Motorized Pinewood Derby Car

I woke up the day of the Pinewood Derby race and decided that I wanted to run a car in the “outlaw” class. Using spare parts I had lying around I made a remote controlled Pinewood Derby car in about five hours.

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Made – STOP Sign Binder

I first came across the metal binder idea from Instructables. I then came across the traffic sign binder via Make. Having a middle schooler who can’t seem to keep a binder intact for longer than a week the metal binder idea appealed to me.

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Freezer Door Alarm

The door on the freezer needs a good shove to get it to close fully and due to the sometimes absent-minded adults and kids in our house it has been left ajar more than once.

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DIY Fume Extractor

I was tired of breathing solder fumes so I decided to make myself a fume extractor – in its simplest form a fume extractor sucks the soldering fumes up and passes them through a filter, in this case I used and activated carbon filter.

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Computer Power Usage

A friend asked me how much it costs to have his office computers running 24/7. So, I used my current measurement interface and multimeter to measure how much current one of the systems drew in various states of use.

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