All items tagged with ultrasonic and PWM (3)

| The Arduino and Raspberry Pi have revolutionized the field of embedded systems design. One area of widespread applicability for both devices...

| This low-cost signal generator has an impressive frequency range from 250 Hz to 60 MHz. It can generate PWM signals from 250 Hz to 60 kHz, w...

| Looking for an audio project? This article explores the design of a DIY 50-m range directive sound beam using an array of piezo ultrasonic t...