DIY Kit 4Bit Digital Electronic Clock, DC 5V Red LED Clock, Date Time Temperature Alarm Clock SMD Soldering Practice Kit

1.Introduction:
TJ-56-619 is a 4Bit Digital Electronic Clock DIY Kit. It will display current date, time, temperature in the real time, Dual Alarm clock.User can set alarm as your needs.It is easy to operate, beautiful design, very suitable for home or office environment.

2.Feature:
1>.Four Display Mode:Time, Time/Temperature, Time/Date/Week/Year, Temperature
2>.Automatic Brightness Adjustment: Built-in photosensitive sensor which can automatically adjust the brightness of the display screen. Users can also set 1-15 levels of fixed brightness.

3>.Dual Alarm Clock: Built-in 2 sets of alarm clocks. Users can ON or OFF Alarm1 or Alarm2  according needs. It can be turn on at the same time or only one alarm clock can be turn on.
4>.Stopwatch: Record minutes and seconds after start.

5>.Countdown:Set the countdown as required. Maximum time is 99:59.
6>.Voice Hourly Report: Buzzer alarm prompt 5 times on hour.

7>.Temperature value can be calibrated.
8>.Motor Vibrate:Motor vibration prompt when pressing the buttons.

9>.Power-down memory. The time and set parameters will run automatically after installing the built-in battery CR1220 without re-calibrate and setup.
10>.Improve Soldering Skill. It’s a DIY kit which comes with various components. User need to install each component by hand. It not only can exercise and improve soldering skills, but also increase the interest in electronic technology. Great for electronics hobbyists, beginners, school and home education.

3.Parameter:
1>.Item name: TJ-56-619 4Bit Digital Electronic Clock DIY Kit (14500 Battery is not included)
2>.Model:TJ-56-619
3>.Work voltage:DC 5V
4>.Display color:Red mixed color
5>.Work Temperature:-20℃~85℃
6>.Work Humidity:0%~95%RH
7>.Size(Installed):80*51*33mm

4.Note:
1>.Garbled characters are displayed when the power is turned on for the first time, and the settings need to be completed before they can be displayed correctly.
2>.It display as ‘143.5’ when querying Alarm-1 if set time is ‘14:35’.
3>.It display as ‘1029.’ when querying Alarm-2 if set time is ‘10:29’.
4>.CR1220 is only used to power the clock chip to ensure accurate time.

5. PDF Installation Manual:

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