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A DIY Tracker Tough Enough for the Arctic

Cars That Think

Unfortunately, the cost of buying instruments commercially severely limited how many trackers we could deploy. So, I set about building an open-source ice tracker from DIY components that not only proved to be much, much cheaper but also much more capable than the commercial options. Hz, and longer swells, which range from about 0.08

DIY 93
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Looking to get in a hybrid for cheap? Used Toyota Prius 1.5 HSD 2004-2009 Review

Green Car Congress

Used Priuses, especially the Generation 2 that were made from 2004 to 2009 are becoming a bargain to buy, especially for the MPG and features you get in return. It was time to buy our first car. I was nervous as this was the first time that I was buying a car, so the experience was new to me. How did it all start?

2004 409
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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. This article appears in the July 2022 print issue as “DIY Gamma-Ray Spectroscopy.”.

DIY 100
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A Web-Enabled, High Quality, DIY Audio Amp

Cars That Think

November 2018 Hands On article, “DIY Pro Audio ” in IEEE Spectrum , and it convinced me it was possible, although I wanted to go beyond just a power amplifier to something more like my lamented Sansui. In commercial product development, an optimized microcontroller would be the way to go, but for my DIY project, a Pi was perfect.

DIY 98
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Top 10 : Best Electric Bike Conversion Kit 2021 | Best ebike Conversion Kit | Best e Bike Conversion Kit | Electric Bike Conversion Kit With Battery

Electric Vehicless

Note:- Cycle range depends on battery capacity & kw of motor as battery capacity increases range also increase.Battery work as fuel tank & motor work as IC engine power. Battery capacity Watt-hours = Amp -hrs X Volts. Bicycle A has a 36 Volts & 20 AH battery = 720 watt hours. Controller.

Kits 52
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Build the Most Accurate DIY Quartz Clock Yet

Cars That Think

Of course, I could buy an atomic clock—that is, one with a rubidium oscillator inside, of the sort used onboard GPS satellites. volts, and draws 400 milliamperes in steady-state operation. seconds per day, or over 10 minutes in the course of a year. The Raltron OCXO I chose for my clock costs $58, operates at 3.3

DIY 52
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Arc 1 Conversion Journal 3/3/2012

DIY Electric Car

Motor volts, amps, temperature will be showed on 2 inch round dials in the place of oil temp, 12V battery voltage, and fuel level. A new 'A' pillar instrument cluster will show battery pack volts, amps, and DOD. I attempted to buy a manual rack, but the company said they don't actually have one to sell.