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A DIY E-bike Conversion on the Cheap

Cars That Think

At the time, e-bikes were still rather exotic, at least in the United States, so it seemed worth the expense and effort to build my own. It would have been possible to have such information displayed on a smartphone, using a. This article appears in the September 2021 print issue as "An Instant E-bike.". OK boomer," indeed.

DIY 145
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Our Hands-On Citizen-Scientist

Cars That Think

As he prepares to leave Spectrum to pursue more writing and assorted other projects, I asked Schneider to survey his DIY oeuvre and choose some highlights. Schneider’s training and experience as a geophysicist has informed not only his Hands On projects but also the hundreds of articles he has reported or edited over the years.

DIY 80
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A DIY E-bike Conversion on the Cheap

Cars That Think

At the time, e-bikes were still rather exotic, at least in the United States, so it seemed worth the expense and effort to build my own. It would have been possible to have such information displayed on a smartphone, using a. This article appears in the September 2021 print issue as "An Instant E-bike.". OK boomer," indeed.

DIY 98
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Hacking Ham Radio for Texting

Cars That Think

Navy researcher Robert Bruninga and was originally designed to track tactical information in real time. MicroAPRS , which is an open-source and Arduino-compatible firmware package for DIY packet radio modems. I thought about building it around a Raspberry Pi. I started learning about the many different types of. right now.

DIY 145
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The First Digital Camera Was The Size of a Toaster

Cars That Think

In a 2016 interview with DIY Photography , he said cassettes were the only permanent form of “digital storage” available to him at the time. To build his digital camera, Sasson scavenged a lens and an exposure mechanism from a Kodak XL55 movie camera. That didn’t deter Sasson, who continued to build more cameras for Kodak.

Store 102
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DIY Gamma-Ray Spectroscopy with a Raspberry Pi Pico

Cars That Think

So when I decided to build a cheap DIY scintillating gamma spectrometer, it was the natural choice—although I didn’t realize I’d find myself navigating around teething problems of the sort that often affect a first-generation integrated circuit. I find it fascinating that you can get so much information out of a single device.

DIY 101
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Search for Buried Treasure With This DIY Magnetometer

Cars That Think

The notion of being led to a hidden object by virtue of the magnetic anomaly it creates must have really intrigued my 9-year-old self, because a decade after seeing that movie I decided to build a circuit to measure the strength of Earth’s magnetic field. With that information, I constructed what’s called a fluxgate magnetometer.

DIY 98