m5-docs/docs/en/unit/catear.md

# CATEAR

<el-tag effect="plain">SKU:A043</el-tag>

<div class="product_pic"><img src="assets/img/product_pics/unit/unit_catear_01.webp"><img src="assets/img/product_pics/unit/unit_catear_02.webp"></div>

## Description

**CATEAR** is a cat ear headband which integrates 118 RGB LEDs. They are smart LEDs, each one of them can be programmed and display any color as well as set the brightness levels. It comes with 2 different modes - lighting-up flow and Blink-mode.

If you want be standout in a party or Halloween event, why not get this cute little add-on to add on some impressive lighting effects on your outfit?

It can be programmed using any type of M5 core device using the grove port.
Alternative Ports that can be used: A, B, and C ports.

## Product Features

- RGB LED quantity: 118
- GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
- Two Lego-compatible holes

## Include

- 1x CATEAR Unit
- 1x Grove Cable(1m)

## Specification

<table class="table-1">
    <thead>
      <tr>
         <th>Resources</th>
         <th>Parameter</th>
      </tr>
    </thead>
    <tbody>
      <tr>
         <td>Numberoflampbeads</td>
         <td>118</td>
      </tr>
      <tr>
         <td>RGBLED</td>
         <td>SK6812</td>
      </tr>
      <tr>
         <td>Net weight</td>
         <td>152g</td>
      </tr>
      <tr>
         <td>Gross weight</td>
         <td>154g</td>
      </tr>
      <tr>
         <td>Product Size</td>
         <td>160*135*8mm</td>
      </tr>
      <tr>
         <td>Package Size</td>
         <td>265*181*25mm</td>
      </tr>
    </tbody>
</table>

## Example

### 1. Arduino

To get the code, please click [here](https://github.com/m5stack/M5Stack/tree/master/examples/Unit/CATEAR_SK6812)

### 2. UIFlow

To get the complete code, please click [here](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Unit/CATEAR/UIFlow)

<img src="assets/img/product_pics/unit/unit_example/CATEAR/example_unit_catear_01.webp">

## PinMap

**If CATEAR is connected to GROVE A**

<table>
  <tr><td>M5Core(GROVE A)</td><td>GPIO22</td><td>GPIO21</td><td>5V</td><td>GND</td></tr>
  <tr><td>CATEAR Unit</td><td> </td><td>CATEAR Pin</td><td>5V</td><td>GND</td></tr>
</table>

**If CATEAR is connected to GROVE B**

<table>
  <tr><td>M5Core(GROVE B)</td><td>GPIO36</td><td>GPIO26</td><td>5V</td><td>GND</td></tr>
  <tr><td>CATEAR Unit</td><td> </td><td>CATEAR Pin</td><td>5V</td><td>GND</td></tr>
</table>

**If CATEAR is connected to GROVE C**

<table>
<tr><td>M5Core(GROVE C)</td><td>GPIO16</td><td>GPIO17</td><td>5V</td><td>GND</td></tr>
 <tr><td>CATEAR Unit</td><td> </td><td>CATEAR Pin</td><td>5V</td><td>GND</td></tr>
</table>

<el-divider content-position="right">Last updated: 2020-12-11</el-divider>

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