4-Digit Warm LED Clock DIY Soldering Kit | Desktop Electronic Kit

Build Your Own Warm LED Digital Clock — Perfect Soldering Practice Kit

Discover the joy of hands-on electronics with this 4-Digit Warm LED Digital Clock DIY Soldering Practice Kit. Designed for beginners and hobbyists alike, this kit lets you assemble a fully functional desktop clock from the ground up — making it an ideal project for students, makers, and anyone eager to sharpen their soldering skills.

Why You'll Love This Kit

• Soft Amber Warm Light Display: Four ceramic filament LED digital tubes emit a cozy, warm amber glow with adjustable screen brightness — easy on the eyes in any lighting condition.
• Power-Off Memory: Equipped with a CR1220 battery holder (battery not included), the clock maintains accurate timekeeping even during power interruptions — no need to reset time and date after a power outage.
• Multi-Mode Display: Cycles through time, year, month, day, and day-of-week display modes, giving you a full-featured desktop timepiece once assembled.
• Alarm Function: Set a daily alarm directly from the assembled unit for a practical, everyday-use experience.
• Beginner-Friendly Assembly: All components are through-hole (plug-in), moderately sized, and straightforward to solder — perfect for first-time solderers and STEM education projects.
• Versatile Use Case: Great for campus technology training, parent-child DIY projects, maker community gifts, and as a warm ambient desktop decoration for your bedside table or home office.

Specifications

• Power Supply: DC 5V
• Power Socket: DC002
• Backup Battery: CR1220 button cell (not included)
• Display Type: 4-digit warm amber LED (ceramic filament tubes)
• Display Modes: Time, Year, Month, Day, Week
• Features: Adjustable brightness, alarm, power-off memory
• Material: Plastic PCB components
• Country of Origin: Made in China

How the Power-Off Memory Works

Once you've set the time and date, the internal CR1220 backup battery keeps the clock running even when the main 5V power is disconnected. For example, if you unplug the clock at 10:00 AM and plug it back in at 3:00 PM, the display will automatically show the correct time — no recalibration needed.

What's in the Box

• 1× LED Digital Clock DIY Soldering Practice Kit (all components included)

Note: CR1220 battery and USB power adapter are not included. Minor color variations may occur due to screen differences. Please allow ±1 cm measurement tolerance.

Learn More About Electronics & STEM

Soldering and electronics assembly are foundational skills in modern technology education. For more information on safe soldering practices and electronics safety standards, visit the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: Is this LED digital clock DIY kit suitable for complete beginners?

A: Absolutely! This soldering practice kit uses through-hole (plug-in) components that are easy to handle, making it one of the most beginner-friendly DIY electronics kits available. It's a great first project for students, teens, and adults new to soldering.

Q: Do I need any special tools to assemble the 4-digit warm LED clock kit?

A: You'll need a soldering iron, solder wire, and basic hand tools like wire cutters and tweezers. These are standard tools found in most hobby toolkits and are widely available at electronics stores.

Q: What power source does this desktop electronic clock kit use?

A: The assembled clock runs on DC 5V (via a DC002 power socket), which is compatible with standard USB phone chargers using a compatible cable or adapter. A CR1220 button battery (not included) is used for backup timekeeping during power loss.

Q: Can I adjust the brightness of the LED display?

A: Yes! The warm amber LED display features adjustable brightness, so you can set it to a comfortable level whether it's sitting on your bedside table at night or on a bright desktop during the day.