Many different ideas have been proposed to increase the acoustic output of piezoelectric buzzers or ultrasonic transducers. Most of them involve fairly complex circuitry, adding to the overall cost of the solution. For example, boosting a low-voltage logi...
Many different ideas have been proposed to increase the acoustic output of piezoelectric buzzers or ultrasonic transducers. Most of them involve fairly complex circuitry, adding to the overall cost of the solution. For example, boosting a low-voltage logic supply to a h...
yannis chen wrote a new blog entry: