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Hardware Engineering Internship (Summer 2012)
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Hardware Engineering Internship (Summer 2012)
Cody Cooke8/9/2012
Digi International
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About Me
• Iowa State University– Senior in Electrical Engineering
• 1st year intern• Originally from White Bear Lake, MN• Played hockey for 15 years
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Hardware Engineering Mentors
• Primary Mentor:– Nathan Herman
• Secondary Mentors:– Brad Ferguson– Matt Larsen– Nathan Carlson– Dan Skenzich
• Manager:– Frank Artner
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Projects Worked On
• X2e Variant creation, Prototyping, and Testing• U-Blox GPS Python Scripting and GPS Simulation• WVA Daughter Board Assembly• X5R Proof of Concept, Assembly, and Homologation
Testing• X4/X4H Cellular Modem replacement and cellular Pre-
Scan using CMU200• Tank Monitor LED Testing • Other little projects around the office for people
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X2e CADStar Variants• Worked with Dan to get the
XBP24CZ7PIS-I085 added into the Digi Libraries in Cadstar
• Created an Xbee Pro variant for both X2e with and without Wi-Fi
• Worked with Dan and Van to get the ENG and MFG files into Pending
• Filled out a Prototype Request for the -04 variant (US with Wi-Fi) to do collocation testing
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X2e Collocation Testing
• After Prototyping, did a collocation test on both an -04 variant and a -02 variant
• Report the information to Brad and David so he could move forward with the ECO
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U-Blox GPS and Python Scripting
• Worked with a U-Blox GPS engine and wrote a python script for reading the buffer
• Used the script to test if we were picking up valid coordinates
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WVA Daughter Board Assembly
• Started with the bare PCB and soldered on all of the components
• Got graded by the Nathan’s on my work and what I need to look for
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X5R
• Assembled the proof of concept for Nathan Herman
• Acquired MAC information• Mounted the X5R onto the
sheet metal• Installed the SIMs• Worked with Will to create
the homologation script for Lenny to test with
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X4/X4H
• For the X4s and X4H, installed cellular modems
• Did CMU200 Testing on a few X4H’s to make sure they passed testing at Digi
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Tank Monitor/IDF Formatting
• Worked with Matt to wire up the 55m so that we could test our new container
• Did LED testing to come up with an alternative to Red/Green Bi-color LED
• Worked with the mechanical team with getting mounting holes imported into ProE
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Key Learning's
• Documentation for everything– i.e. variants, DVT testing
• Asking Questions and Using Resources• Developing a learning process that works for
you• Staying energized and enthused
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Question and Answer