I2C Printer Port Adapter Schematic
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The file PORTMSC.DWG is a schematic for the I2C printer port adapter drawn 
using PC style screen drawing characters. This should display on most PC 
compatible computers. A second file: PORTMSC.PRT is the same schematic re-
editted for printing using only normal text characters for printing. 

The adapter is plugged into the printer port on a PC. Power (+5VDC) must be 
applied from an external source, since the adapter cannot get its power 
directly from the printer port. The SCL, SDA, and GND signals must be 
connected to I2C peripheral(s) in order for them to communicate with the PC. 

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***                                                                 ***
***   Please note: Purchase of Philips' I2C components conveys a    ***
***   license under the Philips' I2C patent to use the components   ***
***   in the I2C-system provided the system conforms to the I2C     ***
***   specifications defined by Philips.                            ***
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