{"provider_name":"Hatena Blog","version":"1.0","width":"100%","url":"https://higepon.hatenablog.com/entry/20140925/1411573952","title":" 11. Piezo Buzzer - Spark Core","height":"190","categories":["spark core"],"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/h/higepon/20140924/20140924085114.png","published":"2014-09-25 00:52:32","description":"Buzzer would be useful in some cases, so let\u2019s learn how to use it. I started using Fritzing to draw how I connect things.And code is below // Turn on/off Piezo Buzzar // void setup() { Serial.begin(9600); pinMode(A0, OUTPUT); } void loop() { delay(1000); analogWrite(A0, 2000); delay(100); analogWri\u2026","author_url":"https://blog.hatena.ne.jp/higepon/","provider_url":"https://hatena.blog","author_name":"higepon","blog_url":"https://higepon.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhigepon.hatenablog.com%2Fentry%2F20140925%2F1411573952\" title=\" 11. Piezo Buzzer - Spark Core - higepon blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","blog_title":"higepon blog"}