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2 layers30 × 30 mmHBridge, the printed circuit board in 3D

Matt's work in ECEN5713, Advanced Embedded Software

Size
30 × 30 mm
Copper layers
2
Thickness
1.6 mm
Parts
10
Nets
6
Pads
28
Tracks, vias
45, 1
Pours
1
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
16 Jan 2025
Updated
16 Nov 2025

Overview

HBridge is an open-source printed circuit board by HartnettMatt, from the HartnettMatt/AdvancedEmbeddedSoftware repository on GitHub, published under the MIT licence. It is a 2-layer board of 30 × 30 mm with 10 parts on 6 nets, routed with 45 tracks and 1 via.

It is built around the AO3400A and AO3401A. Its parts include 4 transistors and 2 connectors.

Main components

2

README

README.md

AdvancedEmbeddedSoftware

Matt's work in ECEN5713, Advanced Embedded Software

Parts

10
QtyValueFootprintReferences
4MountingHole_PadMountingHole:MountingHole_3.2mm_M3_DIN965_PadH1, H2, H3, H4
2AO3400ALibrary:AO3401AQ2, Q4
2AO3401Afootprints:AO3400AQ1, Q3
2Conn_01x06_PinConnector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_VerticalJ1, J2

Questions

How big is the HBridge PCB?

It measures 30 × 30 mm and has 2 copper layers, 1.6 mm thick.

What parts does the HBridge use?

10 parts, built around the AO3400A and AO3401A. 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 HBridge KiCad files?

From the HartnettMatt/AdvancedEmbeddedSoftware repository on GitHub, at the commit this page was made from: the board is final-project/hardware/PCB/HBridge.kicad_pcb and its schematic final-project/hardware/PCB/HBridge.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the HBridge design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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