{"product_id":"linkmejor-components-soldering-practice-test-kit-300-pieces-led-circuit-board-fr-4-pcb-material-sequential-flashing-dc9v-multilayer-electronics-training","title":"Components Soldering Practice Test Kit 300 Pieces LED Circuit Board FR-4 PCB Material Sequential Flashing DC9V Multilayer Electronics Training","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;\"\u003eSpecifications:\u003c\/span\u003e\u003c\/b\u003e\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\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 12px; background-color: rgb(255, 255, 255);\"\u003e\u003cfont color=\"#ff0000\"\u003eNote: This is a DIY kit and you will need to solder.\u003c\/font\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px;\"\u003eFeatures:\u003c\/span\u003e\u003c\/b\u003e\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\u003e\u003cbr\u003e\u003cb\u003e\u003cspan style=\"font-size: 18px;\"\u003ePackage Included:\u003c\/span\u003e\u003c\/b\u003e\u003cbr\u003e1 x SMD Components Soldering Practice Test Kit\u003c\/p\u003e","brand":"LinkMejor","offers":[{"title":"Default Title","offer_id":49119951716577,"sku":"BG-2039190","price":12.99,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/9317\/8849\/files\/159a923b-7594-4537-bc23-e6fb78ea22de.jpg?v=1789396373","url":"https:\/\/ontproduct.com\/products\/linkmejor-components-soldering-practice-test-kit-300-pieces-led-circuit-board-fr-4-pcb-material-sequential-flashing-dc9v-multilayer-electronics-training","provider":"IvySource","version":"1.0","type":"link"}