SMD Components Soldering Practice Board DIY Kit with battery pack
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SMD Components Soldering Practice Board DIY Kit with battery pack
Kit Name: SMD Component Soldering Practice Board
Kit Model: SMD-P
Operating Voltage: 4.5~5V
PCB Thickness: 1.6mm
Dimensions: 91.4*60mm
The SMD-P Soldering Practice Board is divided into two sections: Practice Zone and Practical Zone.
Practice Zone:
The area outside the large circle is the practice zone. Beginners start here to practice soldering. Components can be removed and re-soldered multiple times for further practice. This section includes nine types of components as listed below:
Front-side Components:
- 0805 Resistors ×10
- 0603 Resistors ×14
- 0402 Resistors ×12
- 0805 Capacitors ×10
- 0603 Capacitors ×14
- 1206 Diodes ×6
- SOT-23 Transistors ×6
- 0603 Resistor Networks ×6
Back-side Components:
- SO-8 IC ×1
- SO-16 IC ×1
- QFP44 IC ×2
Practical Zone:
The area inside the large circle serves as the practical zone for testing the soldering results. Once the components are correctly soldered, the board powers on and functions as a lucky wheel. Each LED corresponds to a different animal, adding an element of fun to the project. This section includes six types of components as listed below:
- 0805 Resistors ×3
- 0805 Capacitors ×2
- 0805 LEDs ×10
- 3216 Capacitors ×2
- SOT-23 Transistor ×1
- SO-8 IC ×1
- SO-16 IC ×1
- 6×6×4.5 SMD Switch ×1
Part I: Soldering and Testing in the Practice Zone
-
Solder 10 × 0805 Resistors.
Use a multimeter in ohmmeter mode to measure the resistance between J and J1 to verify the soldering. -
Solder 14 × 0603 Resistors.
Measure the resistance between I and I1 to confirm proper soldering. -
Solder 12 × 0402 Resistors.
Check the resistance between H and H1. -
Solder 10 × 0805 Capacitors.
Use the capacitance mode on a multimeter to test the capacitance between D and D1. If the multimeter lacks capacitance mode, use the ohmmeter mode to ensure the resistance between adjacent pads is zero. -
Solder 14 × 0603 Capacitors.
Measure the capacitance between F and F1 (or use ohmmeter mode if needed). -
Solder 6 × 1206 Diodes (pay attention to polarity).
Measure the forward voltage drop using the diode mode of the multimeter. -
Solder 6 × SOT-23 Transistors.
Use an ohmmeter to measure the resistance from point C to each collector, point E to each emitter, and point B to each base. -
Solder 6 × 0603 Resistor Networks:
- Solder one side of each network, then apply solder to both sides.
- Use an iron to heat the soldered pins and remove excess solder.
-
Verify the Resistor Networks:
- Measure the resistance between K-K1, L-L1, M-M1, and N-N1. The value should match the expected 60K resistance.
- Also, measure K-L, L-M, and M-N; these readings should be infinite. If not, there may be a solder bridge between the pins.
Back-Side IC Soldering:
-
Solder the SO-8 and SO-16 ICs (pay attention to orientation).
Measure the resistance between each IC pin and the test points to confirm soldering. -
Solder 2 × QFP44 ICs (ensure correct orientation).
Similarly, the resistance between adjacent test points is measured to check for solder bridges.
After successfully completing the practice zone soldering, your SMD soldering skills should have improved significantly. Now, let's move on to the practical zone for real circuit soldering to test your skills.
Part II: Soldering in the Practical Zone
- Solder 1 × 0805 Resistor with 470K resistance (marked 474).
- Solder 2 × 0805 Resistors with 1.2K resistance (marked 122).
- Solder 1 × 0805 Capacitor with 10nF (marked 103).
- Solder 1 × 0805 Capacitor with 100nF (marked 104).
- Solder 1 × SOT-23 Transistor (observe polarity).
- Solder 1 × SO-8 IC (with proper orientation).
- Solder 1 × SO-16 IC (with correct orientation).
- Solder 2 × 0805 Capacitors (non-polarized).
- Solder 10 × 0805 LEDs (pay attention to direction).
- Solder 1 × SMD Switch.
- Solder the Battery Holder Wires (observe polarity).
With the completion of the practical zone soldering, your board is ready for testing. The lucky wheel function will help you verify your soldering results and make the learning process more engaging.
Effective Date: March 27, 2025
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