Author Archives: engineerzero

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About engineerzero

Once and future engineer.

Football on the Moon

My nephew was interested in the possibility of lunar basketball, but since this is the weekend of the Big Game (non-TM), I decided to go with lunar (American) football instead. The simple part, of course, is to put it under … Continue reading

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Amino acid progression

This is something that I’ve wanted to do for a while, and it will obviously take a lot more work. The idea is that amino acids show a progression in complexity, and I’d like to put together a slide show … Continue reading

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Engineer’s Dreams

Engineer’s Dreams: Great projects that could come true, by Willy Ley (1954). Here is a book that I found at Half Price Books that has been out of print for decades. Not only is it over fifty years old, it … Continue reading

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Tapping into an RC Circuit

The Neph came over and we probed the RC circuit with the analog multimeter that I purchased from Radio Shack. I was astonished to find that the voltage on the high side of the push button wasn’t even a single … Continue reading

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Zerobot Chronicles: Remote Control Pad

Here are photos of a RC toy vehicle’s remote control pad circuitry exposed. I reversed the back side so that the points would correlate with the components on the front. The chip identifier number under the sticker is unreadable, which … Continue reading

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Password Key Chain

Tired of coming up with random computer passwords, then having to remember them and/or find a place to hide them when you write them down? How would you like to be able to keep your computer passwords written in plain … Continue reading

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Electric Car Battery Swap Station

I viewed a video on Youtube of a ‘battery switch’ station, and the facility looked like it cost a couple million dollars. That didn’t seem very practical. If you want this idea to take off, battery swap stations have to … Continue reading

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PC to Arduino to LED Control

As I’ve mentioned in previous posts (like the slideshow here), I want to build a teleoperated mining robot. Since I’m somewhat short of both cash and experience, I have to start small. One key part of the system will be … Continue reading

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Whatever is wrong with America, it’s not lack of violin lessons

In the 1960s, the US was worried about the Missile Gap. Now we’re worried about the violinist gap? You know what I’m talking about, it’s being hyped all over the media, there’s a Chinese-American woman who calls herself the Tiger … Continue reading

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Arduino Park on Youtube

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