0x07: 16 ch Taguchi array system backbone

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Background

Please see the e-nose project page for an elaborate description as well as practical examples.

Function

This PCB connects to a 16 ch Taguchi gas sensor array and breaks out all sensor and control signals to 5 separate headers for plug-in modules.

License terms
The 0x07 design is published under the Creative Commons Unported 3.0 License.  I do not profit from this design, neither should you. You are welcome to adapt, modify, and redistribute this design as long as the license terms are respected.

Physical size of PCB

100 mm (width) by 100 mm (height). Double-sided. The PCB contains 463 pins/pads.

Rendering and photos

0x07_rendering_frontDipTrace 3D rendering without connectors (rev. 0)

0x07_back

Photo of the PCB backside, terminal connector blocks mounted (rev. 0)

 

0x07_front

Photo of the PCB front side, female header blocks mounted (rev. 0)

0x07_assembled_enose

 Assembled e-nose with two modules plugged into the system backbone  (rev. 0)

Bill of materials

1 pcs. LED, 1206 form factor

1 pcs. resistor, 1206 form factor

1 pcs. DS2401Z

5 pcs. 80-pin (40 pins, double row) 2.00 mm pitch headers (female)

2 pcs. 40-pin (40 pins, single row) 2.00 mm pitch headers (female)

1 pcs. 2-pin terminal screw connector 5.08 mm pitch

1 pcs. 2-pin terminal screw connector 2.54 mm pitch (optional)

1 pcs. 3-pin terminal screw connector 2.54 mm pitch (optional)

1 pcs. 4-pin terminal screw connector 2.54 mm pitch (optional)

Estimated cost

Five 80-pin headers, two 20-pin headers, and four screw terminal connectors should not cost more than EUR 8,-.

Downloads

Schematic PDF: 0x07_schematic

DipTrace v. 2.4 schematic file: 0x07_schematic

DipTrace v. 2.4 PCB design file: 0x07_ratlined

Gerber files: 0x07_Gerber

Links

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