Articles Cheap DIY Volt 
Cars That Think
AUGUST 20, 2021
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. This article appears in the September 2021 print issue as "An Instant E-bike.". The third essential element of any e-bike is, of course, the battery. As I raced ahead, I chuckled to myself. "OK
Cars That Think
AUGUST 20, 2021
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. This article appears in the September 2021 print issue as "An Instant E-bike.". The third essential element of any e-bike is, of course, the battery. As I raced ahead, I chuckled to myself. "OK
Cars That Think
JUNE 22, 2022
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.”.
Cars That Think
JULY 21, 2021
I added a DIY solder squid—a block with four flexible arms that I use to hold components in place while soldering—with a concrete base and an automatic solder fume extractor. I did just that, pulling out a strip of 12-volt nonaddressable LEDs and powering them with a simple wall power adapter. James Provost. But why stop there?
Tony Karrer Delicious EVdriven
APRIL 28, 2009
11 days ago See More Related Articles and Blog Posts Reader Comments (Page 1 of 1) 1 morgan 9:26PM (4/22/2009) Am I the only one who thinks this looks like a mid 90s car? 11 days ago See More Related Articles and Blog Posts Reader Comments (Page 1 of 1) 1 morgan 9:26PM (4/22/2009) Am I the only one who thinks this looks like a mid 90s car?
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