2021 Rocky Mountain Slayer Alloy 30 Bent Derailleur

Crossing a log and landing on the Derailleur is a neat trick but not so good for the Derailleur or the hanger bracket. The 2021 Slayer Alloy 30 has a….

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Rocky Mountain Slayer 2021 Spring Upgrade

The Rocky Mountain Slayer is an All Mountain bike that includes a rear spring suspension. The spring that comes with the XL version of the bike comes with Marzocchi Bomber….

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John Deere Z355R Sputtering

Start of a new season and time to service the lawn mower. https://www.deere.com/en/parts-and-service/zero-turn-mowers/residential-eztrak/z355r/ The annual service kit comes with Oil, Oil Filter, Fuel Filter and Spark Plugs. Replacing the oil….

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Cozmo Maze

The maze in the picture was a leftover from another project. What better use to put it to than have a coding exercise with Cozmo, have Cozmo escape the maze…..

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Chromebook Pixel 2013 and Cozmo

  The examples and SDK for working with Cozmo are Python based. https://github.com/anki/cozmo-python-sdk/tree/master/examples/tutorials  We have a couple of Google Chromebooks, one is the 2013 Pixel and one a newer Pixelbook…..

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Getting started with Cozmo

Cozmo is a little toy robot with a python SDK.   The setup is a little quirky, but nevertheless fun. The Cozmo app on the mobile deivce communicates with Cozmo….

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Electrical Applications, quiz 0001

Look at the following circuits. What will happen when the switch is turned on: Simple LED, resistor and battery 2. Simple LED, resistor and battery 3. Simple LED, resistor and battery….

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Electrical Applications, Components, Values and Units

Resistors https://en.wikipedia.org/wiki/Resistor   Resistors are measured in Ohms Ω. They are used to limit the current that flows through the circuit. Resistors mostly come in a fixed numeric. 1, 1.5,….

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Electrical Applications, Resistor Color Code

How do you identify a resistors value if you don’t have a multimeter available? Each resistor has a band of colors. These bands identify the value in Ω as well….

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Electrical Applications, 555 Timer

The 555 is our first steps into chips. The 555 is a timer chip, this means that it will ‘tick’ like a clock. We will use this to turn an….

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