I2C-8574-cTc

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I2C PCF8574-based IO Expander cTc Wiring Harness

 

 

I2C-8574-cTc Version 3.0

First built: 2015-03

Not tested or validated

Simple PCBs to help with taming the wiring ratsnest found behind a CTC machine’s panels.

Schematic
Schematic
Bot Silk
Bot Silk
Board
Board
Top Silk
Top Silk

Download I2C-8574-cTc.gerbers.zip - Gerber Fabrication files
Download I2C-8574-cTc.parts - Parts List (spreadsheet data)

 

I2C-8574-cTc.bom

Parts Value Package Quantity Library Type/Feeder
R4, R5 1k8 0805-RES 2x SPCoast NONE
R1, R2, R3 10k 0805-RES 3x SPCoast 46
JP1, JP2, JP3   SJ_2S-NO 3x SPCoast NONE
C1 .1uF 0805-CAP 1x SPCoast NONE
JP4, JP9 CODE 1X02_LOCK 2x SPCoast PTH
U$1, U$2 CONNECTOR-I2CRIGHT I2C-R 2x SPCoast PTH
JP7, JP12 FLEET 1X02_LOCK 2x SPCoast PTH
JP5, JP10 MC 1X02_LOCK 2x SPCoast PTH
U2 PCF8574 SO-16DW 1x SPCoast NONE
U1 PCF8574A SO-16DW 1x SPCoast NONE
SCL SCL 1X02_LOCK 1x SPCoast PTH
SDA SDA 1X02_LOCK 1x SPCoast PTH
JP8, JP13 SIGNAL 1X04_LOCK 2x SPCoast PTH
JP6, JP11 SWITCH 1X03 2x SPCoast PTH

This technical documentation is licensed under the CERN Open Hardware Licence v1.2