Learn to solder with this festive LED Christmas tree kit. Using through-hole components with clearly labelled PCBs, it's perfect for beginners wanting to develop their soldering skills while creating a decorative light display.

Powers via 3× AA batteries or the included USB cable, with 37 white LEDs creating a beautiful twinkling effect across three PCB sections.

Key Features

• Beginner Friendly – Through-hole components with clear PCB labelling
• 37 White LEDs – Bright 3mm LEDs across the tree
• Dual Power Options – 3× AA batteries or USB cable included
• Three-Section Design – CTR-30A, CTR-30B, and CTR-30C PCBs
• All Components Included – Everything needed to complete the project

Specifications

• Model: CTR-30C
• Operating Voltage: DC 4.5–5V
• Power: 3× AA batteries or USB cable
• Assembled Size: 60 × 136 × 60mm

Kit Contents

• 3× PCBs (CTR-30A, CTR-30B, CTR-30C)
• 37× 3mm white LEDs
• 6× 1K resistors
• 6× 10K resistors
• 1× 2.2K resistor
• 6× 47µF 16V electrolytic capacitors
• 6× S9014 transistors (TO-92)
• 1× Self-locking switch
• 1× 3.5mm DC power socket
• 1× 3× AA battery box
• 1× USB to DC 3.5mm cable (80cm)
• 2× M2×8mm screws
• 2× M2 nuts

Ideal For

• Learning to solder
• Electronics education
• Holiday decorations
• STEM projects

Resources

• Assembly Video (YouTube)