ITEM NAME:Electronic Winmill Funny DIY PCB Board and Parts Kit for Practice DIY DC 5V Kit Store category ★Home & Garden ★Crafts ★Business, Office & Industrial ★Outdoor&Sports ★Phones & Accessories ★Children & Baby ★Motors ★Computers/Tablets & Networkin ★Fashion Clothings ★Women's Accessories ★Man's Accessories ★Fishing line ★Fishing Lures ★Health & Beauty ★Electronics ★Electronics Accessories ★Pet Supplies/Accessory ★Jewellery & Watches ★Phones & Accessories ★Toys & Hobbies ★Collectables & Art ★Cameras & Photo ★Video Games & Consoles Sign Up Now ! You may also like Electronic Winmill Funny DIY PCB Board and Parts Kit for Practice DIY DC 5V Kit Product Description 1. Introduction This is a DIY MCU design teaching Electronic windmills kit parts for soldering practice. The circuit is based on MCU control. MCU control different vertical LED lighting, so as to achieve the effect of windmill rotation. The speed of the windmill can be changed by press the buttons. 2. Parameter 1>. Operating voltage: 5V 2>. Work efficiency: adjustable speed 3>. PCB board material: RF--4 high quality circuit board 4>. Size: 40mm*50mm 3. Schematic(see the details in the pictures) 4. Component listing Component Name, PCB Marker, Parameter, QTY Red LED, D1-D19, 3mm, 19 Metal Film Resistor, R1-R4, 1K, 4 Button, S1,S2, 6*6mm, 2 STC15F104EA, U1,DIP-8,1 Male Pin, DC, 2P, 1 PCB, 40*50mm, 1 NOTE:Users can complete the installation by PCB silk screen and component listing Package Included: 1 x PCB board and Components.PCB board material: RF--4 high quality circuit board. This is a DIY MCU design teaching Electronic windmills kit parts for soldering practice. PCB, 40 50mm, 1. The speed of the windmill can be changed by press the buttons.