Geekcreit Upgrade DIY EC1515B DS1302 Light Control Rotation LED Electronic Clock Kit Size 81x81x2mm

$15.95
Here is the instruction ! Here is the case link for this clock  ID: 1053594 Product ID 1013812 : Date, time, temperature by turns display and. Alarm clock function, the whole point timekeeping and music alarm function. Pioneered light control , There are eight options for the Chime ringtone and...
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1053190

Here is the instruction !

Here is the case link for this clock  ID: 1053594

Product ID 1013812 : Date, time, temperature by turns display and. Alarm clock function, the whole point timekeeping and music alarm function. Pioneered light control , There are eight options for the Chime ringtone and Alarm clock Alarm. A variety of colors LED optional.

There are 8 kinds of LED:

Blue digital tube+ Red & Blue LED with housing
Blue digital tube+ Red & Green LED with housing
Blue digital tube+ Red & Blue LED without housing
Blue digital tube+ Red & Green LED without housing
Red digital tube+ Red & Blue LED with housing
Red digital tube+ Red & Green LED with housing
Red digital tube+ Red & Blue LED without housing
Red digital tube+ Red & Green LED without housing
Green digital tube+ Red & Blue LED with housing       
Green digital tube+ Red & Green LED with housing     
Green digital tube+ Red & Blue LED without housing    
Green digital tube+ Red & Green LED without housing

Description:
 
Size:
With       housing: 93 x 93 x 26 mm

Without housing:  81 x 81 x 2 mm
PCB thickness: 1.6 mm
Materials: FR4 military level
Operating voltage: DC5V

Note:

The color of the new case is blue as follwing picture, which is not affect the function.



 
Function: 
 
Alarm clock: You can set the alarm for the length of time, and the music
The whole point timekeeping: You can set the whole point of timekeeping, and the music
 
There are 7 kinds of music you can set:
 
A. "D""D""D""D" ( Default alarm tone ) 
B. Broadcast timekeeping ( The whole point timekeeping default ringtone )
C. Jasmine ( Chinese music )
D. For Elise 
E. Kanon
F. Give a little Time to Your Love ( Richard Clayderman)
G. BBK  ( Chinese music )
 
Welding note:
 
1, P1 for the development of the interface, not welding.
2, component identification:
Components with no positive or negative polarity: Resistance (R1~R15) , Thermistor(RT1), Ceramic capacitors
( C4 , C5 ), Monolithic capacitor (C2 , C3 ), Crystal oscillator (Y1) , Keys (S1, S2).
Distinguishing positive and negative element:LED(D1~D60),Battery seat(BT1),Electrolytic capacitor(C1),
Buzzer(LS1),These element should be noted that the positive and negative poles of the circuit board are to be noted.
Other multi pin element:IAP15W413AS ( U1), DS1302( U2), S8550( Q1 ), Block USB (USB1), These 
element should be noted in the same direction as the circuit board.
3,Positive welding LED, digital tube, Thermistor, and other components of the welding in the back.
4,LED has two colors, the less number of color welding in a large number of corresponding position, and the rest of the 
location of a number of more than one color.
5,U2, C4, C5, Y1, BT1 must be welded before the digital tube, pay attention to the points on the digital tube.
6,The working voltage of the kit is 5V, the battery on back is only for the power down save time.

Schematic circuit:



 
Package included:
 
1 x Upgrade DIY EC1515A DS1302B Rotation LED Electronic Clock Kit 51 Learning Board
 
 












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