[Custom Part] Mini L298N / MX1508 H-Bridge Module (Breadboard + PCB + Schematic)

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Hi everyone,

I’ve created a custom part for a Mini L298N / MX1508 dual H-bridge module, and I’m sharing it here as open source.

This is my first full part, including all views:

  • Breadboard (based on real module image)
  • PCB (with copper0 and copper1)
  • Schematic
  • Metadata and connectors fully mapped

Features

  • Custom SVG created in Inkscape
  • Invisible connectors (fill-opacity="0.01") aligned manually
  • PCB pads defined using:
    • <g id="copper1">
    • <g id="copper0">
  • Non-sequential connector mapping (VCC is connector11)
  • Correct scaling using inches (width/height)
  • Cleaned canvas (no extra margins)

Pin mapping

1 → IN1
2 → IN2
3 → IN3
4 → IN4
5 → GND
6 → MA+
7 → MA-
8 → MB+
9 → MB-
11 → VCC

PCB snippet (example)

Notes

  • The visual is based on a real module, not a simplified symbol
  • The IC is currently part of the image — I’m considering replacing it with a clean SVG version
  • Spacing was adjusted manually (may refine to exact 2.54mm grid later)

Feedback I’m looking for

  • Best practices for PCB spacing (grid alignment vs visual accuracy)
  • Whether skipping connector IDs (like connector10) is acceptable
  • Suggestions for improving schematic clarity
  • General Fritzing conventions I might be missing
    Mini L298N H-Bridge.fzpz (130.1 KB)
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