{"product_id":"hiletgo-5pcs-5v-heartbeat-detect-sensor-heart-rate-detect-measuring-module-measure-finger","title":"HiLetgo 5pcs 5V Heartbeat Detect Sensor Heart Rate Detect Measuring Module Measure Finger","description":"\u003ch3\u003eHiLetgo 5pcs 5V Heartbeat Detect Sensor Heart Rate Detect Measuring Module Measure Finger\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eDescription: Finger heartbeat measurement module arduino test code: INT led\nPin=13; INT sensor Pin=0; Double alpha=0.75; INT period=20; Double change=0.0;\nVoid setup {Pin Mode (led Pin, OUTPUT)} void loop Static double old Change=0;\nINT raw Value=analog Read (sensor Pin); Double value=alphaold\nValue+(1-alpha)raw Value; Change=value-old Value; Digital Write (led\nPin,(change\u0026lt;0.0\u0026amp;\u0026amp;old Change\u0026gt;0.0)); Old Value=value; Old Change=change; Delay\n(period); Package Included: 5  Finger Measuring Heartbeat Sensor Module\u003c\/p\u003e \n\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n  \u003cul class=\"a\"\u003e\n         \u003cli\u003e5V Heartbeat Detect Sensor\u003c\/li\u003e\n         \u003cli\u003eINT led Pin=13\u003c\/li\u003e\n         \u003cli\u003eINT sensor Pin=0\u003c\/li\u003e\n         \u003cli\u003eDouble alpha=0.75\u003c\/li\u003e\n         \u003cli\u003eINT period=20\u003c\/li\u003e\n  \u003c\/ul\u003e\n","brand":"HiLetgo","offers":[{"title":"Default Title","offer_id":40381065330757,"sku":"B01HTC52P4","price":80.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0281\/4174\/8293\/products\/B01HTC52P4.jpg?v=1665670453","url":"https:\/\/beesactive.com\/products\/hiletgo-5pcs-5v-heartbeat-detect-sensor-heart-rate-detect-measuring-module-measure-finger","provider":"BeesActive Australia","version":"1.0","type":"link"}