{"title":"Soldering Kits","description":"\u003cp\u003eEverything you need to get started with soldering. Our soldering kits include quality components, clear instructions, and all the essentials for a smooth build experience.\u003c\/p\u003e","products":[{"product_id":"light-sensitive-mobile-robot-kit","title":"Light-Sensitive Mobile Robot Kit","description":"\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Age:\u003c\/strong\u003e 14+\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDifficulty Level:\u003c\/strong\u003e 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEstimated Build Time:\u003c\/strong\u003e 3–5 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy This Project Belongs in Your Lab:\u003c\/h2\u003e\n\u003cp\u003eStep into the world of robotics and electronic logic. The Light-Sensitive Mobile Robot Kit combines hands-on assembly with fundamental engineering principles, giving you a front-row seat to how modern technology actually works.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Photosensitive Firefly Kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Firefly Electronic DIY Series\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProject Type:\u003c\/strong\u003e Mobile Robot \u0026amp; Breathing Light Experiment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComponent Type:\u003c\/strong\u003e Precision Welding Parts \u0026amp; Light-Sensitive Sensors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomization:\u003c\/strong\u003e Fully adjustable circuit logic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafety Rating:\u003c\/strong\u003e 100% Non-toxic \/ No high-concern chemicals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFeature:\u003c\/strong\u003e Automatic \"Breathing\" LED effect with light-induction mobility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLight-Induced Intelligence:\u003c\/strong\u003e The robot is equipped with a photoresistor that allows it to react to its surroundings. It \"hunts\" for light through automatic movement, making it a perfect introduction to how sensors control mechanical motion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe \"Breathing\" Effect:\u003c\/strong\u003e Unlike harsh, blinking lights, this kit features a \"breathing\" LED tail. The 5mm blue LED fades in and out automatically, giving your creation a pulse that feels remarkably organic.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple, Elegant Circuitry:\u003c\/strong\u003e This is a \"back-to-basics\" kit that focuses on clean circuit design. It’s an ideal project for practicing precise manual soldering on a compact PCB.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Mechanical Design:\u003c\/strong\u003e At just 40mm x 43.2mm, this firefly is built on a sturdy PVC base. It uses a flat 3V motor to crawl across your desk, turning a static piece of hardware into a mobile companion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCircuit Type:\u003c\/strong\u003e Analog sensor-to-motor induction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMobility:\u003c\/strong\u003e Vibration-based \"Firefly\" movement via flat 3V motor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVisuals:\u003c\/strong\u003e Automatic flashing blue LED (Tail Light).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAssembly:\u003c\/strong\u003e Through-hole DIY manual soldering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e Minimalist industrial profile with exposed components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe \"Tuning\" Phase:\u003c\/strong\u003e Once soldered, your firefly’s movement depends on light levels. Test it with a flashlight to watch it \"awaken\" and react to the brightness in your lab.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuild Complexity:\u003c\/strong\u003e Perfect for beginners. Because it uses a single CR2032 battery, it’s a low-voltage, safe project for students and hobbyists alike.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePro Tip:\u003c\/strong\u003e Make sure your solder joints on the photoresistor are clean—this is the \"brain\" of your firefly, and a solid connection ensures the most responsive movement.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Crank Town Kits","offers":[{"title":"black","offer_id":48382041489563,"sku":"14:193#black","price":16.35,"currency_code":"CAD","in_stock":true},{"title":"red","offer_id":48382041522331,"sku":"14:10#red","price":16.35,"currency_code":"CAD","in_stock":true},{"title":"yellow","offer_id":48382041555099,"sku":"14:350850#yellow","price":16.19,"currency_code":"CAD","in_stock":true},{"title":"purple","offer_id":48382041587867,"sku":"14:496#purple","price":16.21,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/3715\/3179\/files\/Sd848dbcb2919446da4876b6a6b9452805.webp?v=1776691006"},{"product_id":"7-pixel-game-console-kit","title":"7 Pixel Game Console Kit","description":"\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Age:\u003c\/strong\u003e 14+\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDifficulty Level:\u003c\/strong\u003e 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEstimated Build Time:\u003c\/strong\u003e 3–5 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy This Project Belongs on Your Workbench:\u003c\/h2\u003e\n\u003cp\u003eStep into the world of robotics and electronic logic. The 7 Pixel Game Console Kit combines hands-on assembly with fundamental engineering principles, giving you a front-row seat to how modern technology actually works.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProject Category:\u003c\/strong\u003e 51 Single-Chip Microcomputer Development \u0026amp; Soldering Practice\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay System:\u003c\/strong\u003e 8x16 High-Density LED Dot Matrix (Red, Green, or Blue)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLogic Controller:\u003c\/strong\u003e 51 Series MCU (SOP Package)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e USB DC5V or 4x 1.5V AAA Batteries (Selectable Input)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustability:\u003c\/strong\u003e 5-Level Brightness Control \/ 2-Level Buzzer Audio\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDifficulty Settings:\u003c\/strong\u003e H (High), N (Normal), E (Simple)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e Integrated 30-Second Auto-Sleep Mode ($\u0026lt;1\\mu A$ standby)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB Dimensions:\u003c\/strong\u003e 70.1mm x 98mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe 51 MCU Architecture:\u003c\/strong\u003e This kit uses the 51 single-chip microcomputer—a foundational processor in embedded systems. You’ll be working with a board that handles complex logic for seven pre-loaded pixel games, including a custom \"Lucky Wheel\" and a creative drawing board mode.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8x16 Visual Engineering:\u003c\/strong\u003e Learn how to drive a dense LED dot matrix. Depending on your choice of circular (red) or square (green\/blue) matrix, you’ll see firsthand how logic gates translate into \"pixelated\" movement and high-speed screen refreshes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHybrid Power Management:\u003c\/strong\u003e Engineered for versatility, the board supports both USB DC5V for lab use and AAA battery power for portability. The power logic is optimized with an ultra-low sleep current ($\u0026lt;1\\mu A$), showcasing professional-grade energy efficiency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSOP Soldering Practice:\u003c\/strong\u003e This kit includes SOP (Small Outline Package) components, providing a critical step up from standard through-hole soldering. It’s the perfect project for makers ready to master surface-mount technology (SMT) and high-density PCB assembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e Integrated tactile directional buttons and mode selectors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAudio:\u003c\/strong\u003e Onboard buzzer with toggleable sound effects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLogic Modes:\u003c\/strong\u003e Supports pause\/start functionality and real-time difficulty adjustment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChassis Options:\u003c\/strong\u003e Available in Transparent, Blue, or Purple industrial shells.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent Draw:\u003c\/strong\u003e Peak ~80mA at 5V (Full display\/audio load).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Power Rule (Critical):\u003c\/strong\u003e While the kit supports both USB and batteries, never use both simultaneously. Choose your input method before powering up to protect the onboard circuitry.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSOP Precision:\u003c\/strong\u003e The surface-mount components require a steady hand and a fine soldering tip. We recommend using a digital microscope or a magnifying helping-hand station (like the one in our shop) to ensure no bridges are formed between the MCU pins.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSoftware Escape:\u003c\/strong\u003e While in-game, you can always exit to the main menu by pressing the Up and Down keys at the same time. This is a standard hardware interrupt designed for seamless mode switching.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Crank Town Kits","offers":[{"title":"Transparent Case Red LED","offer_id":48382043947163,"sku":"14:1202#Red  Transparent","price":33.41,"currency_code":"CAD","in_stock":true},{"title":"Blue Case Red LED","offer_id":48382043979931,"sku":"14:350852#Red Blue","price":35.51,"currency_code":"CAD","in_stock":true},{"title":"Purple Case Red LED","offer_id":48382044012699,"sku":"14:351074#Red Purple","price":35.51,"currency_code":"CAD","in_stock":true},{"title":"Blue Case Blue LED","offer_id":48382044045467,"sku":"14:1254#Blue Blue","price":35.51,"currency_code":"CAD","in_stock":true},{"title":"Transparent Case Blue LED","offer_id":48382044078235,"sku":"14:365458#Blue Transparent","price":35.51,"currency_code":"CAD","in_stock":true},{"title":"Blue Case Green LED","offer_id":48382044111003,"sku":"14:350850#Green Blue","price":36.24,"currency_code":"CAD","in_stock":true},{"title":"Transparent Case Green LED","offer_id":48382044143771,"sku":"14:691#Green Transparent","price":35.51,"currency_code":"CAD","in_stock":true},{"title":"Purple Case Green LED","offer_id":48382044176539,"sku":"14:200004890#Green Purple","price":35.51,"currency_code":"CAD","in_stock":true},{"title":"Purple Case Blue LED","offer_id":48382044209307,"sku":"14:200004889#Blue Purple","price":35.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/3715\/3179\/files\/Gemini_Generated_Image_e7ixcne7ixcne7ix.png?v=1777537860"},{"product_id":"diy-fm-radio-kit","title":"DIY FM Radio Kit","description":"\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Age:\u003c\/strong\u003e 14+\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDifficulty Level:\u003c\/strong\u003e 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEstimated Build Time:\u003c\/strong\u003e 3–5 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy This Project Belongs in Your Lab:\u003c\/h2\u003e\n\u003cp\u003eExperience the satisfaction of creating something extraordinary from scratch. The DIY FM Radio Kit is a precision-cut project designed to challenge your mechanical logic and reward you with a high-quality finished masterpiece.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HU-017B (Upgraded V5.0)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e 87–108MHz (Standard FM Band)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRadio Module:\u003c\/strong\u003e RDA5807s (Integrated Signal Processing)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Amplifier:\u003c\/strong\u003e TDA2822 Integrated Circuit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 8Ohm 0.5W High-Fidelity Speaker\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e DC 3V – 5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Type:\u003c\/strong\u003e 4-Digit LED Tube (Frequency \u0026amp; Signal Strength)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e TQFP Surface-Mount Integration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Signal Precision:\u003c\/strong\u003e The V5.0 features an upgraded search threshold, allowing you to capture weak signals that other DIY kits miss. The digital tube display gives you real-time feedback on both your tuned frequency and your current signal strength.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmart Memory Management:\u003c\/strong\u003e Never lose your station again. This kit includes power-off memory and automated list management, allowing the radio to scan, store, and recall your favorite stations even after the batteries are swapped.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Fidelity Amplification:\u003c\/strong\u003e The power section utilizes the TDA2822 IC, delivering a crisp, loud output through the included 0.5W speaker. It features built-in noise cancellation to ensure your audio remains clear even in interference-heavy environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnergy Efficient Logic:\u003c\/strong\u003e Engineered for the mobile workshop, the HU-017B includes a dedicated power-saving mode and an integrated transparent battery box (optional), ensuring your project looks as clean as it sounds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCircuit Architecture:\u003c\/strong\u003e Combined MCU control with dedicated RF and Audio stages.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVolume Control:\u003c\/strong\u003e 15-Level digital potentiometer adjustment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChassis Design:\u003c\/strong\u003e Professional-grade transparent housing with integrated back cover for a \"clean-build\" aesthetic.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnhancements:\u003c\/strong\u003e Soft-mute logic and bass-boost circuitry for superior audio fidelity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe TQFP Challenge:\u003c\/strong\u003e This kit features a TQFP package, offering a fantastic opportunity to practice fine-pitch soldering. Use a fine-tip iron and a touch of flux to ensure those integrated circuits are seated perfectly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e Once powered on, use the automated search function to populate your station list. You can manually adjust the search threshold if you are in a high-interference area to filter out ghost signals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAntenna Tip:\u003c\/strong\u003e For the best reception in a basement or workshop, ensure your antenna lead is fully extended. The RDA5807s is high-sensitivity, but a clear \"line-of-sight\" to the airwaves always helps.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Crank Town Kits","offers":[{"title":"With case","offer_id":48382044242075,"sku":"14:1254#With case","price":28.42,"currency_code":"CAD","in_stock":true},{"title":"Without case","offer_id":48382044274843,"sku":"14:350852#Without case","price":22.35,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/3715\/3179\/files\/Sf998bc25667b49c391d10682c3ff6cceV.webp?v=1776691010"},{"product_id":"solder-practice-led-kit","title":"Solder Practice LED kit","description":"\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Age:\u003c\/strong\u003e 14+\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDifficulty Level:\u003c\/strong\u003e 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEstimated Build Time:\u003c\/strong\u003e 3–5 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003eExperience the satisfaction of creating something extraordinary from scratch. The Solder Practice LED kit is a precision-cut project designed to challenge your mechanical logic and reward you with a high-quality finished masterpiece.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e DIY Electronics Module\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafety:\u003c\/strong\u003e Lead-free components (No high-concern chemicals)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Source:\u003c\/strong\u003e Not included (Requires a stable 5V DC power supply)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSkill Builder:\u003c\/strong\u003e Perfect for mastering through-hole soldering techniques.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEducational:\u003c\/strong\u003e Ideal for students and makers to visualize circuit behavior.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY Focused:\u003c\/strong\u003e Comes as a complete set of components requiring manual installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple Design:\u003c\/strong\u003e Streamlined architecture to ensure a high success rate for first-timers.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Crank Town Kits","offers":[{"title":"1 Kit","offer_id":48382044831899,"sku":"14:200004889#1pcs oumu diy","price":10.46,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/3715\/3179\/files\/S2486bd4e68054180afee75f6d1d5b9837.webp?v=1776736070"},{"product_id":"touch-sensor-dimming-solder-kit","title":"Touch Sensor Dimming Solder kit","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Age:\u003c\/strong\u003e 14+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty Level:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEstimated Build Time:\u003c\/strong\u003e 3–5 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIntelligent Features\u003c\/h2\u003e\n\u003cp\u003eExperience the satisfaction of creating something extraordinary from scratch. The Touch Sensor Dimming Solder kit is a precision-cut project designed to challenge your mechanical logic and reward you with a high-quality finished masterpiece.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProject Type:\u003c\/strong\u003e DIY Assembly Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e DC 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Chip:\u003c\/strong\u003e SGL8022W Touch Dimmer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Ceramic-based lamp components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e Not included (Requires 5V DC source)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoft-Start Ignition:\u003c\/strong\u003e Light brightness rises gradually to avoid eye irritation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory Function:\u003c\/strong\u003e Automatically remembers your preferred brightness level for the next use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStepless Dimming:\u003c\/strong\u003e Long-press the touch button to dial in the exact brightness you need.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Touch Control:\u003c\/strong\u003e A simple tap (under 0.5s) toggles the power instantly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Polarity:\u003c\/strong\u003e * Lamp (LED): Short pin is Positive (+), Long pin is Negative (-). Electrolytic Capacitor: Short pin is Negative (-), Long pin is Positive (+).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Alignment:\u003c\/strong\u003e When soldering the SGL8022W chip, align the small dot on the chip with the corresponding dot printed on the PCB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFragile Components:\u003c\/strong\u003e The lamp is made of ceramic and is delicate. 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It's the perfect step up from the LED Watch or the LM317 kit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalibration is Key:\u003c\/strong\u003e Once you've finished soldering, you can \"tune\" the sensitivity of the sensors using the onboard potentiometers to ensure your car stays perfectly on the line even at higher speeds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Note:\u003c\/strong\u003e You'll need a standard battery power source (typically 2x AA) to get this moving. 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It’s a minimalist, industrial aesthetic that looks great on any engineer's wrist.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePro-Grade Components:\u003c\/strong\u003e This isn't a \"snap-together\" toy. It’s an insert-component (through-hole) kit designed to sharpen your precision soldering and component placement skills.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustom Time Logic:\u003c\/strong\u003e Want military time? You can toggle between 12-hour and 24-hour displays by shorting specific solder joints on the back of the PCB.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt for Comfort:\u003c\/strong\u003e Once the soldering is done, the module fits into a durable case paired with a flexible, high-grade silicone strap designed for daily wear.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e 0.28-inch Red LED Digital Tube\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Source:\u003c\/strong\u003e 1x CR2032 Button Battery (Not included—grab one before you start!)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStrap Material:\u003c\/strong\u003e Soft-touch Silicone\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCase Dimensions:\u003c\/strong\u003e 50mm (L) x 45mm (W) x 16mm (H)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTotal Length:\u003c\/strong\u003e 260mm (Fits most wrist sizes)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Battery-saving \"Auto-Off\" after 10 seconds of display time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExperience Required:\u003c\/strong\u003e You’ll need basic soldering experience and a steady hand.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOur Guarantee:\u003c\/strong\u003e We ensure all components are in perfect condition before they ship, but the final 100% success rate depends on your assembly and welding skills!\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Pinching:\u003c\/strong\u003e Like our tube clocks, treat the internal module with care during the final casing assembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eView Time:\u003c\/strong\u003e Press any key. 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