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eBay Visit store Items for sale About us Product Details Overview Using a 14-level binary counter with internal oscillation circuit CD4060 as a control chip to control the 12 red, yellow and green L print D flashes, adjust R3 can change the LED flashes fast and slow, while the music chip drive buzzer music. In the circuit, resistors R1, R2, R3 and electrolytic capacitor C4 CD4060 RC oscillation peripheral circuit, change R3 can change the frequency of the oscillation circuit. CD4060 internal pulse counting of the oscillation signal, counting results from the Q4-Q14 pin output different counting values correspond to different outputs.CD4060 feet for the reset terminal, high level reset. The circuit selected Q5-06 three outputs, when the pin outputs a low level, and the connection of the transistor conduction, connected to the transistor emitting school LED light. When Q5-07 are high, D2-D4 cutoff, a high level on the RST, CD4060 12-pin input high level reset, reset outputs are all 0, so that all the D2-D4 conduction, RST into a low level again from 0 to start counting, and so on. Features 1.This kit is a combination of SMD and direct insert components of the music color light electronic kit, composed of high quality electronic components, the product performance is stable, long service life. 2. High-quality glass fiber board, PCB board directly printed with the logo of the components, wiring is reasonable, the layout of the components is compact, easy to weld. 3. CD4060 is used as the control chip, the music chip sends out music after power on, easy to use. 4.CD4060 control red, yellow and green LEDs to follow the music flashes, adjust the potentiometer to adjust the speed of the LED flashes. 5. The kit can be used for basic electronic technology and skills teaching training, electronic skills teaching, electronic technology teaching, digital circuit teaching, electronic enthusiasts, beginners training, to enhance the overall practical ability. Specification Name:SMD music color light experiment kit Material:FR-4 glass fiber board Chip: CD4060 Voltage:DC4.5-5V Size: 75mm*45mm Potentiometer:Adjust the speed of the LED lights flashing Use:This kit can be used as a related professional teaching practice role and related professionals to use List 1 x diy Kit （it’s not finished board） Note: This product needs to be soldered by the customer! Payment Method Shipping Policy Returns & Refund Policy Feedback Payment Method EBAY Managed Payment. But we only Accept your Ebay Address, please Make sure it’s 100% right. Payment must be received in 5 business days of auction closing. Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order. Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched. Shipping Policy 1. We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand. 2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders. 3. All package need to wait 30 days,Please take care it.Less than 30 days,we can’t take a refund. Returns & Refund Policy All package need to wait 30 days(US only need 7-10 days),Please take care it.Less than 30 days,we can’t take a refund. If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please keep in touch with us and double check the return address before you return it. If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item. Feedback We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you keep in touch with us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.
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