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WAVGAT AT89C2051 Digital 4 Bits Electronic Clock Electronic Production Suite DIY Kit

Rated 4.5 out of 5

$1.89

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​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.

 

 

 

setting, LED flashes the last one, the last one by S2 plus one, between 0 and 9 cycles, digital the greater the faster the clock, press S1 to confirm the setting and return to the clock display. Set.

 List:

 

 

name

specification

Quantity

serial number

0.25w resistance

4.7K

5

R1.R3-R6

Exclusion

470*9

1

R2

electrolytic capacitor

10uf

1

C1

 

100UF

1

C4

ceramic capacitor

30p

2

C2, C3

 

104

1

C5

diode

IN4007

2

D1, D2

Nixie tube

0.4"

1

DS1

crystal oscillator

12HMz

1

T1

key switch

6*6

2

S1, S2

audion

8550

1

Q1

singlechip

AT89C2051

1

V1

socket

DIP20

1

 

buzzer

5V

1

V2

terminal

KF126-2P

1

J1

circuit board

 

1

 

 

 

 

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Package Included:

1 x AT89C2051 Digital 4 Bits Electronic Clock Electronic Production Suite DIY Kit

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Supply Voltage:

..

Condition:

New

Model Number:

4 Bits Electronic Clock Electronic

Brand Name:

WAVGAT

Operating Temperature:

..

is_customized:

Yes

Dissipation Power:

..

Application:

electronic module

Package:

Module

Type:

electronic module

:

SHIPPING AND DELIVERY

We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.

REFUNDS & RETURNS POLICY

Order cancellation

All orders can be cancelled until they are shipped. Once the packaging and shipping process has started, it can no longer be cancelled.