-
Recent Posts
Archives
- December 2025
- November 2025
- October 2025
- July 2025
- January 2025
- February 2024
- December 2023
- September 2023
- July 2023
- March 2023
- July 2021
- May 2021
- March 2021
- January 2021
- December 2020
- November 2020
- August 2020
- May 2020
- April 2020
- March 2020
- November 2019
- October 2019
- August 2019
- June 2019
- April 2019
- March 2019
- February 2019
- January 2019
- November 2018
- September 2018
- August 2018
- July 2018
- June 2018
- May 2018
- April 2018
- February 2018
- December 2017
- September 2017
- August 2017
- July 2017
- June 2017
- May 2017
- April 2017
- February 2017
- January 2017
- December 2016
- November 2016
- July 2016
- April 2016
- March 2016
- February 2016
- December 2015
- October 2015
- September 2015
- August 2015
- June 2015
- March 2015
- February 2015
- May 2014
- March 2014
- February 2014
- January 2014
- November 2013
- June 2013
- May 2013
- April 2013
- March 2013
- February 2013
- November 2012
- October 2012
- September 2012
- August 2012
- June 2012
- May 2012
- April 2012
- March 2012
Categories
Meta
Category Archives: Cars
Turn signal Arduino device – update
In the last post, my turn signal device worked great when the car lights were running on battery. However, as soon as I turned the engine on the device was caught in a reboot loop. I hooked up my Xprotolab … Continue reading
Posted in Cars, Electronics, Software
Leave a comment
Turn signal Arduino device
After 6 months of driving with a manual pushbutton left turn signal, I decided it was finally time to build a more permanent solution. In the 2013 Volkswagen Passat, the turn signals always have at least a 33% duty cycle … Continue reading
Posted in Cars, Electronics, Software
1 Comment
Turn signal triage
A few weeks ago, my 2013 Volkswagen Passat started exhibiting strange behavior: intermittent failure of the left turn signal, and random trunk openings while driving. After a few days of using a rope to pull the trunk shut from the … Continue reading
Posted in Cars, Electronics
1 Comment
Engine information
One of the perks of having a modern vehicle is that you can use devices to monitor the engine and drive train performance. I was recently using my Vgate Bluetooth Scan Tool OBD2 Scanner to record speed and engine RPM values during a short trip. In the following plot, you can clearly see the six gears of the automatic transmission as straight lines in speed vs RPM.
Posted in Cars, Data
Leave a comment
Side by side automobiles
I just bought a new car. It’s a 2012 Volkswagen Passat, and for a few brief months I will be the legal owner of two automobiles. I thought I would snap a picture while I actually owned two clean automobiles….
Posted in Cars
Leave a comment
Heater Core Bypass
It turned out that there were only two MUST-DO items: pass a smog check and bypass the heater core.
Posted in Cars
Leave a comment
So many cars!
Well, this time I decided to do some data mining on Cars.com to help me figure out what is going on with new and used cars in the area. A little html parsing magic later, I was able to survey all of the new and used cars available in my target class: midsize sedans.
Mustang Mileage Data
So yes, it’s true, I spend all day furiously working with solar cells, and then drive home at 16 MPG. But at least it’s above 10 MPG!
Posted in Cars, Data
Leave a comment
