LED digital clock Kit, 082V4, Green

Digital LED clock Kit

Description:

24h mode,

Number height: 68mm,

Crystal controlled 32798Hz

Power supply: 5V/200mA

Backed up from a 3V battery in case of failure

Dimensions: 100x40x30mm.

Instructions:

Firstly, assemble all the components, solder them to the printed circuit board. Then check if you

they did not make a mistake, and only then solder the digit LED’s.

1: Solder the Resistors and Capacitors (lower profile parts first), Then the IC sockets and battery holder. Now the Switches.

2: Now the photoresistor, thermistor, and crystal oscillator.

3: Check that all components are installed and there was no error in the installation, whether the components are soldered correctly and whether there is a short circuit somewhere.

4: Install the Numerical LED’s, paying attention to the correct rotation of the numbers. Finally, insert the integrated circuits, The notch on the socket and the IC must point to marks with a notch on the printed circuit board. Insert the lithium battery and connect the 5V power supply

5: Reset: press two keys at the same time for five seconds, then 7:59 will be displayed. It will be displayed after five seconds

8:00 a.m., the reset is done and a buzzer sound will confirm it.

6: Setting the time, alarm clock and hourly chime

a: to set "hours", press the function button (the hour digit and the dot will flash), press + to set

required values

b: to set "minutes", press the function button (the minute digit and the dot will flash), press + to set

required values

c: to set the alarm clock, press the function button (the hour digit will flash, but the dot will not), press + to set the desired value

d: to set the alarm minute, press the function button (the minute number will flash, but the dot will not), press + to set the desired value

e: check if the alarm clock is on: press the function button again (all digits remain unchanged) if dot No. 4 lights up, it means that the alarm clock is on, if it is not lit, the alarm clock is off.

f: setting the time for the "hourly chime" – Press the function button (the hour digit flashes), set with the + button start time of the alarm (e.g. 9, then the alarm will start ringing every hour from 9:00) and press the function button again (now the minute digit flashes). Now set the final alarm time with the + button (if you set 23, the alarm will ring every hour from 9:00 a.m. to 11:00 p.m.)

g: check whether the clock chime function is on or not: Press the function button again (all digits

will remain unchanged), press the + key and if dot No. 3 lights up, the hourly chime is on. If you

does not light up, it is turned off.

h: press the function button again to end the setting.

7: Temperature correction, date and week settings

Press the "+" button, the temperature will be displayed. Press the function button to set the current temperature (according to external thermometer) and press the "+" button to confirm and adjust the temperature. Edit the date at the same time. Press the function button ("month" flashes), press the "+" button to adjust the month; press the function button again ("day" flashes), by pressing the button "+" edit the day and then press the function button to confirm the selection. Press the "+" button again (the week will be displayed), press the function key (the week flashes) and press the "+" key again to adjust the week, press the function key to it confirm and then press the "+" button to exit the menu.

8: Automatic display function:

45 second time display

5 second temperature display

5 second date display

5 second display of the week.

When it is dark, the backlight of the digits will automatically darken, and vice versa, in light, the intensity will be stronger.

9: Dark flexible membrane:- place it on the digits and trim as needed.

10: Fold the protective box and screw together with the included screws