| Read how a simple ultrasonic sensor, a vibrating motor, and one or two microcontrollers turned into a practical upgrade for a walking frame....
| Read how a simple ultrasonic sensor, a vibrating motor, and one or two microcontrollers turned into a practical upgrade for a walking frame....
| Explore how the integration of a standard ultrasonic sensor, a vibration motor, and one or two microcontrollers resulted in a functional enh...
| It happens to all of us — you’re at home and there’s a caller at the door but for some reason or other you do not hear the doorbell buzz or...