Jackery Explorer 12v Connector

The Jackery Explorer portable power stations come with a variety of outputs depending on the model. Both models I own came with a 12v output in what seems to be….

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Trek Marlin Gary Fisher Single Speed Conversion

The Bike: https://www.bikeradar.com/reviews/bikes/mountain-bikes/trek-marlin-review/ The task: Remove the front and rear derailleurs and replace with single speed. Remove shifters and cables Fix the wobble in the pedaling, seems to be a….

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Yeti SB140 Fox Transfer Post

The Yeti SB140 L comes with an Fox Transfer 31.6/175mm Post. Riding today the seat popped off, not an entirely painless event. The dropper post upper clamp had failed at….

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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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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, Potentiometer

A Potentiometer (pot) is a resistor that can be both fixed and varied, also known as variable resistors. A typical Potentiometer: https://www.adafruit.com/product/356?gclid=Cj0KCQjwu_jYBRD8ARIsAC3EGCJ5JS4kSB1WgJjxSOwnekQ925ZnsxyONZT5ODQkNDcvyr0QBmkxM20aAgm7EALw_wcB    

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NPM Raspberry Pi Zero onoff and Closures

Using a Pi Zero to monitor some input pins, a change on the input will trigger an event. This is using NPM onff (https://www.npmjs.com/package/onoff). The example code with a button….

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