Dallas 1-Wire/Serial 1-64 GPIO Expander

Wesley Phillips
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This Project creates a 64 GPIO expander board. You can use either serial comms(TX, RX), or the 1-wire bus(1-Wire) if you are short on pins.
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Open Web Foundation Contributor License Agreement 1.0 / OWF-CLA 1.0

Published: October 1, 2018 Complete

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Design Files

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Component (7)
Qty
Description
Resistor

R2

1
Generic Resistor (62)
DS9503P+

D1

1
ESD Protection Diode with Resistors
Resistor

R1

1
Generic Resistor (2.2k)
FCP1210H123J-G1

C1

1
12 nF Capacitor

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Export Design Data

Open JSON Format
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Gerber Format (RS-274X extended)
CAD to CAM transfer instructions (more info)
NC Drill (Excellon)
NC drill and route machine instructions (more info)
XYRS
X-Y, rotation and side data for Pick and Place assembly (CSV)
PADS Layout Netlist
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Dimension Drawing
Export the board outline, holes, and rulers
High-Res Schematic PNG
High resolution image form
3D Model (Step)
3D model of the board and components

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