Arduino Hi Fi Audio PWM
YouTubeMatt
Arduino Hi Fi Audio PWM
I wrote an Arduino program which boosts the ADC clock to 1MHz and the PWM carrier frequency to 64KHz and then emulates the effect of a SG3525 PWM Audio Modulation IC. Audio input is capacitor coupled and then level shifted to a bias point of 2.5Vdc and then input to Analog 0. PWM output is sent from Digital Pin 6 and then low pass filtered and ...
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