Snow light (Heart-shaped water light hardware version)

1. Design Reasons

Since the original snowflake lamp circuit is difficult to solder and is not suitable for newbies, and the design process of the heart-shaped running water lamp circuit is too simple, I suddenly came up with the idea of ​​combining the two and designed the snowflake lamp (heart-shaped running water lamp hardware version)

2. Design and import of snowflake light panel frame

1. AUTOCAD draws the snowflake light panel frame

• First draw a six-pointed star (hexagonal star)
• Draw the snowflake branches and then create a circular array.
• Draw the USB base and add some details.

2.DXF file import

• DXF layer 0-board and frame layer.
• DXF layer screen printing-top layer screen printing.
• Scaling: 0.07.
• Import.

3. Snowflake lamp PCB original component layout and wiring

1. Component layout

The overall arrangement is symmetrical, making full use of the limited space. Place the LED lights at the forks of the snowflakes and delete the last remaining LED.

2. Line connection

Two layers of wiring are used, with 5V copper laid on the upper layer and GND copper laid on the lower layer. Since the snowflake light board frame is relatively complex, the lines are routed with arc degrees of freedom.

4. Physical verification