Introduction: LED Rotating Ballerina Girl Music Box Soldering Project

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Explore ICStation Latest Soldering Projects - Colorful LED Rotating Ballerina Girl Music Box DIY Kit!

The completed project is an led rotating music box, on the circular stage, an elegant ballet girl gracefully pirouettes, accompanied by enchanting music and shimmering, changing lights, guiding you into the world of art. This DIY kit not only offers a fantastic opportunity for honing soldering skills but also serves as an ideal educational tool for both schools and families.

Functions & Features】 The RGB lights on the base alternate between different colors, enhancing the stage with a more dazzling effect. With 3 enchanting melodies on loop, the rotation function and music can be turned on and off separately, and the stage's rotation speed adjustable to your liking, whether slow or fast, it will bring you a different experience.

Unique Gift Idea】The ballerina gracefully dances amidst flickering lights, serving not only as a charming music box but also as a delightful ornament suitable for any room - whether it's the bedroom, living room, or even the office. This handmade creation makes for an exceptional gift for daughters, girls, wife, girlfriend, friends on various occasions such as birthdays, Children's Day, Christmas, Mother's Day, graduations, and anniversaries.

Supplies

Step 1: Install 1pcs SMD Components SOP-8 KT148A Music IC at U1

Verify & confirm the installation direction of KT148A.

There is a dot mark on one end of the IC and there is a gap mark on PCB silk screen where the IC can place on.These two marks are corresponding to each other and are used to specify the instalation direction of the IC.


Step 2: Randomly Choose a Pad on the PCB, and Then Melt the Solder

Step 3: Fix KT148A

Use a soldering iron to melt tin on the pad just now and hold Take care to match and align each pads. 

Then remove soldering iron. Then remove tweezers after solder tin cooling and solidification.

 

Step 4: Connect Others Pads on KT148A

Step 5: Install 1pcs 1Kohm Metal Film Resistor at R2

Step 6: Install 2pcs 0.1UF 104 Ceramic Capacitor at C2,C3

Step 7: Install 1pcs 22uF 16V Electronic Capacitor at C1

The longer pin is positive pole and connect to'+'pad

Step 8: Install 1pcs DC-005 Power Socket at DC_5V

Step 9: Install 1pcs SS-12F44G5 Toggle Switch 1P2T at SW1,SW2

Step 10: Install 1pcs 1K RV0931 B102K Potentiometer at R1

Step 11: Fix 2pcs M3*10mm Screw With 2pcs Nut or Tin

Step 12: Fix 1pcs JS-30 DC Motor by 2pcs M3*10mm Screw and Nut

Step 13: Cut and Reserve 4cm Wire From JS-30 DC Motor

Step 14: Red Wire Connect to 'motor+'pad and Black Wire Connect to 'motor-'pad

Step 15: Fix 4pcs M3*30mm Copper Pillar by 4pcs M3*5mm Screw

Step 16: Tear Off the Protective Film on the Surface From Speaker

Step 17: Stick the Speaker at the Position Shown in the Picture

Step 18: Cut and Reserve 4cm Wire From Speaker

Step 19: Red Wire Connect To'Beep+'pad and Black Wire Connect To'Beep-'pad

Step 20: Install 3pcs 1Kohm Metal Film Resistor at R2,R5,R7

Step 21: Install 3pcs 33Kohm Metal Film Resistor at R4,R6,R8

Step 22: Install 6pcs 3mm LED

Red LED at LED1,LED4.

Blue LED at LED2,LED5.

Yellow LED at LED3,LED6.

The longer pin is positive pole and connect to square pad.

Step 23: Install 3pcs TO-92 S8050 Transistor at Q1-Q3

The arc on the PCB corresponds to the arc of the components.Adjacent pins must not be short circuited.


Step 24: Install 3pcs 47uF 16V Electronic Capacitor at C4,C5,C6

The longer pin is positive pole and connect to square pad.

Step 25: Install 12pcs 5mm RGB LED at LED7-LED18 on PCB HE003-C

Step 26: Place Tin at 4 Pad As Shown on PCB HE003-C

Step 27: Place Tin at 4 Pad As Shown on PCB HE003-D in Two Sides

Step 28: Connect PCB HE003-C and PCB HE003-D by Pad and Tin

Note:'+'pad connect to VCC pads.

Ensure that the two PCB are perpendicular to each other.

Step 29: Fix 4pcs M3*12mm Copper Pillar on PCB HE003-B by 4pcs M3*5mm Screw

Step 30: Place 2pcs 0.4*4*10mm Metal Spring on PCB HE003-A

Step 31: Fix PCB HE003-B on DC Motor at PCB HE003-A

Step 32: Fix PCB HE003-C on PCB HE003-B by 4pcs M3*5mm Screw