Elecfreaks Christmas Tree Rainbow LED for micro:bit

The Christmas tree rainbow LED, with 6 coding LEDs, can help you to decorate a beautiful Christmas night.

Features

• In Christmas tree shape, adapt to the Christmas scene
• With coding rainbow LED for any color you like.
• With crocodile clip lines, no need for an expansion board

Specifications

• Input Voltage: DC 3.3-5.0V
• Size: 75.93mm x 50.00mm
• Net Weight: 6.5g

Includes

1. Christmas Tree Rainbow LED - 1x
2. Crocodile clip lines(Please prepare by yourself) - 3x
3. micro:bit(Please prepare by yourself) - 1x

Hardware Connect

• Connect the black crocodile clip line to the GND port of the micro:bit, and the other side of the black crocodile clip line to the G port of the Christmas tree rainbow LED.
• Connect the red crocodile clip line to the 3V port of the micro:bit, and the other side of the red crocodile clip line to the V port of the Christmas tree rainbow LED.
• Connect the yellow crocodile clip line to the 0 port of the micro:bit, and the other side of the yellow crocodile clip line to the S port of the Christmas tree rainbow LED.

Software

• Step-1
• Click makecode https://makecode.microbit.org/#
• Click on "New Project" and set a new Project.
• Click on "Advanced" for more code blocks and click the Extensions at the bottom of the column.
• Serch "neopixel" and add neopixel as a codebase.
• Step-2
• Snap "set strip to Rainbow LED at the pin with LEDs as" from neopixel into the on start. Set pin to P1 with 6 LEDs in RGB pattern.
• Step-3
• Snap the strip rotate block from the Rainbow LED under the forever. Set the rotate pixels to 1 and set the LEDs to change their color one by one.
• Then, snap a strip show block for colorful light.

Programming

Program link

Result

The Christmas tree rainbow LED glows colorful light to bring beauty to the Christmas night.