Slushengine modelx
Roboteurs·slushengine-modelx·hardware/slushengine_modelx.kicad_pcb
About the Slushengine modelx PCB
Slushengine modelx is an open source Raspberry Pi PCB design by Roboteurs, published on GitHub under the Custom license license. It is a 2-layer board measuring 261 × 100 mm, with 205 components from 61 distinct parts.
Its main chip is the Raspberry_Pi_+_Conn, from the Raspberry Pi family. Other key parts include the CAT24C32HU4I-GT3, LM3489, FDC5614P, LM1117IMPX-ADJ and MCP23017. By type, the board carries 74 capacitors, 47 resistors, 45 connectors, 20 diodes, 11 ICs and 5 transistors.
It belongs with the robotics & motion and sensors designs in this gallery.
From the project
Slushengine model x hardware
This repository contains the hardware design files for the SlusheEngine. The current design is created on Kicad (BZR 5744). If you wish to contribute to the SlusheEngine project please contact Reiner at info at roboteurs dot com.
If you want to get going on your own project using the SlushEngine please fork it and have fun!
- Max VPP Voltage: 35VDC - Max Current: 32A - No Load Current: unkown - Max SPI bus Frequency: 5Mhz - Max Tempratre at L6470L unkown

Main components on the Slushengine modelx
Slushengine modelx bill of materials (BOM)
205 components, 61 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CAT24C32HU4I-GT3 | tssop-8 | U1001 |
| 1 | LM3489 | msoic-8 | U1002 |
| 1 | FDC5614P | sot23-6 | U1003 |
| 1 | LM1117IMPX-ADJ | sot223 | U1004 |
| 1 | MCP23017 | ssop-28 | U1005 |
| 1 | MAX1164x | msoic-8 | U1006 |
| 4 | L6470 | POWERSO-36 | U2001, U12001, U13001, U14001 |
| 1 | DMMT5401 | sot23-6 | U11001 |
| 4 | BCP51 | sot223 | Q3001, Q8001, Q9001, Q10001 |
| 1 | DMG2305 | sot23 | Q11001 |
| 1 | UEXT1 | vasch_strip_5x2 | J1001 |
| 4 | Stepper Motor | SureStep_CONN | J2001, J12001, J13001, J14001 |
| 2 | CONN_01X02 | pin_strip_2 | P1001, P1002 |
| 1 | Raspberry_Pi_+_Conn | vasch_strip_20x2 | P1003 |
| 1 | CONN_01X06 | pin_strip_6 | P1004 |
| 2 | CONN_01X08 | pin_strip_8 | P1005, P1006 |
| 25 | TST | Measurement_Point_Round-SMD-Pad_Small | P1007, P1008, P1009, P1010, P1011, P1012, P1013, P1014 +17 |
| 3 | CONN_01X06 | mkds_1,5-6 | P1032, P1033, P1034 |
| 1 | CONN_01X03 | mkds_1,5-3 | P1035 |
| 1 | CONN_01X02 | mkds_1,5-2 | P1036 |
Show 41 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | CONN_01X04 | mkds_1,5-4 | P2001, P12001, P13001, P14001 |
| 1 | 2A | r_1206 | F1001 |
| 1 | JUMPER | r_0603 | JP1001 |
| 1 | DIODESCH | do214aa | D1001 |
| 1 | ZENER | sod80c | D1002 |
| 1 | 3.3V | sod523 | D1003 |
| 1 | LED | Led_0603 | D1004 |
| 4 | Busy | Led_0603 | D2002, D12002, D13002, D14002 |
| 4 | DOUBLE_SCHOTTKY | sot23 | D2003, D12003, D13003, D14003 |
| 4 | RSX501L-20TE25 | do219ab | D3001, D8001, D9001, D10001 |
| 4 | 1SS295 | sot23 | D4001, D5001, D6001, D7001 |
| 1 | 22uH | inductor_smd_8x5mm | L1001 |
| 44 | 0.1uf | c_0402 | C101, C1002, C1005, C1009, C2001, C2002, C2003, C2005 +36 |
| 1 | 50uf/50v | c_elec_6.3x7.7 | C1001 |
| 5 | 1nf | c_0402 | C1004, C4001, C5001, C6001, C7001 |
| 1 | 100uf/10v | c_elec_6.3x7.7 | C1006 |
| 2 | 10uf/6.3V | c_elec_4x5.3 | C1007, C1010 |
| 1 | 33nF | c_0402 | C1008 |
| 4 | 10uF | c_0805 | C2004, C12004, C13004, C14004 |
| 4 | 47uF | c_0805 | C2007, C12007, C13007, C14007 |
| 4 | 220nF | c_0402 | C2008, C12008, C13008, C14008 |
| 4 | 10nF | c_0402 | C2009, C12009, C13009, C14009 |
| 4 | 100uF | CP_12.5x25mm | C2014, C12014, C13014, C14014 |
| 1 | 1k | r_0402 | R1001 |
| 1 | 24k | r_0402 | R1002 |
| 4 | 3.9k | r_0402 | R1003, R1004, R1016, R1017 |
| 1 | 270 | r_0805 | R1005 |
| 1 | 30k | r_0603 | R1006 |
| 1 | 10k | r_0603 | R1007 |
| 1 | 390 | r_0402 | R1008 |
| 5 | 3.3k | r_0402 | R1009, R4001, R5001, R6001, R7001 |
| 1 | 22k | 25PR20KLF | R1010 |
| 1 | 820 | r_0402 | R1011 |
| 1 | 240 | r_0402 | R1012 |
| 1 | 316 | r_0402 | R1013 |
| 2 | 51k | r_0402 | R1014, R1015 |
| 12 | 39k | r_0402 | R2002, R2004, R2005, R12002, R12004, R12005, R13002, R13004 +4 |
| 4 | 220 | r_0402 | R2003, R12003, R13003, R14003 |
| 5 | 10k | r_0402 | R2006, R11001, R12006, R13006, R14006 |
| 4 | 470 | r_0402 | R3001, R8001, R9001, R10001 |
| 1 | 47k | r_0402 | R11002 |
Slushengine modelx design files
The KiCad project lives in the Roboteurs/slushengine-modelx repository on GitHub; these links point at the commit this page was built from.
Slushengine modelx: common questions
What microcontroller does the Slushengine modelx use?
The Slushengine modelx is built around the Raspberry_Pi_+_Conn, from the Raspberry Pi family.
How big is the Slushengine modelx PCB?
The Slushengine modelx measures 261 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Slushengine modelx?
205 components, from 61 distinct parts. The full bill of materials is listed on this page.
Where can I download the Slushengine modelx design files?
From the Roboteurs/slushengine-modelx repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Slushengine modelx design in my own project?
It is published under Custom license, which limits how it may be reused; read the license before building on it.
Can I test firmware for the Slushengine modelx without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Raspberry Pi firmware against it before you order a PCB.
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