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5PCS Digital 4 Bits AT89C2051 Electronic Clock Electronic Production DIY Kits, US $77 – Picture 0
5PCS Digital 4 Bits AT89C2051 Electronic Clock Electronic Production DIY Kits, US $77 – Picture 0

5pcs Digital 4 Bits At89c2051 Electronic Clock Electronic Production Diy Kits

US $77

  • ShenZhen, China
  • May 30th
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Home Electronic Component Chips Sensor Arduino Module Raspberry Pi 5PCS Digital 4 Bits AT89C2051 Electronic Clock Electronic Production DIY Kits       Features: AT89C2051-based of four electronic clock kit Kit Model: YSZ-4 Supply voltage: 3V-6V PCB Size: 52mm * wide 42mm Function: 1. Seconds correction (for precise School) 2. Switch to every minute independent display interface 3. whole point of time (8-20 o\'clock chime can be turned off) 4. Two alarm settings (you can turn off the alarm function) Kit Features: A. 0.56 inch special red digital clock for display; B. Import AT89C2051 for master chip; C.1.2mm thick PCB made from military grade FR-4 board; D. accurate travel time, travel time error range error -1 to +1 seconds every 24 hours.           Package Included:    5 x AT89C2051 Digital 4 Bits Electronic Clock Electronic Production Suite DIY Kit   Payment Shipping Refund We accept PayPal only. 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. We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.   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 contact 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. On May-30-16 at 06:16:56 PDT, seller added the following information:

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