hello, i'm new with arduino and i having a lot of fun. I'm playing with audio and light. i use this code in this topic: Arduino Forum but now i whant to connect a relaybord instead of leds, but what do i change in de code that here is no pwm? i only whant to make a pin HIGH or LOW and not dimmabl…

audio to relay

system April 25, 2013, 9:16am 3

Thank you!

only the output pins are now (opposing) high when there is no volume and if there is volume then the pins are low
how do i change that?

already many thanks

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