{"product_id":"tm1637-4-bits-digital-led-display-module-for-7-segment-0-36inch-clock-red-anode-tube-four-serial-driver-board-pack-1","title":"TM1637 4 Bits Digital LED Display Module For 7 Segment 0.36Inch Clock RED Anode Tube Four Serial Driver Board Pack","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eEstardyn\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDisplay Function\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eGraphics\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eTM1637 4 Bits Digital Tube LED Display Module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePixels\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e20mm\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTube Chip Color\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eRed\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eUse\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eIndoor\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_dynamic\"\u003e\u003ckse:widget data-widget-type=\"customText\" id=\"1005000000327282\" type=\"relation\"\u003e\u003c\/kse:widget\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1b04238ac8ef4ff68cb43cb2e28c925eP.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"font-size:14px;font-weight:400;letter-spacing:normal;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;padding:0px;box-sizing:content-box;padding:0px;margin:0px;\"'\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:14px;font-weight:400;line-height:1.4;color:rgb(64, 64, 64);background-color:rgb(255, 255, 255);margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0);font-size:18px\"\u003eThe module is a 12-pin display module with a 4-point common digital tube (0.36 inch) with a clock point. The driver chip is TM1637. It only needs 2 signal lines to enable the MCU to control the 4-bit 8- Segment digital tube.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eThe module features are as follows:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px 1.12em 21pt;margin-bottom:1.12em;margin-top:1.12em;margin-left:21pt;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eDisplay device is 4-digit yang red digital tube\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px 1.12em 21pt;margin-bottom:1.12em;margin-top:1.12em;margin-left:21pt;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eDigital tube 8-level grayscale adjustable\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px 1.12em 21pt;margin-bottom:1.12em;margin-top:1.12em;margin-left:21pt;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eControl interface level can be 5V or 3.3V\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px 1.12em 21pt;margin-bottom:1.12em;margin-top:1.12em;margin-left:21pt;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e4 M2 screw positioning holes for easy installation\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable style=\"border-collapse:collapse;font-family:tahoma, arial, sans-serif;font-size:large;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255)\" border=\"1\" cellpadding=\"0\" cellspacing=\"0\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:86.7pt;height:15.6pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eProject\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:63.4pt;height:15.6pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eMinimum value\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:63.4pt;height:15.6pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eTypical value\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:63.5pt;height:15.6pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eMaximum\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:47.35pt;height:15.6pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eUnit\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:86.7pt;height:15.6pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eVoltage\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:63.4pt;height:15.6pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e3.3\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:63.4pt;height:15.6pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e5\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:63.5pt;height:15.6pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e5.5\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:47.35pt;height:15.6pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eVDC\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:86.7pt;height:15.65pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eCurrent (@5V)\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:63.4pt;height:15.65pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e-\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:63.4pt;height:15.65pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e30\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:63.5pt;height:15.65pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e80\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:47.35pt;height:15.65pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003emA\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:86.7pt;height:15.6pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eSize\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:190.3pt;height:15.6pt\" colspan=\"3\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e42X24X12\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:47.35pt;height:15.6pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eMm\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:86.7pt;height:15.6pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eWeight\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:190.3pt;height:15.6pt\" colspan=\"3\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e8\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:47.35pt;height:15.6pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eg\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003eControl interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eA total of 4 pins (GND, VCC, DIO, CLK), GND is ground, VCC is the power supply, DIO is the data input and output pin, CLK is the clock signal pin;\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003eDigital Tube\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e: 4-digit common anode with a 0.36-inch digital tube with a score point, highlighted in red;\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003ePositioning hole\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e: 4 M2 screw positioning holes, the hole diameter is 2.2mm, which makes the module easy to install and position, and realize the module combination;\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eOverview of the library routines:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px 1.12em 0cm;margin-bottom:1.12em;margin-top:1.12em;margin-left:0cm;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e1. ClockDisplay: Use the timer 1 of the MCU on the motherboard to time and let the 4-digit display display.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px 1.12em 0cm;margin-bottom:1.12em;margin-top:1.12em;margin-left:0cm;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e2. NumberFlow: 0~9, A, b, C, d, E, F and other 16 characters flow from right to left.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px 1.12em 0cm;margin-bottom:1.12em;margin-top:1.12em;margin-left:0cm;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e3. StopWatch: Use the timer 1 of the MCU on the motherboard to time, and use the button to realize the stopwatch function.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style='font-family:\"font-size:14px;font-weight:400;letter-spacing:normal;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;padding:0px;box-sizing:content-box;padding:0px;margin:0px;\"'\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:\"font-size:14px;font-weight:400;letter-spacing:normal;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:0px;padding:0px;box-sizing:content-box;padding:0px;margin:0px;\"'\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003eExperiment equipment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eAn Ard uino compatible motherboard Cat duino (not familiar with open source hardware can be understood as the Atmega328P microcontroller development board) and a mini USB cable;\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e1 4-digit digital tube display module;\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e4 male to female DuPont lines for connecting the control interface of the module and the Cat duino development board;\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003eExperimental procedure\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px 1.12em 0cm;margin-bottom:1.12em;margin-top:1.12em;margin-left:0cm;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003e1. Use 4 male to female DuPont lines \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan\u003e4-digit digital display module \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eConnected to Cat duino, as shown in the following table and figure\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable style=\"border-collapse:collapse;font-family:tahoma, arial, sans-serif;font-size:14px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255)\" border=\"1\" cellpadding=\"0\" cellspacing=\"0\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:106pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eCat duino\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:51.65pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eCable\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:110.75pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003e4-digit digital display module\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:106pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eGND\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:51.65pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eblack line\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:110.75pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eGND\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:106pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003e5V\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:51.65pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eRed line\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:110.75pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eVCC\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:106pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eD2\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:51.65pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eYellow line\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:110.75pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eDIO\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:106pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eD3\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:51.65pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eWhite line\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0cm 5.4pt;width:110.75pt\"\u003e\u003cp style=\"font-size:14px;font-weight:400;line-height:1.4;text-align:center;margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" align=\"center\"\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cspan\u003eCLK\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px 1.12em 0cm;margin-bottom:1.12em;margin-top:1.12em;margin-left:0cm;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e2. Connect the Catduino with mini USB. If you are using the motherboard for the first time, its USB to serial driver can find the USB Drivers from the drivers in the Ard uino IDE directory.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px 1.12em 0cm;margin-bottom:1.12em;margin-top:1.12em;margin-left:0cm;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003e3. Reopen the Ard uino IDE and click the Open button on the toolbar to open the NumberFlow routine in DigitalTube.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eSelect the serial port, board name, click the Burn button, you can burn. This routine can make 16 characters from 0~9, A, b, C, d, E, F, etc. flow from right to left.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cspan\u003e\u003cspan style=\"color:rgb(204, 0, 0)\"\u003e\u003cspan style=\"font-size:18px\"\u003eThe function of adjusting the gray scale of the digital tube is the set() function in the class TM1637, and the input parameter is 0~7. The larger the number, the higher the brightness.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sc88ee7dd95cb4a81b4ed39deacb24577V.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa8ce283aabff4290b787d6f55ee5d355G.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1d4e8cfb69b1427689e55daa7ca25d57d.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1b04238ac8ef4ff68cb43cb2e28c925eP.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:tahoma, arial, sans-serif;font-size:large;font-weight:400;line-height:30px;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin:1.12em 0px;margin-bottom:1.12em;margin-top:1.12em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Ha456cdd0d322410f9634b00a53d43577o.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H32ad47169f1f4659b40747801310ce3f5.png\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H8a3d0f6ec7b54d78a099b997023fc51fv.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"Default Title","offer_id":55420333097259,"sku":"\u003cnone\u003e","price":5.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/H207fd7bb041349ac9e490751ca67cc40J_20f62bb2-f720-4f30-9bca-13fc0a3a237d.webp?v=1788503950","url":"https:\/\/yoeruyo.com\/products\/tm1637-4-bits-digital-led-display-module-for-7-segment-0-36inch-clock-red-anode-tube-four-serial-driver-board-pack-1","provider":"Yoeruyo","version":"1.0","type":"link"}