# Octopus PIR Sensor Brick(EF04055)

## Introduction

OCTOPUS PIR Sensor module is a type of electronic building block based on AM412 pyroelectric digital smart sensor. It can be used in sensing and detection of human or animal motion, sensing distance is about 4-5 meters.

 ![](./images/j1VO7pH.jpg)

## Products Link

[ELECFREAKS Octopus PIR Sensor Brick](https://shop.elecfreaks.com/products/elecfreaks-octopus-pir-sensor-brick?_pos=1&_sid=7bab9f050&_ss=r)

## Characteristics

 The 3-pins ports is easy to plug and play.

## Specifications


Item | Parameter 
:-: | :-: 
SKU|EF04055
Power Supply|3.3V~5.5V
DSP|SP
Dissipation|Adjustable power
Input|Bi-directional differential and high resistance
Anti-interference|Built-in filter to shield other Hz
Power Source|Excellent PSR, RF makes little influence to Schmidt REL
Voltage Stability|low voltage and dissipation, the voltage is stable after giving power
Working Temperature|-25~85℃
Size|32.00mm×24.00mm


## Outlook and Dimensions


 ![](./images/Ok6fmjF.jpg)

## Quick to Start


### Materials used and connection diagram

 Connect to the P1 port as the picture shows

  Take sensor:bit for example

![](./images/5iwXCZp.png)
### Add Package

### Program as the picture shows

1. Digital read pin P1.
2. While the show number is 0, an icon is showing on the micro:bit.
3. While the show number is 1, a rectangle is showing on the micro:bit.

 ![](./images/aMlPqo5.png)

### Reference

Links:[https://makecode.microbit.org/_esoRoUPzUAhf](https://makecode.microbit.org/_esoRoUPzUAhf)

You can also download the links below:

<div style="position:relative;height:0;padding-bottom:70%;overflow:hidden;"><iframe style="position:absolute;top:0;left:0;width:100%;height:100%;" src="https://makecode.microbit.org/#pub:_esoRoUPzUAhf" frameborder="0" sandbox="allow-popups allow-forms allow-scripts allow-same-origin"></iframe></div>  


### Result
 If there is object approaching, an icon is showing on the micro:bit; while taking away the object, a rectangle is showing on the micro:bit.

## Relevant Cases


## Technique Files