AT89C2051 Digital 4 Bits Electronic Clock Electronic Production Suite DIY Kit Learing Kit for Arduino
Original price was: $695.00.$94.00Current price is: $94.00.
Price: 6,95 - 0,94
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.
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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Original price was: $695.00.$94.00Current price is: $94.00.
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