R4
1
C25905
470
R5
2
C25092
5.1k
R6, R7
1
-10k
R8
1
C23151
1k
R9
2
C23151
27
R10, R11
1
C11702
5.1k
R12
1
1k
R13

Monorail Steam Reduced design files

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

Monorail Steam Reduced: common questions

What microcontroller does the Monorail Steam Reduced use?

The Monorail Steam Reduced is built around the C2040, from the RP2040/RP2350 family.

How big is the Monorail Steam Reduced PCB?

The Monorail Steam Reduced measures 242.9 × 95.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Monorail Steam Reduced?

185 components, from 58 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 Monorail Steam Reduced design files?

From the KiserDesigns/Monorail 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 Monorail Steam Reduced design in my own project?

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

Can I test firmware for the Monorail Steam Reduced without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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