{"product_id":"led-chaser-soldering-kit-pcb-board-with-81-leds-soldering-skill-training-practice-kit-for-stem-electronics-school-learning-project-diy","title":"LED Chaser Soldering Kit, PCB Board with 81 LEDs, Soldering Skill Training\/Practice Kit for STEM Electronics School Learning Project DIY","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e【Soldering Skill Training】Designed specifically for beginners to practice through-hole soldering techniques. The high-quality PCB board features clearly marked component positions and polarity indicators, making it easy to identify resistor, capacitor, and LED placements. Ideal for students, hobbyists, and anyone looking to improve their soldering precision and speed.\u003c\/li\u003e\n\u003cli\u003e【Complete STEM Learning Project】More than just a soldering kit - this is a comprehensive electronics education tool. Learn fundamental circuit concepts including oscillator circuits, counter ICs (CD4017), timer chips (NE555), and potentiometer control. Includes detailed English instruction manual with step-by-step assembly guide and circuit theory explanation.\u003c\/li\u003e\n\u003cli\u003e【Power supply】USB or batter, working voltage range is DC 4.5-9V. The device comes with a USB power cable, allowing it to be powered through a standard USB port. Alternatively, if you prefer to use it on the go, you can solder a battery case and install a battery to power it\u003c\/li\u003e\n\u003cli\u003e【Versatile Applications \u0026amp; Perfect Gift】Use as a soldering trainer, desk decoration, mood lighting, or teaching demonstration tool. Great for electronics classes, maker spaces, science fairs, and home education. Makes an excellent gift for teens, engineering students, DIY enthusiasts, and anyone interested in learning practical electronics skills. Finished size: compact and portable for display anywhere.\u003c\/li\u003e\n\u003cli\u003eWarm Tips : It is important to ensure that all components are correctly placed in the right direction and check whether pseudo and floating solder when completed soldering. Before soldering the LEDs, it’s recommended to use a multimeter to check if there are any LEDs that are not bright\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brand: AKEYSRC","offers":[{"title":"Default Title","offer_id":52152277369120,"sku":"B0GK9CZ7Y2","price":18.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1006\/7682\/9472\/files\/61r3H6eIO3L.jpg?v=1785955337","url":"https:\/\/tinyracer.com\/products\/led-chaser-soldering-kit-pcb-board-with-81-leds-soldering-skill-training-practice-kit-for-stem-electronics-school-learning-project-diy","provider":"TinyRacer","version":"1.0","type":"link"}