AT89C2051 Digitális 4 bites elektronikus óra Electronic Production Suite barkácskészlet

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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 056 inch special red digital clock for display;
B Import AT89C2051 for master chip;
C12mm 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
025w resistance

47K

5

R1R3-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

04"

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

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