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ECL-1227 Green LED Digital Display Date Temperature Display DIY Electronic Clock Electric Calendar Alarm DIY Kit with Shell

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No. Parameter Value
1 Product name Electronic Calendar
2 Model ECL - 1227
3 Display Color Green
4 Working current ≤90 mA
5 Product size 228*160*38 mm
6 Timing error ≤ ± 0.5 seconds/day
7 Working voltage DC9-12V
8 Panel language Chinese / English
9 Dynamic current ≤ 160 mA
10 Net weight 375g
11 Temperature error ≤ ±1 degree

1>. 1 inch large digital tube display time.
2>. 0.5 inch digital tube displays calendar and temperature.
3>. English panel displays.
4>. Second real-time display, adding movement.
5>. One-button switch power saving power.
6>. 50 year super long calendar display.
7>. Real-time temperature display.
8>. Elegant appearance.
9>. The function of bell ring is simulated.
10>. 8 alarm clock, 12 birthday reminder.
11>. 12H/24H, Celsius / Fahrenheit can freely switch.
12>. Loud alarm clock horn.
13>. The back is equipped with a bracket and a hole, which can be mounted on the wall.
14>. Power failure memory, automatic backstage after power failure, no need to set up again.
15>. Mimic the sound of a cuckoo bird.

Install tools you need:
1>. Soldering iron
2>. Multimeter
3>. Solder wire
4>. Iron stand
5>. Diagonal cutting pliers
6>. The screwdriver
7>. Tweezers
8>. Long nose pliers
9>. Suction tin
10>. Cleaning sponge
11>. Screwdriver set

Component List:

NO. Name Parameter QTY
R12.R13.R14.R15 RES 33R 4
R8.R9.R10.R11.R17.R18.R25.R27.R29.R32.R36.R39.R41.R42 RES 100R 15
R24.R26.R28.R30.R31.R33.R34.R37.R47 RES 330R 9
R19. R20. R21. R22 R38. R40. R48 RES 1.5K 7
R35. R44. R45. R46. R48. R51 RES 10K 6
R23 RES 10K ± 1% 1
R1. R2. R3. R4. R5 RES 30K 5
R50.R52 RES 100K 2
R7 RES 390K 1
R6 RES 470K 1
R43 RES 1M 1
RT1 Thermistor NTC 10K 1
CX1. Cl CAP 20pF 2
C3 CAP 181PF 1
C4.C12 CAP 102PF 2
C5 CAP 223PF 1
C2.C6.C9 CAP 104PF 3
C14.C15 E.CAP 1uF 2
C8.C10.C13 E.CAP 10uF 3
C7 E.CAP 470uF 1
D1. D3. D5 Diode IN60 3
D2.D4. D6 Diode IN4007 3
LED1—LED15 LED 5 mm 15+
Q1.Q10.Q14.QI5 Triode S8050 4
Q2. Q3. Q4. Q5. Q6. Q7. Q8. Q9. Q12 Triode S8550 9
SW1—SW7 Key 6*6*5 7
SEG1—SEG4 Digitron 1 inches 4
SBG5--SBG16 Digitron 0.5 inches 12
BAT1 CR2025 CR2025 1
BAT1 Battery holder CR2025 1
SP1 2P Cable 2.54mm*150mm 1
SP1 Speaker socket 2.54nm*2P 1
SP1 Speaker 32ohm 0.25W 1
U2 I.C X7805 1
XI XTAL 32768Hz 1
U1 I.C T2518 1
JK1 Power socket 5.5mm 1
PCB ECL-1227SW 1
Shell A total of ten pieces 1
Panel 188*125mm 1
Plastic column 5mm 5
Sponge 10*5*2mm 3
U2 Screw M3*5 Black 1
U2 Nut M3 1

1>. Check part values & quantities against part list.
2>. Always meter resistor values before soldering.
3>. Understand all part polarities and orientations.

Electronic calendar setting instruction:
1>. Power on, and press the power switch button. At this time, the screen will display normally and ring the bell, and then any button can stop the bell.
2>. Adjust the calendar and time: On the main interface, press the "ENTER" button once, and the "year" of the calendar flicker. This is the time to adjust the year by pressing the button or the button. If you don't need to adjust the year or after adjusting, press “ENTER” button once again to enter the "month" setting. In the same way, to set the year, month, hour and minutes. After setting, press the RETURN key to return to the main interface or the 20-second button to automatically return to the main interface.
3>. Set the ring bell: On the main interface, press the button once, and then the ring light will be lit.
4>. Set the alarm clock and the birthday alarm clock: On the main interface, press the button to enter the alarm clock and the birthday setting. At this time, the temperature shows the "A1" alarm clock, and the time is displayed :--: --, which means hour and minute. Press again light to go to the next alarm clock, a total of A1-- A8 alarm clock. In this state, press the ENTER button, the alarm clock “hour” is flickering, setting the alarm hour by pressing the button or the button. After the setting, press ENTER to set alarm minute. When the alarm clock is set, the icon of the alarm will be lit, indicating that the alarm clock has taken effect.
5>. Cancel the alarm: On the main interface, press the button to enter the alarm screen that you want to cancel, and then press once to make the current alarm display: --:--. That means canceling the alarm clock.
6>. Set up 12H/24H, and the temperature Celsius/Fahrenheit degree:
Set it on the circuit board, and need to unplugging the supply plug and removing the 3V backup battery. Specific methods are as follows:
Find the 12H/24H jumper welding disc on the back of the circuit board, break it into 24 hours, and short connect it to 12 hours. Find Celsius/Fahrenheit jumper wire welding plate, disconnect Celsius and short connect Fahrenheit.After setting up and short circuit with tweezers. The largest capacitance C7 on the circuit is reset after a few seconds to set the setting into effect and then assemble the shell.

Finished Product Picture:

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ECL-1227 Green LED Digital Display Date Temperature Display DIY Electronic Clock Electric Calendar Alarm DIY Kit with Shell

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