AT89C2051 Digital 4/6 Bits Electronic Clock Electronic Production Suite Kits
4-Bits
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.
6-Bits
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.
we gurantee all items on the following listing included.
ONLY for professionals. kits assembled is not a very complex work but
if you are not professional, item maybe get broken.
we cannot offer the warranty for incorrect welding and assembling.


Features:

1.Working voltage：DC6-12V
2.Recommend voltage：DC5V
3.Recommend battery：CR2032 (3V)
4.Working current：35mA
5.Standby current：1.2mA

Package included:

1PCS X 4 bits/6 bits(DIY Kits)

We only accept payment through Paypal.
Items will go to post within 1-2 business days after payment confirmed.

If you can't receive the product within 2 months (60 days), please contact with us,we promise to payback 100% of your money.
We ensure our products work normally before post.If the products is broken before arrival to you,all you should do is taking a photo to show us our broken product.We promise to payback 100% of your money.

1. We ship to Worldwide.
2. We only ship to confirmed PAYPAL address; your PAYPAL address must match your Shipping address.
3. Any non-received items caused by invalid address registered on PayPal are not in our full refund or replacement policy. Shipping fee has including the local handing and packaging fee.
4. All the items will be shipping within 1-2 working days after receiving the payment, except some holidays.
5. We will not be responsible for any custom delay or tax, because transit time is highly depended and provided by postal Service.
6. If you have any problem, please contact us via message, we will reply message within 1-2 working days, please wait for patient.

DataCaciques