This article explains an upgraded smart solid-state AC switch system that uses microwave Doppler radar instead of traditional ...

Mowing the lawn is a tedious and time-consuming chore, but with a robot lawn mower, it doesn't have to be. We've been reviewing robot lawn mowers for nearly a decade, so we know what to look for when ...

Abstract: There are significant couplings between control techniques and disturbance rejection techniques in traditional control schemes for systems with mismatched disturbances, such that both ...

Abstract: Radar-based remote vital sign sensing and measurement has recently gained substantial attention due to its noncontact and noninvasive nature. Currently, a considerable amount of research is ...

The INA3221 is a 3 channel voltage and current sensor, which work with I2C. The INA3221 is a 3 channel measuring device to measure voltage. Derived from that voltage and a given shunt, the library ...

my final build uses a ease-in stop at the middle station rather than merely cutting the power, but I wanted to leave this "pure" and of a piece with Jimmy's original example. any guage/scale layout: O ...

A special Batarang that you can manually control once it is released. These are useful for hitting objects that are way out of reach. The device is built with brakes and acceleration, providing fine ...

For setups that rely on stored water, clear awareness of tank level and water quality is essential. Traditional level ...