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A DIY E-bike Conversion on the Cheap

Cars That Think

Here I took advantage of already owning an electric lawnmower, figuring that the 40-volt, 4-ampere-hour battery I had for it would serve well. Bluetooth module plugged into the ESC. Being an open-source design no doubt keeps the price of this hardware down: The controller I bought set me back a mere $85.

DIY 145
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Charge like you Volt-to: DIY J1772

DIY Electric Car

I started by chopping off 12" from my home 220v system (plug and all). So I splurged and spent the $110 on one for my birthday. It arrived yesterday (Friday) and I spent this morning wiring up my adapter. I use heavy duty 3 x 6ga rubberized cable. The J1772 I have came with solder lug/pins (one end is a lug, the other is the pin).

DIY 157
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A DIY E-bike Conversion on the Cheap

Cars That Think

Here I took advantage of already owning an electric lawnmower, figuring that the 40-volt, 4-ampere-hour battery I had for it would serve well. Bluetooth module plugged into the ESC. Being an open-source design no doubt keeps the price of this hardware down: The controller I bought set me back a mere $85.

DIY 98
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Detect Quakes With “Raspberry Shakes”

Cars That Think

Searching the interwebs, I found no shortage of leads about how to build a DIY seismometer. The problem is that the DIY seismometer designs I was seeing were large and ungainly contraptions. This consists of a geophone and a sensor board that plugs into a Raspberry Pi. I recently decided that I needed to give this a try.

Panama 110
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Creative Greenius is EV Driven

Creative Greenius

For instance, when you go to Chris Payne’s fantastic Revenge of the Electric Car page, check out left side for the topics it digs into, like: Electric Cars (no surprise), Tesla , Mini E , Volt. In addition to Creative Greenius you’ll find these great EV Driven blogs: DIY Electric Car. Plug In Partners. Robs RAVolt.

Mini E 150
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DEED advertising pays off

Electric Auto Association

“We’re 100% used EVs and hybrids,” said Robert Beas of Beas Auto Sales , noting that he displayed a pre- owned Prius Prime, Mitsubishi Outlander, Hyundai Sonata, Chevrolet Volt, and Ford C-max plug-in hybrids at the event. Dave Atherton answering questions from Toyota representatives about his DIY modified 2008 Prius.

Prius 92
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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 101