4 layers106.5 × 91 mm
Robodev power
juleswwebb/portfolio
A static engineering portfolio for https://juleswwebb.github.io/portfolio/.
49 parts
2 layers49 × 39.1 mm
V8-Engine
ShaanJ1/V8-Engine- Size
- 49 × 39.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 38
- Nets
- 21
- Pads
- 80
- Tracks, vias
- 109, 3
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 11 Nov 2025
- Updated
- 2 Jan 2026
Overview
V8-Engine is an open-source printed circuit board by ShaanJ1, from the ShaanJ1/V8-Engine repository on GitHub. It is a 2-layer board of 49 × 39.1 mm with 38 parts on 21 nets, routed with 109 tracks and 3 vias.
It is built around the NE555P, MMBT2222A and SS14, with the IRF9540NS and MBR2045CT among its other parts. Its parts include 11 resistors, 11 connectors, 5 transistors, 4 diodes and 2 capacitors.
Main components
5
NE555P
DIP-80℃~+70℃ 100kHz 10mA 4.5V~16V DIP-8 555 Timers / Counters ROHSTexas InstrumentsTimers / Counters
MMBT2222A
SOT-23-55℃~+150℃ 1 NPN 100 100nA 1V 300MHz 300mW 40V 600mA 6V NPN Standalone SOT-23 Bipolar (BJT) ROHShongjiachengBipolar (BJT)
SS14
SMA(DO-214AC)-55℃~+150℃ 1A 25A 300uA@40V 40V 550mV@1A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky Diodes
IRF9540NS
TO-263MOSFETsMinos
MBR2045CT
TO-220AB-3-50℃~+125℃ 1 Pair Common Cathode 150A 1mA@45V 20A 45V 550mV@10A TO-220AB-3 Schottky Diodes ROHSMDDSchottky Diodes
README
README.mdV8 Engine
A working 3D printed V8 engine powered by a DC motor with controllable speeds up to 1000RPM.
Note:
Make sure to lubricate all moving parts to prevent damage to your 3D print. This project was made assuming that this will be printed in ABS, PETG, or another heat-resistant material. If you are using a material like PLA, note that the friction at high speeds may cause the print to very quicky melt, warp, or damage itself in another way.
Showcase
Coming soon...
Bill of Materials (BOM)
| Item Name | URL | Price | Quantity | Use |
|---|---|---|---|---|
| 3D Printing Filament | Amazon | $105.06 | 3 x 1KG | 3D filament used (ABS) |
| 12V Battery | Amazon | $33.38 | 1 | Power Source |
| DC Motor | AliExpress | $17.89 | 1 | Spinning Engine |
| Silicone Grease | AliExpress | $3.65 | 1 | Lubricant for moving parts |
| Heat Shrink | AliExpress | $3.62 | 1 | For exposed soldered wires |
| PCB | JLCPCB | $4.78 | 1 | Main Controller |
| M3 10mm Set Screws | AliExpress | $2.79 | 1 | Main Assembly + Flywheel Screws |
| M4 6mm Screws | AliExpress | $2.76 | 1 | Motor Mounting Screws |
| M4 16mm Set Screws | AliExpress | $4.69 | 1 | Connecting Rod Screws |
| M8 25mm Screws | AliExpress | $4.07 | 1 | Output Gear Holder |
| 5x8 Shaft Coupler | AliExpress | $6.91 | 1 | Motor to Gear Coupler |
| 608ZZ Bearing | AliExpress | $4.35 | 1 | Spins output gear |
| 18 AWG Wires (2 ft) | DigiKey | $4.00 | 2 ft | Wiring |
| 100µF Electrolytic Capacitor | DigiKey | $0.19 | 1 | Decoupling |
| 0.1µF 0805 Ceramic Capacitor | DigiKey | $0.33 | 1 | Decoupling |
| MBR2045CT | DigiKey | $1.97 | 1 | Motor Flywheeling Diode |
| SS14 | DigiKey | $0.68 | 2 | Diodes |
| Green LED | DigiKey | $0.38 | 1 | ON LED |
| 1206 Fuse 7A 32V | DigiKey | $2.34 | 3 | Circuit Protection |
| 1x2 Terminal Block | DigiKey | $2.20 | 2 | Power Input, Motor Power |
| IRFZ44 | DigiKey | $2.10 | 1 | N Channel MOSFET |
| MMBT2222A | DigiKey | $0.30 | 2 | NPN transistor |
| IRF9540N | DigiKey | $2.89 | 1 | P Channel MOSFET |
| 1K 0402 Resistor | DigiKey | $0.44 | 10 | Resistors |
| 1K 0603 Resistor | DigiKey | $0.11 | 10 | Resistors |
| 4.7K 0402 Resistor | DigiKey | $0.16 | 10 | LED Resistors |
| 10K 0402 Resistor | DigiKey | $0.10 | 10 | Resistors |
| 10K 0603 Resistor | DigiKey | $0.10 | 10 | Resistors |
| NE555P | DigiKey | $0.81 | 1 | 555 Timer for PWM |
| AOD4185 | DigiKey | $1.82 | 1 | Circuit Protection |
| 0805 LED | DigiKey | $0.30 | 1 | Onboard LED |
| 10K Potentiometer | DigiKey | $1.94 | 1 | Speed Adjuster |
| PushButton | DigiKey | $0.32 | 2 | Start/Stop Buttons |
Totals (not including taxes or shipping)
Total (CAD): $217.43
Total (USD): $158.35
Images
Schematic
PCB
Main Assembly
Parts
38| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | Conn_01x01 | Connector_Wire:SolderWire-0.5sqmm_1x01_D0.9mm_OD2.1mm | J1, J5, J6, J9, J10, J11, J12, J13, J14 |
| 4 | 1K | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R1, R2, R5, R7 |
| 3 | 10K | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R6, R8, R11 |
| 3 | MountingHole | MountingHole:MountingHole_2.7mm_M2.5 | H1, H2, H3 |
| 2 | MMBT2222A | Package_TO_SOT_SMD:SOT-23 | Q2, Q5 |
| 2 | SS14 | Diode_SMD:D_SMA_Handsoldering | D2, D3 |
| 2 | Screw_Terminal_01x02 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2-5.08_1x02_P5.08mm_Horizontal | J2, J3 |
| 1 | 100nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4 |
| 1 | 100uF | Capacitor_THT:C_Radial_D6.3mm_H11.0mm_P2.50mm | C1 |
| 1 | 10K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R12 |
| 1 | 1K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4 |
| 1 | 4.7K | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R3 |
| 1 | 4.7k | Resistor_SMD:R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R10 |
| 1 | Fuse | Fuse:Fuse_1206_3216Metric_Pad1.42x1.75mm_HandSolder | F1 |
| 1 | IRF9540N | Package_TO_SOT_THT:TO-220-3_Vertical | Q4 |
| 1 | LED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D4 |
| 1 | MBR2045CT | Package_TO_SOT_THT:TO-220-3_Vertical | D1 |
| 1 | NE555P | Package_DIP:DIP-8_W7.62mm | U1 |
| 1 | Q_NMOS_GDS | Package_TO_SOT_THT:TO-220-3_Vertical | Q1 |
| 1 | Q_PMOS_GDS | Package_TO_SOT_SMD:TO-252-2 | Q3 |
Questions
How big is the V8-Engine PCB?
It measures 49 × 39.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the V8-Engine use?
38 parts, built around the NE555P, MMBT2222A, SS14 and IRF9540NS. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the V8-Engine KiCad files?
From the ShaanJ1/V8-Engine repository on GitHub, at the commit this page was made from: the board is PCB/v8engine/v8engine.kicad_pcb and its schematic PCB/v8engine/v8engine.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the V8-Engine design in my own project?
Its repository states no licence, so its author keeps all rights: ask ShaanJ1 before reusing the design.
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