Stepper switch
About the Stepper switch PCB
Stepper switch is an open source PCB design by sl1pkn07, published on GitHub. It is a 2-layer board measuring 28 × 50 mm, with 23 components from 18 distinct parts.
By type, the board carries 7 resistors, 6 connectors, 3 diodes, 2 transistors and 2 capacitors.
It belongs with the robotics & motion designs in this gallery.
From the project
My Prusas. Official STLs for my Prusas printers. and other stuff
Stepper switch bill of materials (BOM)
23 components, 18 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MMBF170LT1G TI | SOT-23 | Q1 |
| 1 | NCV8402 MMBF170LT1G On Semi | SOT-23 | Q2 |
| 1 | HDR10 MOLEX 70543-0004 On Shore | Pin_1x05-XL | P1 |
| 2 | HDR10 MOLEX 70543-0003 On Shore | Pin_1x04-XL | P2, P3 |
| 3 | MOLEX 70543-0003 | Pin_1x04-XL | P4, P5, P6 |
| 3 | Realy-AZ850 | Rel_TE_CONNECTIVITY_1-1462038-3 | RL1, RL2, RL3 |
| 1 | BAT54 LED Diodes Incorporated | LED_0805 | D1 |
| 1 | SMAJ28A LED Diodes Inc | LED_0805 | D2 |
| 1 | 1N4148WT LED Fairchild | LED_0805 | D3 |
| 1 | 22PF 10u AVX | C_0805 | C1 |
| 1 | 10UF 100n Kemet | C_0805 | C2 |
| 1 | 22R 470R Yageo | R_0805 | R1 |
| 1 | 22R 68R Yageo | R_0805 | R2 |
| 1 | 200K 10k Vishay Dale | R_0805 | R3 |
| 1 | 10R 470R Yageo | R_0805 | R4 |
| 1 | 4.7K 68R Yageo | R_0805 | R5 |
| 1 | 2K37 10k Yageo | R_0805 | R6 |
| 1 | 0.22R 470R Panasonic | R_0805 | R7 |
Stepper switch design files
The KiCad project lives in the sl1pkn07/Prusa repository on GitHub; these links point at the commit this page was built from.
Stepper switch: common questions
How big is the Stepper switch PCB?
The Stepper switch measures 28 × 50 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Stepper switch?
23 components, from 18 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 Stepper switch design files?
From the sl1pkn07/Prusa repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Stepper switch design in my own project?
The repository has no license, so all rights stay with sl1pkn07. Use it as a reference, and ask the author before reusing the design.
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