View Comments: Newest First|Oldest First|Threaded View
<<  <  Page 3/3
User Rank
Re: auto diagnostics
S.Wimmer   1/7/2013 9:25:21 AM

Speaking for the people that two years from now that have to figure out why your product suddenly stopped working, you should never rely on soldermask for insulation (been there done that).  Or are you giving someone else an opportunity for a future 'Sherlock Ohms' submission.

User Rank
shift interlock
GlennA   1/6/2013 10:12:10 PM
On a tangent;  I once was asked to help when a car would not shift out of Park when the brake pedal was pressed.  And also, the brake lights were not lighting when the brake pedal was pressed.  It turned out to be a loose wire at the switch.  The brake lights turned out to be a troubleshooting test.

User Rank
Re: auto diagnostics
JimT@Future-Product-Innovations   1/6/2013 5:25:08 PM
Isn't that always the case-? Diagnostics taking longer than the corrective action-?  Makes me think of a recent issue I had on the product I was designing.  I had hand-assembled the very first (10) working prototypes, but every time I tightened down the outer housing screws, the display blanked-out. I spent literally 2 solid weeks of assembly evaluations and diagnostic trouble shooting before I narrowed the cause to the lack of insulated solder-resist on the PCB top layer.  Tightening the housing screws simply squeezed the metal modem casing onto exposed circuitry which should have been insulated during the PCB fabrication process.  Corrective action was a 1c piece of Kapton tape under the module.  Two week investigation; 10 second fix. Of course that is a natural part of development and this type of issue must be completely resolved months before production. I hate to see silly issues like this affect the consumer end-user.

User Rank
auto diagnostics
naperlou   1/4/2013 9:22:35 AM
John, I will bet you that the time you spent diagnosing the problem was longer than the time you spent fixing it.  This is the problem with many automotive systems.  With the advent of very inexpensive microcontrollers, this should be the next wave of automotive improvements.

<<  <  Page 3/3

Partner Zone
Latest Analysis
We celebrate Halloween with a look at 13 of the scariest technology-based horror movies of all time, as well as some real-life technologies that bare a frightening resemblance to what's on screen.
When Charlie Miller and Chris Valasek made headlines by hacking and crashing a Jeep last year, the event followed many months of study and trials.
A unique set of multi-network servo drives introduced by Mitsubishi Electric enables the company’s servo motion capabilities to be integrated into EtherNet/IP, EtherCAT, or PROFINET networks.
With a better understanding of materials’ response to load and temperature, researchers could potentially use the knowledge to improve design. The research could even help geologists studying plate tectonics.
A panel on cybersecurity at ARM TechCon called for regulations to protect the security of connected devices.
Quick Poll
The Continuing Education Center offers engineers an entirely new way to get the education they need to formulate next-generation solutions.
Oct 10 - 14, Embedded System Design Techniques™: Getting Started Developing Professional Embedded Software
SEMESTERS: 1  |  2  |  3  |  4  |  5  |  6 |  7 | 8 | 9 | 10

Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.
Next Course November 8 - 10:
Sponsored by 3M
Learn More   |   Login   |   Archived Classes
Twitter Feed
Design News Twitter Feed
Like Us on Facebook

Technology Marketplace

Copyright © 2016 UBM Canon, A UBM company, All rights reserved. Privacy Policy | Terms of Service