{"product_id":"diy-calculator-soldering-kit","title":"DIY Calculator Soldering Kit","description":"\u003ch2\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp\u003eThe DIY Calculator Soldering Kit combines classic arithmetic with electronics engineering skills — solder together a fully working desktop calculator capable of far more than basic maths. It's a rewarding build for students, hobbyists, and electronics enthusiasts who want hands-on soldering practice with a genuinely useful end result.\u003c\/p\u003e\n\u003cp\u003eBeyond standard arithmetic, this calculator can perform square roots, convert between decimal and hexadecimal, and even calculate resistor values directly from colour bands — making it a handy reference tool on any electronics workbench.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: All components shipped unassembled; soldering required.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eFEATURES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFull through-hole soldering kit for a working desktop calculator\u003c\/li\u003e\n\u003cli\u003e7-digit green LED display for clear readouts\u003c\/li\u003e\n\u003cli\u003eStandard arithmetic: addition, subtraction, multiplication, division (with decimals and negative numbers)\u003c\/li\u003e\n\u003cli\u003eSquare root function\u003c\/li\u003e\n\u003cli\u003eDecimal-to-hexadecimal and hexadecimal-to-decimal conversion\u003c\/li\u003e\n\u003cli\u003eBuilt-in 4-ring and 5-ring resistor colour code calculator\u003c\/li\u003e\n\u003cli\u003eTransparent shell shows off the assembled circuit board\u003c\/li\u003e\n\u003cli\u003eAuto power-off after 30 seconds of inactivity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eAPPLICATIONS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSTEM and electronics education in schools and enrichment centres\u003c\/li\u003e\n\u003cli\u003eSoldering practice for beginners and hobbyists\u003c\/li\u003e\n\u003cli\u003eHandy resistor colour code reference tool for the workbench\u003c\/li\u003e\n\u003cli\u003eMaker club and workshop group projects\u003c\/li\u003e\n\u003cli\u003eEveryday calculator with electronics-focused bonus functions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eTECHNICAL DETAILS\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDisplay: 7-digit green LED display\u003c\/li\u003e\n\u003cli\u003eControl Chip: STC8G1K17 + TM1638\u003c\/li\u003e\n\u003cli\u003ePower Supply: 2x AAA batteries (3V)\u003c\/li\u003e\n\u003cli\u003ePower Button: Press and hold [ON] for approximately 1 second\u003c\/li\u003e\n\u003cli\u003eAuto Power-Off: After 30 seconds of inactivity\u003c\/li\u003e\n\u003cli\u003eMaximum Result: Up to 7 digits (including sign)\u003c\/li\u003e\n\u003cli\u003eBase Conversion Range: Decimal (up to 65535) \/ Hexadecimal (up to FFFF)\u003c\/li\u003e\n\u003cli\u003eResistor Conversion Range: 0.10 MΩ – 1000 MΩ\u003c\/li\u003e\n\u003cli\u003eMaterial: PS transparent plastic shell\u003c\/li\u003e\n\u003cli\u003eDimensions: 121mm (L) x 73mm (W) x 28mm (thickness)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eSHIPPING LIST\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x DIY Calculator Soldering Kit (unassembled PCB \u0026amp; components)\u003c\/li\u003e\n\u003cli\u003e1x Transparent Plastic Shell\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TBO","offers":[{"title":"Default Title","offer_id":54297810829625,"sku":"CIR-DIY-040","price":17.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/5369\/6313\/files\/DIY_Calculator_Soldering_Kit_1.jpg?v=1785600520","url":"https:\/\/kuriosity.sg\/products\/diy-calculator-soldering-kit","provider":"Kuriosity","version":"1.0","type":"link"}