*LED颜色以实物颜色为准。 The color of LED on picture is for reference only, goods in kind prevail.

1. Resistors (R1 ~ R5)

2. LEDs

3. Transistor （Q1, Q2, Q3）

4. Power Socket

5. Capacitors

1.LED一边只焊一种颜色。The same side weld same color LED.

2.LED的正负极对准，PCB板上白色的标注为负极。Check the Plus-n-Minus carefully, white color means minus on PCB.

3.每个焊点焊接时间不宜过长。 The welding time of each solder is not too long.

4.焊接过程中观察是否为虚焊。 In the process of welding, it is observed that it is virtual welding.

5.初学者每次只焊一个元器件。Beginners only weld one component at a time.

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