The HC-SR04 ultrasonic range sensor is a pretty cool pre-wired module that you actually enjoy using when you start playing with electronics, microcontrollers, and robotics. As you might have noticed, ...
We already know what makes the Galaxy S10+ tick—a Qualcomm Snapdragon 855 or Samsung's own Exynos 9820 processor (depending on the region), 8GB or 12GB of RAM (depending on the model), and up to 512GB ...
Ultrasonics refers to signals that are above the human hearing span (>20 kHz), and usually in the 40- to 70-kHz range. These signals are used like radar—they’re radiated toward a target and reflected ...