DIY 7 Colors 3D Xmas Tree Kit RGB Flashing LED Circuit Kit Colorful Christmas Tree Kit for Soldering Practice for Christmas Eve Gift
| Quantity | 5+ | 10+ | 20+ | 30+ | 50+ |
| Price | $5.30 | $5.10 | $4.95 | $4.80 | $4.60 |
Product Details
| 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*60mm*136mm |
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.Installation Steps Download
6.Finished Project:
I. Tested by ICStation:





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II. Tested by ICStation's Outstanding Partner Marco Arduino channel:






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III. Tested by ICStation's Outstanding Partner Electricguy:





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IV. Tested by ICStation's Outstanding Partner DrakerDG:





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