Introduction: DIY 3D Christmas Tree Kit With RGB Flashing LEDs

Picture of DIY 3D Christmas Tree Kit With RGB Flashing LEDs

Introduction
CTR-30 flash Christmas tree kit consists of three circuit board, allows 36 LEDs flash alternately, showing a Christmas tree in the space of three-dimensional profile (the night environment has better viewing).

Advantages:

This circuit is simple and practical, low power consumption.It uses integrated circuits for driving: fewer parts,and the line is simple and easy to understand.

Step 1: Details About This Christmas Kit

Picture of Details About This Christmas Kit

Parameter:

Model: CTR-30C
Work Voltage: DC4.5-5V

Power Type: AA*3 battery or USB Cable

Installation Size: 60mm*136mm*60mm

Connection Diagram:

Step 2: Component Listing

Picture of Component Listing

Check this listing and make sure that you get all the components in this package!

Step 3: Component Description

Picture of Component Description

1>. 1pcs 330ohm Metal Film Resistor
2>. 1pcs 1K Metal Film Resistor

3>. 1pcs 2K Metal Film Resistor

4>. 4pcs 10K Metal Film Resistor

5>. 3pcs 47uF 16V Electrolytic Capacitor

6>. 7pcs 3mm Red LED

7>. 6pcs 3mm Yellow LED

8>. 6pcs 3mm Green LED

9>. 3pcs S9014 Transistor

10>. 1pcs PCB CTR-30A

11>. 1pcs 330ohm Metal Film Resistor

12>. 1pcs 1K Metal Film Resistor

13>. 1pcs 2K Metal Film Resistor

14>. 3pcs 10K Metal Film Resistor

15>. 3pcs 47uF 16V Electrolytic Capacitor

16>. 6pcs 3mm Green LED

17>. 6pcs 3mm Yellow LED

18>. 6pcs 3mm Red LED

19>. 3pcs S9014 Transistor

20>. 1pcs PCB CTR-30B

21>. 1pcs Self-Locking Switch

22>. 1pcs 3.5mm DC Power Socket

23>. 1pcs AA*3 Battery Box

24>. 1pcs USB to DC 3.5mm Cable

25>. 2pcs Screw M2*8mm

26>. 2pcs Nut M2

27>. 1pcs PCB CTR-30C

Step 4: Installation Steps-Install CTR-30A

Picture of Installation Steps-Install CTR-30A

Step 1: Install 1pcs Metal Film Resistor 330ohm on R6, 1pcs 1K on R4, 1pcs 2K on R2
Step 2: Install 3pcs 10K Metal Film Resistor on R1,R3,R5

Step 3: Install 1pcs 10K Metal Film Resistor on R7

Step 4: Install 6pcs Red LED on D1-D6.

Tips:

A. Note the direction of the LED

B. Control distance between PCB edge and LED head(Two ways).

1). User can bend the LED pin at first after determining the distance and then insert LED to PCB through hole;

2). Insert LED to PCB through hole at first.Then determine the distance.Bend the LED pin at last.

Step 5: Install 6pcs Yellow LED on D7-D12,6pcs Green LED on D13-D18

Step 6: Install 3pcs 47uF 16V Electrolytic Capacitor

Step 7: Install 3pcs TO-92 S9014 Transistor

Tips: It is better to bend S9014's pin so that 2pcs PCB CTR-30A and CTR-30B can better splicing. OK, CTR-30A has been installed completed.

Step 5: Installation Steps-Install CTR-30B

Picture of Installation Steps-Install CTR-30B

Step 8: Install 1pcs Metal Film Resistor 330ohm on R6, 1pcs 1K on R4, 1pcs 2K on R2
Step 9: Install 3pcs 10K Metal Film Resistor on R1,R3,R5

Step 10: Install 6pcs Green LED on D1-D6.

Step 11: Install 6pcs Red LED on D7-D12, 6pcs Yellow LED on D13-D18

Step 12: Install 3pcs 47uF 16V Electrolytic Capacitor

Step 13: Install 3pcs TO-92 S9014 Transistor

Step 14: Connect 5V to CTR-30A and CTR-30B. Preliminary welding success if LEDs are blinking automatically

Step 6: Installation Steps-Stitching CTR-30A and CTR-30B

Picture of Installation Steps-Stitching CTR-30A and CTR-30B

Step 15: Align the two positioning heads on CTR-30A and CTR-30B and then fixed with tin.

Step 7: Installation Steps-Install CTR-30C

Picture of Installation Steps-Install CTR-30C

Step 16: Install Power Socket.Use a superfluous pin to fixed the power supply socket.This pin can come from resistor.
Step 17: Install 1pcs Self-Locking Switch. Note the direction of switch. The concave side is close to the PCB edge.

Step 18: Install battery box and fixed by screw/nut. Tips: First peel the insulation of the wire, and then welding fixed, and then cut off the excess wire

Step 19: Fixed CTR-30A and CTR-30B on CTR-30C.Align the two positioning heads and then fixed with tin.

Step 20: Install the top LED. Note the positive and negative of LED.At this point, the installation is complete!!

Step 8: Effect Demonstration

Picture of Effect Demonstration

When you finish all the steps, you get a beautiful 3D Christmas Tree Kit with RGB flashing leds.

That would be a good choice for your Christmas projects 2017, and enjoy this easy soldering with your kids. Video will be added soon. How do you like this Christmas Kit? Share your ideas and similar projects with us ^0^

Step 9: Enjoy the Video Here!

Comments

WarenGonzaga (author)2017-10-27

I'm gonna make this stuff!

ICStation (author)WarenGonzaga2017-11-01

Amazing! looking forward to your project Waren ^0^

Swansong (author)2017-10-16

That's so adorable! My nephew is starting to get interested in electronics projects, I wonder if he'd like to try this. :)

ICStation (author)Swansong2017-10-16

wow, much thanks for your like kk. We have detailed instructions here if your

nephew want to have a try. haha and this is a good choice for the Xmas gift.

About This Instructable

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