{"product_id":"diy-electronic-kit-digital-tube-calculator-diy-kits-51-microcontroller-training-experiment-welding-practice-accessories","title":"DIY Electronic Kit Digital Tube Calculator DIY Kits 51 Microcontroller Training Experiment Welding Practice Accessories","description":"\u003cdiv id=\"specification\"\u003e\u003c\/div\u003e\u003cdiv id=\"specification_end\"\u003e\u003c\/div\u003e\u003cp\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px;\"\u003eDescription:\u003c\/span\u003e\u003c\/b\u003e\u003cbr\u003e1. Digital tube display calculator production kit, which can realize mathematical calculations of addition, subtraction, multiplication and division\u003cbr\u003e2. You can also convert color ring resistor values. Suitable for welding practice and electronic training\u003cbr\u003e3. For experiments and other purposes, very suitable for DIY enthusiasts\u003cbr\u003e\u003cbr\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px;\"\u003eSpecifications:\u003c\/span\u003e\u003c\/b\u003e\u003cbr\u003eProduct name: HU-054A digital tube display calculator kit\u003cbr\u003ePower supply mode: USB powered 5V or 3V button battery powered, (note the USB and button\u003cbr\u003eThe batteries cannot provide power at the same time, otherwise the button battery will be damaged)\u003cbr\u003eWorking voltage: \u0026gt;2.8V\u003cbr\u003eWorking current: working state: 12mA, sleep state: \u0026lt; 1mA\u003cbr\u003ePCB size: 113x78mm, purely manual measurement, there is an error of 1~2mm\u003c\/p\u003e\u003cp style=\"color: rgb(102, 102, 102); font-family: OpenSans, Arial;\"\u003e\u003cfont color=\"#ff0000\"\u003eNOTE: This is a DIY kit, you need to solder.\u003c\/font\u003e\u003c\/p\u003e\u003cp style=\"color: rgb(102, 102, 102); font-family: OpenSans, Arial;\"\u003e\u003cfont color=\"#ff0000\"\u003eIf you need a shell you need to select (Type: Parts + shell)\u003c\/font\u003e\u003c\/p\u003e\u003cp style=\"\"\u003e\u003cfont color=\"#ff0000\" style=\"\"\u003e\u003cfont face=\"OpenSans, Arial\"\u003e\u003ca href=\"http:\/\/myosuploads3.banggood.com\/products\/20240430\/20240430011215HU-054A.pdf\" target=\"_blank\" style=\"background-color: rgb(255, 198, 156);\"\u003e\u0026gt;\u0026gt;\u0026gt;Manual: Click here to open\u0026lt;\u0026lt;\u0026lt;\u003c\/a\u003e\u003c\/font\u003e\u003cfont color=\"#666666\" face=\"OpenSans, Arial\"\u003e\u003cbr\u003e\u003c\/font\u003e\u003c\/font\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px;\"\u003eFeatures:\u003c\/span\u003e\u003c\/b\u003e\u003cbr\u003e1. Composed of special circuit board, digital tube, microcontroller, buttons and other components\u003cbr\u003e2. Perform addition, subtraction, multiplication, and division operations, supporting up to 6-digit calculations, and the calculation results exceed\u003cbr\u003eIf the 6-digit number is a decimal, only the first 6 digits will be displayed. If it is an integer, the first 6 digits will be displayed.\u003cbr\u003eWill be expressed using scientific notation, the maximum number is 9.99x1011\u003cbr\u003e3. Color ring resistance conversion, supports 4-ring resistance and 5-ring resistance, and the maximum calculation range is small\u003cbr\u003eWithin 4KM, the accurate calculation range is less than 1M, and it will be automatically recognized based on the number of input colors.\u003cbr\u003e4-ring resistor or 5-ring resistor\u003cbr\u003e4. Enter sleep mode by pressing the button to reduce power consumption\u003cbr\u003e5. 6-digit precision\u003cbr\u003e\u003cbr\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px;\"\u003ePackage Includes:\u003c\/span\u003e\u003c\/b\u003e\u003cbr\u003e1x Parts Kit\u003cbr\u003e1x Shell(Optional)\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"594\" height=\"278\" style=\"width: 445.52pt;\"\u003e\n \u003ccolgroup\u003e\n\u003ccol width=\"381\" style=\"width:285.75pt;\"\u003e\n \u003ccol width=\"153\" style=\"width:115.20pt;\"\u003e\n \u003ccol width=\"59\" style=\"width:44.75pt;\"\u003e\n \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"18\" style=\"height:13.50pt;\"\u003e\n  \u003ctd class=\"et2\" height=\"18\" width=\"381\" x:str=\"\" style=\"height:13.50pt;width:285.75pt;\"\u003e\u003cspan class=\"font0\"\u003e\u003cb\u003eComponent Name\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et3\" width=\"153\" x:str=\"\" style=\"width:115.20pt;\"\u003e\u003cspan class=\"font0\"\u003e\u003cb\u003eComponent Symbol\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et4\" width=\"59\" x:str=\"\" style=\"width:44.75pt;\"\u003e\u003cspan class=\"font0\"\u003e\u003cb\u003eQuantity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr height=\"20\" style=\"height:15.00pt;\"\u003e\n  \u003ctd class=\"et5\" height=\"20\" x:str=\"\" style=\"height:15.00pt;\"\u003e\u003cspan class=\"font0\"\u003eIn-line monolithic capacitor 105\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et6\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003eC1\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et7\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003e1\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr height=\"20\" style=\"height:15.00pt;\"\u003e\n  \u003ctd class=\"et2\" height=\"20\" x:str=\"\" style=\"height:15.00pt;\"\u003e\u003cspan class=\"font0\"\u003e1220# Button Cell Holder\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et8\" x:str=\"\"\u003eBT1\u003c\/td\u003e\n  \u003ctd class=\"et9\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003e1\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr height=\"20\" style=\"height:15.00pt;\"\u003e\n  \u003ctd class=\"et2\" height=\"20\" x:str=\"\" style=\"height:15.00pt;\"\u003e\u003cspan class=\"font0\"\u003eTactile Switch\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et10\" x:str=\"\"\u003e\u003cspan class=\"font0\"\u003eKEY1-KEYI7\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et11\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003e17\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr height=\"20\" style=\"height:15.00pt;\"\u003e\n  \u003ctd class=\"et2\" height=\"20\" x:str=\"\" style=\"height:15.00pt;\"\u003e\u003cspan class=\"font0\"\u003eAndroid charging port\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et12\" x:str=\"\"\u003eP1\u003c\/td\u003e\n  \u003ctd class=\"et9\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003e1\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr height=\"20\" style=\"height:15.00pt;\"\u003e\n  \u003ctd class=\"et13\" height=\"20\" x:str=\"\" style=\"height:15.00pt;\"\u003e3-digit digital tube Common anode red\u003c\/td\u003e\n  \u003ctd class=\"et7\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003eP4, P5\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et7\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003e2\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr height=\"20\" style=\"height:15.00pt;\"\u003e\n  \u003ctd class=\"et2\" height=\"20\" x:str=\"\" style=\"height:15.00pt;\"\u003e\u003cspan class=\"font0\"\u003eSTC Microcontroller DIP28\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et14\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003eU1\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et9\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003e1\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr height=\"20\" style=\"height:15.00pt;\"\u003e\n  \u003ctd class=\"et2\" height=\"20\" x:str=\"\" style=\"height:15.00pt;\"\u003e\u003cspan class=\"font0\"\u003eIC Socket28P\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et14\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003eU1\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et9\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003e1\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr height=\"20\" style=\"height:15.00pt;\"\u003e\n  \u003ctd class=\"et2\" height=\"20\" x:str=\"\" style=\"height:15.00pt;\"\u003e\u003cspan class=\"font0\"\u003eCR2032 Button Battery 3V\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et15\"\u003e\u003cfont color=\"#ff0000\"\u003eNot includes\u003c\/font\u003e\u003c\/td\u003e\n  \u003ctd class=\"et9\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003e1\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr height=\"20\" style=\"height:15.00pt;\"\u003e\n  \u003ctd class=\"et16\" height=\"20\" width=\"381\" x:str=\"\" style=\"height:15.00pt;width:285.75pt;\"\u003e\u003cspan class=\"font0\"\u003eButton cap 10*10*5.6 Transparent cap 11.8*11.8*3.9\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et15\"\u003e\u003c\/td\u003e\n  \u003ctd class=\"et11\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003e17\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr height=\"20\" style=\"height:15.00pt;\"\u003e\n  \u003ctd class=\"et5\" height=\"20\" x:str=\"\" style=\"height:15.00pt;\"\u003e\u003cspan class=\"font0\"\u003eShell\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et15\" x:str=\"\"\u003e\u003cfont color=\"#ff0000\"\u003eOptional\u003c\/font\u003e\u003c\/td\u003e\n  \u003ctd class=\"et7\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003e1\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr height=\"20\" style=\"height:15.00pt;\"\u003e\n  \u003ctd class=\"et5\" height=\"20\" x:str=\"\" style=\"height:15.00pt;\"\u003e\u003cspan class=\"font0\"\u003eScrew package\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et15\"\u003e\u003c\/td\u003e\n  \u003ctd class=\"et7\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003e1\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr height=\"20\" style=\"height:15.00pt;\"\u003e\n  \u003ctd class=\"et5\" height=\"20\" x:str=\"\" style=\"height:15.00pt;\"\u003e\u003cspan class=\"font0\"\u003eCircuit Board\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et15\"\u003e\u003c\/td\u003e\n  \u003ctd class=\"et7\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003e1\u003c\/span\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr height=\"20\" style=\"height:15.00pt;\"\u003e\n  \u003ctd class=\"et5\" height=\"20\" x:str=\"\" style=\"height:15.00pt;\"\u003e\u003cspan class=\"font0\"\u003eKey Stickers\u003c\/span\u003e\u003c\/td\u003e\n  \u003ctd class=\"et15\"\u003e\u003c\/td\u003e\n  \u003ctd class=\"et7\" x:str=\"\"\u003e\u003cspan class=\"font1\"\u003e1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"LinkMejor","offers":[{"title":"Default Title","offer_id":49120452608225,"sku":"BG-2011149","price":8.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/044eeb86-2441-41b0-acc8-1166765d538a.jpg?v=1789396694","url":"https:\/\/ontproduct.com\/products\/diy-electronic-kit-digital-tube-calculator-diy-kits-51-microcontroller-training-experiment-welding-practice-accessories","provider":"IvySource","version":"1.0","type":"link"}