{"product_id":"smd-components-soldering-practice-test-kit-300-pieces-led-circuit-board-fr-4-pcb-material-sequential-flashing-dc9v-multilayer-el","title":"SMD Components Soldering Practice Test Kit 300 Pieces LED Circuit Board FR-4 PCB Material Sequential Flashing DC9V Multilayer El","description":"\u003csection data-tufzen-geo-summary=\"v1\" class=\"tufzen-product-summary\"\u003e\u003ch2\u003eProduct Summary\u003c\/h2\u003e\n\u003cp\u003eSMD Components Soldering Practice Test Kit 300 Pieces LED Circuit Board FR-4 PCB Material is a soldering and rework tool selected for soldering, desoldering, spot welding and board repair tasks. It is suitable for PCB repair users, makers and electronics assembly workflows who need practical electronics hardware for reliable project work.\u003c\/p\u003e\n\u003ch3\u003eBest For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003esoldering, desoldering, spot welding and board repair tasks\u003c\/li\u003e\n\u003cli\u003ePCB assembly, battery pack work and repair bench setups\u003c\/li\u003e\n\u003cli\u003eElectronics testing, repair, prototyping and maker workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWho is this product for?\u003c\/strong\u003e It is intended for PCB repair users, makers and electronics assembly workflows.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I check before buying?\u003c\/strong\u003e Review the product options, specifications, included accessories and compatibility details on this page.\u003c\/p\u003e\u003c\/section\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cmeta http-equiv=\"Content-Type\" charset='gb2312\"' content=\"text\/html\"\u003e\n\u003cmeta name=\"viewport\" content=\"width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no\"\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Hc07ed9143a3e4bfc98be5e00389dc77c0.webp?v=1770632048\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-smd-components-soldering-practice-test-kit-300-pieces-led-circuit-board-fr-4-pcb-1.webp?v=1779201353\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003c\/div\u003e\n\u003cp\u003eSpecifications:\u003cbr\u003eProduct Name: SMD Components Soldering Practice Test Kit\u003cbr\u003ePCB Material: FR-4 PCB Board\u003cbr\u003ePCB Size: 145mm x 100mm\u003cbr\u003ePower Supply: DC9V Input\u003cbr\u003eTarget Audience: Beginner-level SMD soldering practitioners\u003cbr\u003eComponents Used: Common and standard surface-mount device (SMD) components\u003cbr\u003eFeatures:\u003cbr\u003e1. 12 Independent Circuits for LED Testing\u003cbr\u003eEach kit includes 12 sets of 8 LEDs controlled by two chips (74HC573 and 74HC164). This enables users to identify soldering quality and functionality through LED flashing and sequential illumination patterns.\u003cbr\u003e2. Step-by-Step Visual Feedback\u003cbr\u003eDuring operation, the LEDs perform sequential flashing and steady lighting checks. This progressive testing ensures beginners can easily identify errors caused by soldering issues like virtual solder joints.\u003cbr\u003e3. High-quality FR-4 PCB Construction\u003cbr\u003eThe FR-4 grade PCB offers reliable electrical insulation and efficient heat resistance, making it ideal for training and testing in various environments.\u003cbr\u003e4. Compact and Beginner-Friendly Design\u003cbr\u003eWith a modest size of 145mm x 100mm, this kit is designed to fit comfortably on workbenches while maintaining a structure suitable for basic soldering exercises.\u003cbr\u003e5. Comprehensive Circuit Design\u003cbr\u003eThe kit features a stable AC6V-DC9V power supply system equipped with diodes and capacitors that simplify the learning process for soldering and circuit assembly skills.\u003cbr\u003ePackage Included:\u003cbr\u003e1 x SMD Components Soldering Practice Test Kit\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Ha9bef3febd6b4a0789156b168797a765X.webp?v=1770632048\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Scdfcc31e14d84b8eb15c7ba7ffe750a9H.webp?v=1770632048\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Sc9ec2eb552fa4788929e57ab7808938a5.webp?v=1770632048\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S775cea07cc904a5a8158a85b16d47d0f9.webp?v=1770632048\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S6044dd21cdf046f48360b02036d2d526K.webp?v=1770632048\" alt=\"\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-smd-components-soldering-practice-test-kit-300-pieces-led-circuit-board-fr-4-pcb-2.webp?v=1779201353\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-smd-components-soldering-practice-test-kit-300-pieces-led-circuit-board-fr-4-pcb-3.webp?v=1779201353\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-smd-components-soldering-practice-test-kit-300-pieces-led-circuit-board-fr-4-pcb-4.webp?v=1779201353\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-smd-components-soldering-practice-test-kit-300-pieces-led-circuit-board-fr-4-pcb-5.webp?v=1779201353\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-smd-components-soldering-practice-test-kit-300-pieces-led-circuit-board-fr-4-pcb-6.webp?v=1779201353\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-smd-components-soldering-practice-test-kit-300-pieces-led-circuit-board-fr-4-pcb-7.webp?v=1779201353\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-smd-components-soldering-practice-test-kit-300-pieces-led-circuit-board-fr-4-pcb-8.webp?v=1779201353\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003c\/p\u003e","brand":"SMD","offers":[{"title":"Basic Kit","offer_id":47347481215234,"sku":"12000052954872694","price":12.05,"currency_code":"USD","in_stock":true},{"title":"With Battery Holder","offer_id":47347481248002,"sku":"12000052954872695","price":13.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/Scdfcc31e14d84b8eb15c7ba7ffe750a9H.webp?v=1770632048","url":"https:\/\/proengi.com\/products\/smd-components-soldering-practice-test-kit-300-pieces-led-circuit-board-fr-4-pcb-material-sequential-flashing-dc9v-multilayer-el","provider":"PROENGI","version":"1.0","type":"link"}