{"product_id":"diymore-smd-smt-soldering-practice-kit-cd4060-74hc138-15-led-dx-tp12","title":"diymore SMD SMT Soldering Practice Kit, CD4060 74HC138, 15 LED, DX-TP12","description":"\u003ch2\u003e⚡ diymore SMD\/SMT Soldering Practice Kit — CD4060 + 74HC138, 15 LEDs, DX-TP12\u003c\/h2\u003e\u003cp\u003eA full SMD soldering practice board by diymore featuring a CD4060 binary counter and 74HC138 decoder driving 15 LEDs — 7 flickering at different frequencies and 8 in a flowing light sequence. Double-sided fiberglass PCB, tin-plated solder pads, internationally standardized board. Great for training, competitions, and exams.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e⚠️ DIY kit — components require soldering. No after-sales service once assembled. Soldering iron not included.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003e✅ Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFull SMD design — 15 LEDs visually confirm correct soldering!\u003c\/li\u003e\n\u003cli\u003eCD4060 + 74HC138 ICs — binary counting lights and 8-way flowing light effect!\u003c\/li\u003e\n\u003cli\u003e76 components, 240 solder joints — ideal speed training volume!\u003c\/li\u003e\n\u003cli\u003e8 component types — builds broad hands-on familiarity!\u003c\/li\u003e\n\u003cli\u003e10 test points — facilitates fault diagnosis and testing!\u003c\/li\u003e\n\u003cli\u003eCan be repeatedly disassembled and re-soldered for extended practice!\u003c\/li\u003e\n\u003cli\u003eIncludes WORD-format user manual for reference and modification!\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e📋 Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: diymore (Model DX-TP12)\u003c\/li\u003e\n\u003cli\u003eCircuit voltage: 5V DC (4–6V range)\u003c\/li\u003e\n\u003cli\u003eBoard size: 2.3×1.9 in (59×48mm)\u003c\/li\u003e\n\u003cli\u003eBoard thickness: 1.6mm\u003c\/li\u003e\n\u003cli\u003eICs: CD4060 (oscillator + binary counter), 74HC138 (3-to-8 decoder)\u003c\/li\u003e\n\u003cli\u003eLEDs: 7× 0805 SMD + 8× 3528 patch white LED\u003c\/li\u003e\n\u003cli\u003eWeight: 0.49 oz (14g)\u003c\/li\u003e\n\u003cli\u003eOrigin: China\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e📦 Components Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e10× 0603 chip capacitors\u003c\/li\u003e\n\u003cli\u003e10× 0603-4P chip resistor network\u003c\/li\u003e\n\u003cli\u003e2× SOP packaged ICs (CD4060 + 74HC138)\u003c\/li\u003e\n\u003cli\u003e7× 0805 SMD LEDs\u003c\/li\u003e\n\u003cli\u003e15× 0805 chip resistors\u003c\/li\u003e\n\u003cli\u003e10× 1206 chip resistors\u003c\/li\u003e\n\u003cli\u003e14× 0603 chip resistors\u003c\/li\u003e\n\u003cli\u003e8× 3528 patch white LEDs\u003c\/li\u003e\n\u003cli\u003e1× double-sided PCB board\u003c\/li\u003e\n\u003cli\u003eNote: 2.54 test pins optional, not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eComponent colors may vary by batch — does not affect function. DIY assembly requires basic electronics skills. No after-sales service after self-assembly.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Scf37c4bd4b6f404c9d27791cc6a50f8cT.jpg\" style=\"width:100%;height:auto;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S3280b2de6e4441d4a00c767f143358bes.jpg\" style=\"width:100%;height:auto;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sc325944d31544633ba5c1ce69b0640334.jpg\" style=\"width:100%;height:auto;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S63986481837a43968cc23b20404e49adB.jpg\" style=\"width:100%;height:auto;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9a39797c46034a70b5ee631b78bf6a5cL.jpg\" style=\"width:100%;height:auto;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sc1471cbd909146309255d2c820984327t.jpg\" style=\"width:100%;height:auto;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa0acea83cc9742e8833c14796b24299eL.jpg\" style=\"width:100%;height:auto;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf0553ac64f6f449aa3dc9a623d9f5ce65.jpg\" style=\"width:100%;height:auto;\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S5fb356f935d546279aeaaa177059361aO.jpg\" style=\"width:100%;height:auto;\"\u003e\u003c\/p\u003e","brand":"Uncle Pooters","offers":[{"title":"DX-TP12","offer_id":47792850665611,"sku":"14:691#DX-TP12","price":7.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/4243\/3931\/files\/Sc1471cbd909146309255d2c820984327t.webp?v=1782995701","url":"https:\/\/unclepooters.com\/products\/diymore-smd-smt-soldering-practice-kit-cd4060-74hc138-15-led-dx-tp12","provider":"Uncle Pooter's","version":"1.0","type":"link"}