The smart blind stick utilizes ultrasonic sensors to detect obstacles within a range of up to 2 meters and provides feedback to the user in multiple forms to alert them of nearby obstacles.

Not so, if you use a pair of specialised ultrasonic transducer arrays to move the air instead! (Video, embedded below) Three banks of thrusters provide a 180 degree steerable net force Details are ...

Unfortunately, changing our smoke alarm’s battery didn’t fix the chirping. So after confirming that it wasn’t a battery problem, we moved on to the next easiest fix – cleaning the sensor. Dust can ...

This project provides ROS drivers for Bosch Off-Highway sensor systems. (Radar Off-Highway Premium, Radar OHW, General Purpose Radar Off-Highway (GPR), Ultrasonic Sensor System OHW Entry & Premium) ...

this unit uses 433 MHz to communicate with various sensors and devices throughout the home, and also includes a 3G cellular connection that allows it to contact the alarm monitoring service even ...