0x0B: 32 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 32 ch Taguchi gas sensor array and breaks out all sensor and control signals to 10 separate headers for plug-in modules.

License terms
The 0x0B 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 200 mm (length). Double-sided. The PCB contains 910 pins/pads.

Rendering and photos

0x0Brev1_rendering

DipTrace 3D rendering without connectors (rev. 0)

0x0B_back

Photo of the PCB backside, terminal connector blocks mounted (rev. 1)

 0x0B_front

Photo of the PCB front side, female header blocks mounted (rev. 1)

0x0b_assembled

 Module plugged into the system backbone  (rev. 1)

Bill of materials

1 pcs. LED, 1206 form factor

1 pcs. resistor, 1206 form factor

1 pcs. DS2401Z

10 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)

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

Estimated cost

Ten 80-pin headers, two 40-pin headers, and eleven screw terminals connectors should not cost more than EUR 20,-.

Downloads

Schematic PDF: 0x0Brev1_schematic

DipTrace v. 2.4 schematic file: 0x0Brev1_schematic

DipTrace v. 2.4 PCB design file: 0x0Brev1_ratlined

Gerber files: 0x0Brev1

Links

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