Changes between Version 9 and Version 10 of DiyIcsAdaptors


Ignore:
Timestamp:
05/12/10 20:03:48 (14 years ago)
Author:
pinwc4
Comment:

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  • DiyIcsAdaptors

    v9 v10  
    1717=== 5 volt USB to TTL adapter === 
    1818Below is a schematic based on a 5 volt USB to TTL adapter.  I have successfully built this design.  Notice the use of 2 diodes, this brings the voltage level down to approximately 3.6 volts.  Click on the image to see a larger version. 
     19 
    1920[[Image(//images/schematics/icsusb5vschematic.png, 25%, title=5 volt USB to TTL adapter)]]  
    2021 
    … …  
    2223=== 3.3 volt USB to TTL adapter === 
    2324Below is a schematic based on a 3.3 volt USB to TTL adapter.  I have not attempted to use a 3.3 volt TTL device so I do not know if this will work.  Notice the use of 1 diode, this brings the voltage level down to approximately 2.6 volts.  Click on the image to see a larger version. 
     25 
    2426[[Image(//images/schematics/icsusbschematic.png, 25%, title=3.3 volt USB to TTL adapter)]] 
    2527