1.Introduction:
It is a LCD1602 Display Electronic Clock DIY Kit. It allows you to display the current date, time, temperature, alarm, and even switch between 12H/24H display modes in real time.

The display brightness can be adjusted manually with a screwdriver or automatically with a photosensitive sensor to fit different environments. It is easy to use, has a beautiful design, and is perfect for home or office use.It is a fun DIY electronic product that allows you to better understand the circuit and learn how to solder.

2.Feature:
1>.LCD Display: Display date, time, week, and temperature in Celsius degree simultaneously on an LCD display.
2>.Automatic Brightness Adjustment: Built-in photosensitive sensor which can automatically adjust the brightness of the display screen. Users can also set 01-10 levels of fixed brightness. You can adjust the contrast of the display screen through the potentiometer on the back to change the display effect.
3>.12H/24H display mode: Set the time display format at 12 or 24 hour system and display P or A at 12H display mode.
4>.Alarm Clock: Set alarms with on/off feature, and enjoy the convenience of never missing an important event. Press S1/Left button to stop the alarm clock or automatically stop after 60 seconds.
5>.Voice Hourly Report: Get a buzzer alarm prompt ‘di di di’ once an hour when enabled.
6>.Power-down memory: Time and settings are remembered even when powered down thanks to the built-in CR1220 battery.
7>.DIY Soldering Project: This DIY kit comes with various components that need to be installed by hand, helping to improve soldering skills and increase interest in electronics. Great for electronics hobbyists, beginners, school and home education.

3.Parameter:
1>.Item name: LCD1602 Display Electronic Clock DIY Kit
2>.Work voltage:DC 5V
3>.Work Temperature:-20℃~85℃
4>.Work Humidity:0%~95%RH
5>.Size(Installed):90*51*32mm

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>.The week value will automatically match and display based on the set date.
3>.Temperature values cannot be modified and calibrated.
4>.CR1220 is only used to power the clock chip to ensure accurate time.
5>.Press S1/Left button to stop the alarm clock.
6>.The alarm clock can automatically stop after 60 seconds.

5. Installation Manual (PDF):