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DIY Kits AT89C2051 Electronic Clock Digital Tube LED Display Suite Electronic Module Parts and Components DC 9V - 12V
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Home Electronics DIY Kits AT89C2051 Electronic Clock Digital Tube LED Display Suite Electronic Module Parts and Components DC 9V – 12V
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Outdoor military tactical handgun holster hunting thigh holster right-handed Colt 1911 handgun holster leg holster air gun
Outdoor military tactical handgun holster hunting thigh holster right-handed Colt 1911 handgun holster leg holster air gun $149.86

DIY Kits AT89C2051 Electronic Clock Digital Tube LED Display Suite Electronic Module Parts and Components DC 9V – 12V

$28.19

3450 in stock

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Description

Note
IT IS KITS ONLY. That is to say, all items are not welded on the pcb board. Buyers have to weld them on the pcb board by themselves.
ONLY for professionals. Kits assembled is not a very complex work but if you are not professional, item might get broken. We cannot offer the warranty for incorrect welding and assembling.
Features
1. Working voltage: DC 5V-12V
2. Recommend voltage: DC 9V
3. Recommend battery: CR2032 (3V)
4. Working current: 35mA
5. PCB Dimension: 90MM * 70MM
Description
1, 89C2051 digital clock kit, control chip AT89C2051, digital control using three two common male red LED digital tube display high definition brightness, because the scan is displayed, so that each digital control abcdefg each foot with a bus in parallel, change the resistance value R4-R10 can change the display brightness.
2, S1 button is used to calibrate the time, press and hold for more than two seconds to enter the calibration time status and exit quickly tap for adjusting the time value.
3, the circuit has added a 3V battery backup, power outage AT89C2051 using spare batteries, the clock does not stop, but digital is not displayed after the call backup battery out of action, AT89C2051 uses an external power supply, the digital tube display properly. So you can add a power switch, turn off the power when they go out, come back out again, the normal display, to achieve the purpose of saving electricity.
4, time accurate.

Shipping & Delivery

At Rufta LLC, we’re committed to delivering your purchases quickly and securely. Below you’ll find all the information you need about our shipping process to ensure a smooth shopping experience.

1. Order Processing Time

We process all orders within 1–2 business days (Monday–Friday), excluding holidays. After your order is processed, you will receive an email notification with tracking information.

  • Processing Time: 1–2 business days

  • Order Cut-off Time: Orders placed before 2 PM EST will be processed the same day. Orders placed after 2 PM will be processed the next business day.

2. Shipping Methods & Estimated Delivery Times

We offer several shipping options to suit your needs. Delivery times will vary based on your shipping method and location:

  • Standard Shipping (3–5 business days) – $5.99

  • Expedited Shipping (1–3 business days) – $12.99

  • Overnight Shipping (Next business day) – $19.99

Note: Delivery times may vary slightly due to factors beyond our control, such as weather or postal delays. We appreciate your patience and understanding.

3. Shipping Costs

Shipping costs are calculated based on the weight of your order and delivery location. Here’s an overview of the cost structure:

  • Free Shipping on orders over $50 within the United States.

  • Flat-Rate Shipping: $5.99 for standard shipping to U.S. addresses.

International Shipping:
Shipping costs for international orders will be calculated at checkout based on your delivery address and order weight.

4. International Shipping

We are happy to offer international shipping to select countries. Shipping costs and delivery times will be determined during checkout.

  • Customs Fees & Duties: International customers are responsible for any customs duties, taxes, or fees imposed by their country. These charges are assessed by your local customs office and will be due upon delivery.

  • International Delivery Times: International shipping typically takes 5–14 business days, depending on your location.

5. Order Tracking

Once your order is shipped, you will receive a tracking number via email. You can use this number to track your package on the carrier’s website and get real-time updates on your order’s status.

6. Lost or Damaged Packages

We take every precaution to ensure that your package arrives safely, but in the rare event that something goes wrong:

  • Lost Packages: If your package has not arrived within 7 days of the estimated delivery date, please contact us at info@ruftallc.com and we will investigate the issue.

  • Damaged Packages: If your package arrives damaged, please take a photo of the damage and send it to us at info@ruftallc.com within 5 days of receiving your order. We will resolve the issue promptly.

7. Returns & Exchanges

If you are not fully satisfied with your purchase, we offer a straightforward return and exchange process. Please visit our [Returns & Exchanges Page] for detailed instructions, or reach out to us at info@ruftallc.com.


Why Shop With Us?

  • Fast & Reliable Shipping: We strive to process and ship all orders quickly.

  • Secure Packaging: Your items will be carefully packaged to ensure safe delivery.

  • Customer Service: We’re here to help! If you have any questions, feel free to contact us at info@ruftallc.com.

Thank you for choosing Rufta LLC—we appreciate your business and look forward to serving you again soon!

SKU: 3256809299302376 Category: Electronics
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