This LED Christmas Tree is a great kit to learn to solder. It uses through hole components for ease of construction and everything is clearly labeled on the PCBs.
Model | CTR-30C
Work Voltage | DC4.5-5V
Power Type | AA*3 battery or USB Cable
Installation Size | 60mm*136mm*60mm
Work Voltage | DC4.5-5V
Power Type | AA*3 battery or USB Cable
Installation Size | 60mm*136mm*60mm
Schematic
Component list:
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
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
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
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