Red Light Camera Alerter

I had the chance to play with some new components – namely the Adafruit Monochrome 128×32 OLED display and the Adafruit UP501 66 channel GPS receiver. As I was pondering ideas of what to build, I thought that it would be neat to be alerted when approaching a red light camera.  In my local area (Southern Ontario), there are currently about a hundred or so of these cameras around the GTA.  However, it appears that new legislation may see this number grow much larger.   This is more of a proof of concept project to me than it is useful as, a) I don’t intend on trying to run any red lights, and b) there are only about 1 or 2 of them within the area.   However, it was fun to build and tweak to make it useful.  Read on…

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Arduino Temperature / Humidity Sensor

The projects I do tend to fall in one of two buckets – either proof-of-concept (so I can learn new stuff) or items that have some sort of functional use.   The need for this project came about when my wife was prodding me about the humidity in the house and whether our humidifier was doing it’s job correctly.  Most people would just go out and buy a temp / humidity sensor and be done with it.  However, if you have a look around here, you will see that I don’t fit that mold.  Instead, I decided to build an accurate temp / humidity sensor with a Sensiron SHT11 to read the values, a RBBB Arduino kit to process everything and an Adafruit 128×32 OLED to display the results – all wrapped up in… LEGO!   Read on for more…

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Adafruit Monochrome 128×32 OLED graphic display

I recently got my hands on the Adafruit Monochrome 128×32 OLED graphic display for my next project.  This is a 128×32 OLED B+W graphics chip and it’s tiny!  Don’t let its size fool you however. Being an OLED display,  text/graphics contrasts well against the black background.  My initial intent for this display was to use it to provide information to you GPS Red Light Camera project.  It’s job would be to provide key information such as; the distance to the next red light camera location, the direction of the vehicle (and possibly direction of the camera later on), speed, # of satellites, as well as Lat and Log.  However, after some dry runs, I found that reading the information was too difficult if it was sunny out.  Of course the obvious holds true that I should not be taking the time to read this sort of info while driving anyhow.  The intent was more of an info display for viewing while stopped etc.   However, the purpose of this write-up is not to discuss the merits of these things, but rather the quality of this display. More info on the project will come soon.

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