USB car charger pins

Make a 5V Power Supply For Arduino From a Car USB Charger

This is what I did to power the Arduino which I used in my engine start button project. It’s a simple and cheap way to power an Arduino in a car. This will requires some basic soldering skills.

Step 1

But a simple USB charger – the kind that plugs into your car’s power outlet. They usually cost ~$2-5(USD). You can probably find them at most convenience stores, or maybe a box store of your choice.

USB car charger
USB car charger – As you can see, the output of this USB charger is rated DC 5 volts and 1 ampere.

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Start Button Install Progress (part 1)

The first place that I was going to install the button was in the larger hole cover that covers the hole in the dash where accessory switches go, but were not used. However, I found a better location while solving the steering lock issue.  The key cylinder also operates the steering lock, but if I’m not going to use the key to start the car, the steering lock just inconveniences me. I had to remove it.

CRX key cylinder removed
CRX key cylinder removed

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Start Button Update 1

I wrote a program for the Arduino, and put together a test circuit to see if it would work. I used LEDs to show the functions.  I wrote 6 different versions of the code until I finally came up with one that worked exactly how I wanted. I’m not a programmer, so this code is […]

New Idea: Engine Start Button

I recently test drove a ’14 Honda Civic, and I really liked some of the new features that Honda has added to their vehicles. The start button intrigued me.  It used to be that the S2000 was the only vehicle that Honda decided to have an engine start button on, but now it seems that […]

1988-1991 Honda CRX Trouble Codes

Is your check engine light(CEL) on? Getting the trouble codes from the Engine Control Unit(ECU) might make it easier to fix the problem. Here is how to get the trouble codes. The ECU is located at the front of the passenger foot-well, under the carpet. There is a single flashing LED(Light Emitting Diode) at the center […]

Petition to Bring the 2015 Civic Type R VTEC Turbo to North America

If you aren’t too busy at the moment, you should head over to this page and sign the petition to bring the 2015 Civic Type R Turbo to North America. The Civic Type R seems to always avoid North America. The 2015 Honda Civic Type R Turbo is rumored to have a 2.0L turbocharged engine […]