1. Introduction
This manual provides detailed instructions for assembling, operating, and maintaining your iCubeSmart Led Canton Tower Model DIY Electronic Kit (GZT-12 KIT). This kit is designed for enthusiasts to build a 38cm tall LED light tower featuring 12 LED circles and dynamic lighting effects. It is an excellent project for developing soldering skills and understanding basic electronics.
2. Safety Warnings
- Welding Required: This kit requires soldering. Ensure you have appropriate soldering equipment and follow all safety guidelines for soldering, including proper ventilation and eye protection.
- Age Restriction: Not suitable for children under 14 years due to small parts and the use of soldering equipment. Adult supervision is recommended for minors.
- Electrical Safety: Always ensure the power supply is disconnected before performing any assembly or maintenance. Use only a 5V power supply as specified.
- Component Handling: Handle electronic components with care to avoid damage. LEDs can be sensitive to excessive heat during soldering.
3. What's in the Box
The iCubeSmart Led Canton Tower Model DIY Electronic Kit (GZT-12 KIT) includes the following components:
- 155 x 3mm Colorful Flashing LEDs (with standby LEDs provided)
- 1 x Soldered and Tested Mainboard (6x6cm)
- 1 x Type-C USB Cable
- 1 x Reel of Tinned Iron Wire
- 1 x White Wire
- 1 x Red Wire
- 1 x Black Wire
- 3 x Copper Pillars + Screws
- 1 x Mold to Assist Welding (Acrylic Ruler)
- Printed Installation Tutorials

Figure 1: Kit components including LEDs, mainboard, wires, and tools.
4. Setup and Assembly
Assembly of the Led Canton Tower requires careful soldering. The mainboard is pre-soldered and tested, simplifying the process. Users need to provide their own soldering iron and solder wire.
4.1. LED Preparation and Soldering
- Prepare LEDs: Carefully bend the leads of the 3mm colorful flashing LEDs as instructed in the printed tutorial.
- Use the Auxiliary Mold: Place the LEDs into the provided auxiliary mold to ensure correct spacing and alignment for soldering the circular LED loops.
- Solder LED Loops: Solder the LEDs together to form the circular loops. Test each loop after soldering to ensure all LEDs are functional before proceeding.
- Assemble Tower Structure: Once the individual LED loops are complete, carefully assemble them into the tower structure, soldering the vertical connections.

Figure 2: Visual guide for LED preparation and soldering the tower sections.
4.2. Connecting to the Mainboard
- Attach Tower to Mainboard: Carefully align the completed LED tower structure with the holes on the pre-soldered mainboard. The mainboard has designated holes to assist in soldering the LEDs.
- Solder Tower to Mainboard: Solder the leads of the LED tower to the corresponding points on the mainboard. Ensure all connections are secure and free of short circuits.
- Install Copper Pillars: Attach the copper pillars and screws to the mainboard to provide stability for the tower.
Video 1: Assembly process of the iCubeSmart Led Canton Tower Model DIY Electronic Kit, demonstrating soldering and final assembly steps.
Video 2: Detailed assembly and demonstration of the iCubeSmart Led Canton Tower Model DIY Electronic Kit, including soldering techniques.
5. Operating Instructions
Once assembled, the Led Canton Tower is ready for operation. It features dynamic lighting effects and an audio dynamic mode.
5.1. Powering On
Connect the provided Type-C USB cable to the mainboard and a 5V power source. The LED tower will automatically light up and begin displaying its built-in animation effects.
5.2. Adjusting Dynamic Effects
The mainboard includes 3 keys for adjusting the dynamic effects:
- Key 1: Cycles through different pre-programmed lighting animations.
- Key 2: Adjusts the speed of the current animation.
- Key 3: Activates or deactivates the audio dynamic mode.

Figure 3: The Led Canton Tower in microphone spectrum mode, reacting to sound.
5.3. Audio Dynamic Mode
The mainboard features a built-in microphone. When the audio dynamic mode is activated (via Key 3), the LED effects will respond to ambient music or sounds, creating a visual representation of the audio.

Figure 4: The Led Canton Tower showcasing its colorful LED beads and dynamic patterns.
6. Maintenance
- Cleaning: Use a soft, dry cloth to gently wipe the LED tower and mainboard. Avoid using liquids or abrasive cleaners.
- Storage: Store the assembled kit in a dry, dust-free environment when not in use.
- Component Check: Periodically inspect soldered joints for any signs of corrosion or loosening. Re-solder if necessary.
7. Troubleshooting
- LEDs Not Lighting Up:
- Check all soldered connections for cold joints or bridges.
- Ensure the power supply is correctly connected and providing 5V.
- Verify LED polarity during installation.
- Inconsistent Lighting Effects:
- Confirm all LEDs are properly soldered and functional.
- Check for any loose connections on the mainboard.
- Difficulty in Soldering:
- Ensure your soldering iron is at the correct temperature.
- Use the provided auxiliary mold for better stability and alignment.
- Practice soldering on spare components if you are new to it.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | iCubeSmart |
| Model Number | GZT-12 KIT |
| LED Type | 3mm Colorful Flashing LEDs |
| Number of LEDs | 155 (12 LEDs per loop, multiple loops) |
| Tower Height | Approximately 38cm (14.96 inches) |
| Mainboard Size | 6x6cm |
| Microcontroller | STC High-Speed SCM |
| Power Supply | 5V (via Type-C USB) |
| Control | 3 keys for dynamic effects, speed, and audio mode |
| Special Features | Microphone for audio dynamic mode |
| Material Type | Acrylic |
| UPC | 734257112598 |
9. Warranty and Support
iCubeSmart offers life-long technical support services for their DIY products. If you encounter any issues during assembly, if a component is broken, or if you require assistance with modifying animations, please contact iCubeSmart customer service. For additional products, search for the brand name 'iCubeSmart'.