Remove Connected Remove DIY Remove Information Remove Wind
article thumbnail

A DIY Tracker Tough Enough for the Arctic

Cars That Think

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 is fast enough to identify wind waves, which typically have a frequency of about 0.2 Hz, and longer swells, which range from about 0.08

DIY 90
article thumbnail

A DIY E-bike Conversion on the Cheap

Cars That Think

It would have been possible to have such information displayed on a smartphone, using a. Online discussions convinced me, however, that this is the expected behavior when commanding a motor to maintain a fixed amperage in its windings (thus applying constant torque) while under little load. Bluetooth module plugged into the ESC.

DIY 145
article thumbnail

A DIY E-bike Conversion on the Cheap

Cars That Think

It would have been possible to have such information displayed on a smartphone, using a. Online discussions convinced me, however, that this is the expected behavior when commanding a motor to maintain a fixed amperage in its windings (thus applying constant torque) while under little load. Bluetooth module plugged into the ESC.

DIY 98
article thumbnail

Search for Buried Treasure With This DIY Magnetometer

Cars That Think

With that information, I constructed what’s called a fluxgate magnetometer. So when the coil is pointed north ( and downward, at my northern latitude ), the Earth’s magnetic field adds to the magnetic field created by positive currents in the coil windings; when pointed in the opposite direction, the Earth’s field subtracts.

DIY 98