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SMCSKart-Mainboard

PHS-SMCS·SMCSKart-Mainboard

SMCSKart-Mainboard PCB layout, top view — open source NXP board by PHS-SMCS

About the SMCSKart-Mainboard PCB

SMCSKart-Mainboard is an open source NXP PCB design by PHS-SMCS, published on GitHub. It is a 4-layer board measuring 128.3 × 94 mm, with 64 components from 28 distinct parts.

Its main chip is the TEENSY4.1, from the NXP family. Other key parts include the URB4805LD-30WR3_C20199272, HB9500M-9_5-2P and MCP2562-E-P. By type, the board carries 20 resistors, 16 capacitors, 9 connectors, 8 transistors and 4 ICs.

It belongs with the robotics & motion, sensors and rf & radio designs in this gallery.

From the project

Documentation for the SMCSKart PCB

Custom PCB integrating every system in the SMCS Robotics 8th period go-kart. The board acts as the central hub between a Raspberry Pi 4, a Teensy 4.1, all motor controller I/O, sensors, and peripherals.

The board supplies three voltage rails available on the extra power port:

All toggle output pins drive an IRLZ44N MOSFET with a pulldown resistor, providing an active-low ground signal to the ESC connector.

SMCSKart-Mainboard, from the project README
From the project README

Main components on the SMCSKart-Mainboard

TEENSY4.1URB4805LD-30WR3_C20199272HB9500M-9_5-2PMCP2562-E-P

SMCSKart-Mainboard bill of materials (BOM)

64 components, 28 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
TEENSY4.1
Teensy4.1
U1
1
URB4805LD-30WR3_C20199272
U2
1
HB9500M-9_5-2P
U3
1
MCP2562-E-P
U5
8
IRLZ44N
Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8
1
RASPBERRY_PI_4
Raspberry_Pi_4
J1
1
Core
J2
1
MCP4275_BREAKOUT
MCP4275_Breakout
J3
1
0430450400
J4
1
C7541613
TRANCIEVER
J5
1
C7541613
RGB_LED
J6
1
C7541613
CAMERA
J7
1
C7541613
POWER
J8
1
MPU-6050_BREAKOUT
MPU-6050_Breakout
J9
3
ZX-MX3_0-2-3PWZ
CANBUS1, CANBUS2, CANBUS3
1
HR913550A
RJ1
1
R_Potentiometer
RV1
1
~
SPARKFUN-GPS-1
1
USB-302
USB1
9
100NF
100nF
C1, C3, C4, C5, C8, C10, C11, C14 +1
Show 8 more
QtyPartRefs
1
100PF
100pF
C2
1
4700PF
4700pF
C6
4
100UF
100uF
C7, C9, C12, C13
1
470UF
470uF
C15
8
10kΩ
R1, R5, R8, R9, R13, R15, R17, R19
9
220Ω
R2, R4, R6, R7, R12, R14, R16, R18 +1
1
1kΩ
R3
2
120Ω
R10, R11

SMCSKart-Mainboard design files

The KiCad project lives in the PHS-SMCS/SMCSKart-Mainboard repository on GitHub; these links point at the commit this page was built from.

SMCSKart-Mainboard: common questions

What microcontroller does the SMCSKart-Mainboard use?

The SMCSKart-Mainboard is built around the TEENSY4.1, from the NXP family.

How big is the SMCSKart-Mainboard PCB?

The SMCSKart-Mainboard measures 128.3 × 94 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the SMCSKart-Mainboard?

64 components, from 28 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 SMCSKart-Mainboard design files?

From the PHS-SMCS/SMCSKart-Mainboard 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 SMCSKart-Mainboard design in my own project?

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

Can I test firmware for the SMCSKart-Mainboard without the hardware?

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

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