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. Terrafirma Technology , a company started by an engineer named Michael House who has gone into business supplying 3D-printed adapters to people who want to repurpose lithium-ion power-tool batteries.

DIY 145

DIY Conversion Cheap Motor 145

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. Terrafirma Technology , a company started by an engineer named Michael House who has gone into business supplying 3D-printed adapters to people who want to repurpose lithium-ion power-tool batteries.

DIY 98

DIY Conversion Cheap Motor 98

Creative Greenius

FEBRUARY 24, 2009

And we intend to stimulate and grow new connections - a whole lot of them. I’ll do my best to supply some unique stuff from my own off-center perspective. In addition to Creative Greenius you’ll find these great EV Driven blogs: DIY Electric Car. Starting right now. President Obama: Days of Building Sprawl Are Over.

Mini E 150

Mini E DIY Obama Climate Change 150

Green Car Congress

FEBRUARY 14, 2020

The other is the hybrid battery (nickel-metal in the Gen2), responsible for the charge and supplying the cabin with electricity, including the climate control. There are also videos on Youtube where people change the pack the DIY way or the individual modules, but be aware to only buy individual modules from a trusted source.

2004 409

2004 Prius Cheap 2009 409

Cars That Think

FEBRUARY 25, 2022

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. To this board I also connected a tap along with a low-pass filter and output—just in case I decide to build my own subwoofer speaker!

DIY 96

DIY Supplies Kits Power 96

Cars That Think

APRIL 26, 2022

But feeding it to a second op amp configured as a simple comparator (one that compares the input with zero volts) squared the signal up nicely, with the output switching between the +12-volt and –12-volt supply rails every 3 milliseconds or so. I connected this. This arrangement [schematic diagram below] creates a.

DIY 98

DIY Volt 2001 Building 98