Cars That Think

MARCH 24, 2022

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. This consumed around 350 milliamperes while running at 5 volts for about 1.7 watts, but the Apollo3 uses just 500 microamperes at 3.3 microwatts.

DIY 91

DIY Building Power Powered 91

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. The handlebar-mounted controls connect with an Arduino, which interprets their settings and translates them into a PPM signal, which is applied to the electronic speed controller.

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. The handlebar-mounted controls connect with an Arduino, which interprets their settings and translates them into a PPM signal, which is applied to the electronic speed controller.

DIY 98

DIY Conversion Cheap Motor 98

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

Tony Karrer Delicious EVdriven

APRIL 20, 2009

German energy firm RWE has stated that a cadre of respected automakers and energy firms have all come together in agreement on a three-point, 400-volt plug that will enable electric cars the world over to be recharged anywhere, regardless of which recharging station they stop at.

Recharge 75

Recharge Plug Electric Vehicles 2009 75