1. Octopus Single RGB Rainbow LED

1.1. Introduction


Octopus Single RGB Rainbow LED is one of the single rainbow LED electronic bricks in OCTOPUS series. The basic design is upon the OCTOPUS electronic bricks series with the identical design on the outlook, PCB fixed orifices and the connectors of the electronic bricks. The on-board LED is a smart LED and an integration of control circuit and light-emitting circuit, it can be operated under a low voltage with a high luminance and large angle scattering.

1.2. Introduction


  • With data transmitting in single line and with unlimited concatenation.

  • With circuit adjusted by gray level(256 level gray can be adjusted )

  • With built-in power on reset and power down reset circuit, the LED doesn’t turn on when power off.

  • The red led is set through special processing to make the color more balanced.

  • The data transmission frequency can reach to 800Kbps. When the refresh rate is 30 frames/second, the number of cascades is over 1024 points.

1.3. Parameter


Item | Parameter :-: | :-: Name|Octopus Single RGB Rainbow LED Version|V1.2 SKU|EF04091 Working Voltage|DC 3.3~5.5V Working Temperature|-40~+85摄氏度 Size|27x19mm NW|2.4g

Outlook and Dimensions

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1.4. Quick Start

Hardware Connection

Connection note: Connect this to the P1 port in OCTOPUS:BIT, and insert the micro:bit into it.

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Software Programming

Click “Advanced”in the choice of the MakeCode to find more choices.

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We need to add a package for programming. Click “Add Package” on the bottom of the page, and search “neopixel” in the dialogue box, the package is pointed by the red arrow below.

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Programme to use accelerometer to control the color of LED. Links: [https://makecode.microbit.org/_Fu0g597xD85g](https://makecode.microbit.org/40248-92205-21488-21926)

You can also download the links below:

Result

The led begins with white light and then the color begins to change gradually with the shaking of the micro:bit.

1.5. FAQ