This project involves the use of an HC-SR04 proximity sensor commonly used among robotic devices for purposes of collision avoidance. In this project, the sensor is applied to an Arduino…

Castle Mittersill in Austria Many years ago at night, it was out on an open deck at this Castle Mittersill that I asked God in prayer to serve Him. Whatever…

Using the point-slope formula between the on-time and off-time of a passive buzzer, we can control the high frequency and low-frequency tone sound as a function of light. As a…