STEPPER MOTOR CONTROLLER

laforestlabs·KiCraft·tuning_corpus/stepper-a4988/STEPPER_MOTOR_CONTROLLER.kicad_pcb

STEPPER MOTOR CONTROLLER PCB layout, top view — open source board by laforestlabs

About the STEPPER MOTOR CONTROLLER PCB

STEPPER MOTOR CONTROLLER is an open source PCB design by laforestlabs, published on GitHub. It is a 2-layer board measuring 127.7 × 82.3 mm, with 25 components from 15 distinct parts.

Other key parts include the 78M05 and A4988. By type, the board carries 10 capacitors, 8 resistors, 3 connectors, 2 ICs, 1 switch and 1 diode.

It belongs with the robotics & motion designs in this gallery.

From the project

KiCad PCB automation toolkit — placement, routing, scoring, and experiment management

KiCad PCB automation toolkit — automated placement, routing, scoring, and experiment management for KiCad projects via the pcbnew Python API.

KiCraft is a multi-layer pipeline. Top-down:

1. KiCraft (Claude Code skill + Python helpers) -- turns a natural- language project description into the hierarchical KiCad 9 file set (root + leaf .kicadsch, .kicadpro, autoplacer.json). The LLM- driven stages (intent / functionalspec / architecture / bom) run as a Claude Code skill at .claude/skills/kicraft/, so a Claude Code subscription pays for inference and no API key is required. The deterministic…

Main components on the STEPPER MOTOR CONTROLLER

STEPPER MOTOR CONTROLLER bill of materials (BOM)

25 components, 15 distinct parts.

Qty	Part	Footprint	Refs
1	78M05	TO-252-2_L6.6-W6.1-P4.57-LS9.9-BR-CW	U1
1	A4988	WQFN-28_L5.0-W5.0-P0.50-BL-EP3.2	U2
1	12V Screw Terminal	CONN-TH_WJ126V-5.0-2P	J1
1	Control Header	PinHeader_1x04_P2.54mm_Vertical	J2
1	Motor Connector	PinHeader_1x04_P2.54mm_Vertical	J3
1	3-pos DIP Switch	SW-SMD_6P-L5.4-W5.4-P1.27-LS8.4	S1
1	SS14	SMA_L4.3-W2.6-LS5.0-RD	D1
2	10uF	C_0805_2012Metric	C1, C6
4	0.1uF	C_0805_2012Metric	C2, C4, C5, C7
1	0.33uF	C_0805_2012Metric	C3
2	100nF	C_0805_2012Metric	C8, C10
1	0.22uF	C_0805_2012Metric	C9
5	10k	R_0805_2012Metric	R1, R2, R6, R7, R8
1	100k	R_0805_2012Metric	R3
2	0.2Î©	R_0805_2012Metric	R4, R5

STEPPER MOTOR CONTROLLER design files

The KiCad project lives in the laforestlabs/KiCraft repository on GitHub; these links point at the commit this page was built from.

STEPPER MOTOR CONTROLLER: common questions

How big is the STEPPER MOTOR CONTROLLER PCB?

The STEPPER MOTOR CONTROLLER measures 127.7 × 82.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the STEPPER MOTOR CONTROLLER?

25 components, from 15 distinct parts. The full bill of materials is listed on this page.

Where can I download the STEPPER MOTOR CONTROLLER design files?

From the laforestlabs/KiCraft repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the STEPPER MOTOR CONTROLLER design in my own project?

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

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