![]() ![]() Otherwise, it continues the tone generation. 2000ms means a frequency of 0.5 Hz thats not enough. If the function tone is used without a duration value then the function noTone() should be called to turn OFF the tone. A passive Piezo buzzer needs excitation to make sound, from your code you have a delay time of 2000 ms. ![]() So, use the handler with the same millis as for tone generator. 2.2K views 2 years ago PHILIPPINES In this video, Joed Goh explain how Pulse Width Modulation works how digital signal can be used to simulate analog values. Here the tone will be ON only for 500ms and OFFs, then repeats function after a 1s delay in OFF state which generates a beep-beep sound half-second beep with a one-second gap between each beep. You have to release the tone generator after it is finished. The SN76489 IC GND, Ground AUD, Audio output (headphone jack) CLK, 4MHz clock signal (see below) /CE, Active low Chip Enable (connect to GND. ![]()
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