Arduino will generate random numbers by receiving an audio signal provided by an FM Radio.
Project showcase by Joao_Claro
A symmetric power source for audio amplifiers controlled by the Arduino's PWM with max output +-30v 10A.
It detects a beat in a line level audio signal.
Try this online tool:
I do not remember very well, but I think some pwm pins can reach higher or lower frequency values than other pwm pins...
Or connect with your social account:
New here? Create an account