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.

Products Link
ELECFREAKS Octopus PIR Sensor Brick
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

Quick to Start
Materials used and connection diagram
Connect to the P1 port as the picture shows
Take sensor:bit for example

Add Package
Program as the picture shows
Digital read pin P1.
While the show number is 0, an icon is showing on the micro:bit.
While the show number is 1, a rectangle is showing on the micro:bit.

Reference
Links:https://makecode.microbit.org/_esoRoUPzUAhf
You can also download the links below:
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.