4-Digit Digital Clock Soldering Project Kit for Learning Practicing Teaching Electronics, Great STEM Project and Gift

Great School and Home Education Project Kit – It is a simple and practical soldering project kit，which is very friendly to starters to practice soldering skills. It's also a great electronic project tool for teachers to teach related electronics. Easy to Solder - Clear marks and big pads on the board make things easy for you. With the STEP-BY-STEP full-color instruction manual, you don’t need worry anything. High Quality - Fiberglass board with black oil could make it fast heat dissipation and high hardness. Using a high-quality digital big tube, after soldering, you will get an electronic clock that you make by yourself. Useful and Beautiful - It’s not only for being a practicing soldering skills kit, but also for being using. The beautiful arcs on both sides of the board will give you a pleasure feeling. 2 Power Supply Options – 2 AA battery might be needed, or use DC 5v power cord would be great too. If you have any questions, please feel free to let us know. Thank you! After Its Soldering Part Done, You will Get a Real Clock!

The soldering clock kit is easy to setup, two tact switches are enough, you could adjust hour/minute/second on the board easily.

Basic Function - Clock and alarm clock.
2 Kinds of Power Supply Methods - Battery or 5V DC power supply.
Use 2 x 1.5V AA battery - easy to test it when done, convenient to move or place the clock at anywhere.
Use 5V DC power cable (or) and batteries together - The current is stable, so the time is more accurate and durable. Battery as a backup battery.

The alarm could be set on / off. Alarms up to 10 minutes, and stopped by pressing any key.
24 hour clock.
You also could adjust the time speed to correct time. and please note it is not recommended to use it as a precision clock.

Tools you might need
A soldering iron (recommended 40-60 watts(around 350℃/662℉),solder time 1-2 s);
Some solder wire (recommended lead-free solder with flux, diameter: 0.5/0.8 mm);
Phillips screwdriver;
Diagonal pliers;
Rosin/sponge pad; (optional)
Solder iron tip cleaner (optional)