Sarwan1494/Sarwan1494.github.ioPlain HTML / CSS / JS, no build step, no framework, no dependencies except KiCanvas (loaded from kicanvas.org via on the project pages) for the in-browser KiCad viewer.
Nema 17 stepper driver is an open-source printed circuit board by Sarwan1494, from the Sarwan1494/Sarwan1494.github.io repository on GitHub. It is a 4-layer board of 42 × 42 mm with 75 parts on 76 nets, routed with 667 tracks and 176 vias.
It is built around the STM32F103CBT6, TJA1051T/3/1 and AS5048A-HTSP, with the DRV8844PWPR, TPS54202DDC and AMS1117 among its other parts. Its parts include 27 capacitors, 11 resistors, 10 connectors, 8 ICs and 5 diodes. It belongs with the robots and motor control boards and the STM32 boards of this library.
Plain HTML / CSS / JS, no build step, no framework, no dependencies except
KiCanvas (loaded from kicanvas.org via <script type="module"> on the
project pages) for the in-browser KiCad viewer.
portfolio/
├── index.html # home page (about, project grid, contact)
├── projects/
│ ├── so101-robot-arm.html # ROS 2 / MoveIt 2 project (webm video)
│ ├── mars-rover.html # Ackermann rover, Arduino + ROS 2 (webm video, inline SVG diagrams)
│ ├── vacuum-robot-simscape.html # master's thesis, Simscape vacuum robot model (3 webm videos)
│ ├── nema17-stepper-driver.html # project detail + KiCanvas embed
│ ├── cylinder-assembly.html # CAD animation (webm video)
│ ├── delta-robot.html # CAD animation (webm video)
│ ├── two-wheel-robot.html # wiring schematic (png)
│ └── inverted-pendulum.html # CAD animation (webm video)
├── assets/
│ ├── css/style.css
│ ├── js/main.js # theme toggle + viewer tab logic
│ ├── img/ # renders / screenshots / video posters
│ ├── video/ # project animations (.webm)
│ └── kicad/ # .kicad_sch / .kicad_pcb / .kicad_pro served as static files
└── downloads/ # schematic PDF, gerbers, interactive BOM, STEP modelKiCanvas fetches the .kicad_sch / .kicad_pcb files over fetch(), which
browsers block on file://. Serve the folder over HTTP instead:
cd portfolio
python3 -m http.server 8000
# open http://localhost:8000projects/nema17-stepper-driver.html as a starting point.assets/img/, KiCad source in assets/kicad/,
downloadables in downloads/..projects-grid in index.html.index.html (#contact).downloads/nema17-3d-model.step is ~16 MB. Most static hosts (GitHub
Pages, Netlify, Vercel) are fine with that per file, but if you're using
git, consider Git LFS or dropping the STEP download if repo size matters.| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 100nF | Capacitor_SMD:C_0402_1005Metric | C1, C3, C7, C8, C14, C23, C25, C26 |
| 5 | 10uF | Capacitor_SMD:C_0805_2012Metric | C2, C4, C20, C24, C29 |
| 4 | 22uF | Capacitor_SMD:C_0805_2012Metric | C10, C11, C17, C18 |
| 4 | Conn_01x01_Pin | TestPoint:TestPoint_Keystone_5019_Minature | J10, J11, J12, J13 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3_ISO7380_Pad | H1, H2, H3, H4 |
| 3 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C5, C6, C9 |
| 2 | 0.01uF | Capacitor_SMD:C_0402_1005Metric | C27, C28 |
| 2 | 10pF | Capacitor_SMD:C_0402_1005Metric | C15, C16 |
| 2 | 1uF | Capacitor_SMD:C_0402_1005Metric | C13, C22 |
| 2 | 200m | Resistor_SMD:R_1206_3216Metric | R5, R7 |
| 2 | Conn_01x02_Pin | Connector_Molex:Molex_PicoBlade_53048-0210_1x02_P1.25mm_Horizontal | J6, J7 |
| 2 | INA181 | Package_TO_SOT_SMD:SOT-23-6 | U4, U8 |
| 1 | 100k | Resistor_SMD:R_0603_1608Metric | R11 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | 10n | Capacitor_SMD:C_0402_1005Metric | C12 |
| 1 | 120 | Resistor_SMD:R_0603_1608Metric | R2 |
| 1 | 120R | Inductor_SMD:L_0603_1608Metric | FB1 |
| 1 | 13.3k | Resistor_SMD:R_0603_1608Metric | R12 |
| 1 | 15uH | Inductor_SMD:L_0603_1608Metric | L1 |
| 1 | 16MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | 1k5 | Resistor_SMD:R_0603_1608Metric | R3 |
| 1 | 1k5 | Resistor_SMD:R_0402_1005Metric | R4 |
| 1 | 49.9 | Resistor_SMD:R_0603_1608Metric | R13 |
| 1 | 510k | Resistor_SMD:R_0603_1608Metric | R9 |
| 1 | 82k | Resistor_SMD:R_0603_1608Metric | R10 |
| 1 | A+ | TestPoint:TestPoint_Pad_D1.0mm | TP1 |
| 1 | A- | TestPoint:TestPoint_Pad_D1.0mm | TP2 |
| 1 | AMS1117 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U3 |
| 1 | AS5048A-HTSP | AS5048A-HTSP:SOP65P640X120-14N | U6 |
| 1 | B+ | TestPoint:TestPoint_Pad_D1.0mm | TP3 |
| 1 | B- | TestPoint:TestPoint_Pad_D1.0mm | TP4 |
| 1 | Boot | Button_Switch_SMD:SW_SPST_B3U-1100P | Boot1 |
| 1 | Conn_01x02_Pin | Jumper:SolderJumper-2_P1.3mm_Open_TrianglePad1.0x1.5mm | J3 |
| 1 | Conn_01x04_Pin | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J4 |
| 1 | DRV8844PWPR | DRV8844PWPR:IC_DRV8844PWPR | U9 |
| 1 | ESD5Zxx | Diode_SMD:D_SOD-523 | D2 |
| 1 | LED | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | PMEG6020AELR | Diode_SMD:Nexperia_CFP3_SOD-123W | D3 |
| 1 | PRTR5V0U2X | Package_TO_SOT_SMD:SOT-143 | D4 |
| 1 | Polyfuse_Small | MF-MSMF050-2:FUSM4632X85 | F2 |
| 1 | Reset | Button_Switch_SMD:SW_SPST_B3U-1100P | Reset1 |
| 1 | SMBJ26A | SMBJ26A:DIOM4336X265N | D6 |
| 1 | STM32F103CBT6 | Package_QFP:LQFP-48_7x7mm_P0.5mm | U1 |
| 1 | Stepper motor | Connector_Molex:Molex_PicoBlade_53048-0410_1x04_P1.25mm_Horizontal | J5 |
| 1 | TJA1051T-3 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | TPS54202DDC | Package_TO_SOT_SMD:SOT-23-6 | U5 |
| 1 | USB_B_Micro | Connector_USB:USB_Micro-B_Wuerth_629105150521 | J1 |
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A FOC motor drive compatible with VESC
It measures 42 × 42 mm and has 4 copper layers, 1.6 mm thick.
75 parts, built around the STM32F103CBT6, TJA1051T/3/1, AS5048A-HTSP and DRV8844PWPR. 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.
From the Sarwan1494/Sarwan1494.github.io repository on GitHub, at the commit this page was made from: the board is assets/kicad/Nema_17_stepper_driver.kicad_pcb and its schematic assets/kicad/Nema_17_stepper_driver.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask Sarwan1494 before reusing the design.