CTR-30 flash Christmas tree kit consists of three circuit board, allows 36 LED flash alternately,showing a Christmas tree in the space of three-dimensional profile (the night environment has better viewing).
DIY 3D Christmas Tree Kit With RGB Flashing LEDs
1. Introduction
CTR-30 flash Christmas tree kit consists of three circuit board, allows 36 LED flash alternately,showing a Christmas tree in the space of three-dimensional profile (the night environment has better viewing).
2.Parameter
| NO. | Parameter | Value |
| 1 | Model | CTR-30C |
| 2 | Work Voltage | DC4.5-5V |
| 3 | Power Type | AA*3 battery or USB Cable |
| 4 | Installation Size | 60mm*136mm*60mm |
3.Schematic
4. Component listing
| NO. | Component Name | PCB Marker | Parameter | QTY |
|
CTR-30A |
||||
| 1 | Metal Film Resistor | R2,R4,R6 | 1K | 3 |
| 2 | Metal Film Resistor | R7 | 2.2K | 1 |
| 3 | Metal Film Resistor | R1,R3,R5 | 10K | 3 |
| 4 | Electrolytic Capacitor | C1-C3 | 47uF 16V | 3 |
| 5 | White LED | D1-D18 | 3mm | 19 |
| 6 | S9014 Transistor | Q1-Q3 | TO-92 | 3 |
| 7 | PCB | CTR-30A | 1 | |
|
CTR-30B |
||||
| 8 | Metal Film Resistor | R2,R4,R6 | 1K | 3 |
| 9 | Metal Film Resistor | R1,R3,R5 | 10K | 3 |
| 10 | Electrolytic Capacitor | C1-C3 | 47uF 16V | 3 |
| 11 | White LED | D1-D18 | 3mm | 18 |
| 12 | S9014 Transistor | Q1-Q3 | TO-92 | 3 |
| 13 | PCB | CTR-30B | 1 | |
|
CTR-30C |
||||
| 14 | Self-Locking Switch | S1 | 5.8mm | 1 |
| 15 | DC Power Socket | J1 | 3.5mm | 1 |
| 16 | Battery Box | AA*3 | 1 | |
| 17 | USB to DC 3.5mm Cable | 80cm | 1 | |
| 18 | Screw | M2*8mm | 2 | |
| 19 | Nut | M2 | 2 | |
| 20 | PCB | CTR-30C | 1 | |
NOTE:Users can complete the installation by PCB silk screen and component listing
5. Component Description
1>. 3pcs 1K Metal Film Resistor
2>. 1pc 2.2K Metal Film Resistor
3>. 3pcs 10K Metal Film Resistor
4>. 3pcs 47uF 16V Electrolytic Capacitor
5>. 19pcs 3mm White LED
6>. 3pcs S9014 Transistor TO-92
7>. 1pc PCB CTR-30A
8>. 3pcs 1K Metal Film Resistor
9>. 3pcs 10K Metal Film Resistor
10>. 3pcs 47uF 16V Electrolytic Capacitor
11>. 18pcs 3mm White LED
12>. 3pcs S9014 Transistor TO-92
13>. 1pc PCB CTR-30B
14>. 1pc Self-Locking Switch
15>. 1pc 3.5mm DC Power Socket
16>. 1pc AA*3 Battery Box
17>. 1pc USB to DC 3.5mm Cable
18>. 2pcs Screw M2*8mm
19>. 2pcs Nut M2
20>. 1pc PCB CTR-30C
