AT89C2051 Digital 4 Bits Electronic Clock Electronic Production Suite DIY Kit

$7.39

99783 in stock

Sold By: Takenzone.com
SKU: 32999296177 Category:

Description

  • Operating Temperature: 
  • Supply Voltage: 
  • Model Number: Model Number:
  • Brand Name: XiangYangWei
  • Condition: New
  • Dissipation Power: 
  • is_customized: Yes
  • Type: Voltage Regulator
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:IMG_1754IMG_1759IMG_1758IMG_1760IMG_1756

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

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