Introduction: Ultrasonic Levitator Soldering Practice Kit, Standing Wave Controlled Levitation Soldering Project, DIY Soldering Project Kit for Beginners

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This is a DC 12V Ultrasonic Suspension Electronic Soldering DIY kit. The suspension device operates at a frequency of 40KHz in the air and can capture light objects with a density of 2-3mm, such as foam balls.

It is a fun DIY electronic product that allows users to better understand circuits and learn soldering skills.

  • 【PRODUCT INTRODUCTION】This is a 12V DC ultrasonic levitation soldering practice kit.Soldering project operates at a frequency of 40KHZ in the air and can capture lightweight objects with a density of 2-3MM, such as foam balls.
  • 【EASY SOLDERING】The circuit is simple, with few components, making it very suitable for electronic beginners to familiarize electronic components, learn soldering skills, and understand the working principles of circuits through experimental results.
  • 【WORKING PRINCIPLE】After soldering project kit is powered on, the object is subjected to acoustic force at the node of the standing wave, which overcomes the force of gravity, ultimately achieving levitation. Note that Soldering project requires a DC 12V power supply to be provided by the user.
  • 【PRACTICAL ACTIVITY】This will be a fun Practical activity where you can soldering together with your Son or daughter. Through the process of soldering, you can not only exercise your soldering skills, but also learn about ultrasonic standing wave suspension.
  • 【DETAILED INSTRUCTION】Before soldering, check all parts according to the instructions, and then solder according to the instructions.

Supplies

Step 1: Install 1 SMD Component (SOP-8 STC15F104W) on U2

There is a white seam on the PCB silkscreen at the U2 location, and there is a dot on the IC. These two points correspond to each other and indicate the installation orientation.

Step 2: Randomly Select a Solder Pad on the PCB and Melt the Solder on the Pad

Note: Observe the picture carefully before soldering.

Step 3: Fix STC15F104W

  • Using the soldering iron, melt the solder on the pad, and with the other hand, use tweezers to hold the IC in place on U2 to prevent it from moving.
  • Ensure each pin matches and aligns with its respective pad.
  • After aligning the pins, remove the soldering iron.
  • After the solder has cooled and solidified, remove the tweezers.


Step 4: Using Solder and a Soldering Iron, Connect the Remaining Pins of STC15F104W to the Solder Pads on the PCB

Tips for one method:

  • Cover all solder pads with a generous amount of solder.
  • Make sure all pins and pads are covered with tin.
  • Use a soldering iron to keep the tin in the melting state. At the same time, use a solder sucker or Desoldering Braid to remove the excess solder.

Step 5: Install 1 SMD Component (SOP-8 TC4427 Driver) on U3 Using the Same Method

Note: Observe the picture carefully before soldering.

Step 6: Install 1 SMD Component (SOT-223 AMS1117-5.0 Voltage Regulator) on U1 Using the Same Method

Note: Observe the picture carefully before soldering.

Step 7: Install 1 4.7K Metal Film Resistor on R1

Note: Observe the picture carefully before soldering.

Step 8: Install 2 0.1uF 104 Monolithic Capacitors on C1 and C2

Note: Observe the picture carefully before soldering.

Step 9: Install 1 3mm Red LED on D1. Note: the Longer Pin Is the Positive Electrode, Connect It to the '+' Pad

Note: Observe the picture carefully before soldering.

Step 10: Install 1 DC-005 Power Socket on J1

Note: Observe the picture carefully before soldering.

Step 11: Install 1pcs 33uF~100uF Electrolytic Capacitor at C3.

Note: The Longer Pin Is Positive Pole And Connect To ‘ + ’ Pad.

Step 12: Install 1pcs Ultrasonic Transmitter at T on PCB Another Side.

Note: It is positive pole which the pin has a bigger black mark, that need connect to ‘ + ’ pad. It is not recommended to cut off excess metal pins to avoid damaging the transmitter.

Step 13: Install 1pcs Ultrasonic Transmitter at T on Another Smaller PCB.

Note: It is positive pole which the pin has a bigger black mark, that need connect to ‘ + ’ pad. It is not recommended to cut off excess metal pins to avoid damaging the transmitter.

Step 14: Splices M2*7mm Copper Pillar and M2*39+3mm Copper Pillar Screw to 46mm Copper Pillar

Note: Observe the picture carefully before soldering.

Step 15: Fix 4pcs M3*15mm Nylon Pillar on the Bigger PCB by 2pcs M2*4mm Screw

Note: Observe the picture carefully before soldering.

Step 16: Fix 2pcs Spliced 46mm Copper Pillar on the Bigger PCB

Note: Observe the picture carefully before soldering.

Step 17: Fix the Smaller PCB by 2pcs M2*4mm Screw

Note that the positive electrodes of the two PCB correspond to each other.