官方授權台灣代理分銷
Grove - 迷你 PIR 運動傳感器
資料來源：https://www.seeedstudio.com/Grove---mini-PIR-motion-sensor-p-2930.html
Description
PIR sensor is used for making motion detecting applications such as alarm burglar systems, visitor presence monitoring, light switches and robots. The Grove – mini PIR motion sensor is a compact, low power consumption and cost effective PIR sensor which is suitable for applications with relatively less detection distance requirement.
The detection distance in the datasheet is up to 3m to 5m, however 2m is the best detection distance that we recommend and 25℃ is the most suitable temperature.
The sensitivity of the sensor is adjustable, there is reserved pin out on the back of the board so that you can solder a slide rheostat to adjust the sensitivity. If you think the sensitivity is not enough, here is a trick, drag the plastic cap a little up will help enhance the sensitivity.
Note:
Please note that the orientation can influence the sensitivity, for more accurate detection, please place the sensor as the picture below.
Features:
Low power consumption
Sensitivity adjustable
Grove interface
Technical Details
| Dimensions | 20mm x 20mm x 12mm |
| Weight | G.W 8g |
| Battery | Exclude |
| Sensor chip | S16-L221D |
| Supply Voltage | 2.7 – 3.3V |
| Working Current | 12 – 20 μA |
| Sensitivity | 120 – 530 μV |
| Max detecting range | 2m(25℃) |
Part List
| Grove - mini PIR motion sensor | 1 |
描述
PIR傳感器用於進行運動檢測應用，如報警防盜系統，訪客存在監控，燈開關和機器人。 Grove - 迷你PIR運動傳感器是一種緊湊，低功耗和成本效益的PIR傳感器，適用於檢測距離要求較低的應用。
數據表中的檢測距離可達3m至5m，但是我們推薦的最佳檢測距離為2m，25℃是最合適的溫度。
傳感器的靈敏度可調，板上背面有保留的引腳，可以焊接滑動變阻器來調節靈敏度。如果你認為敏感度不夠，這裡是一個伎倆，將塑料帽稍微拉一點會有助於提高靈敏度。
注意：
請注意，方向可能會影響靈敏度，為了更準確的檢測，請將傳感器放置如下圖所示。
特徵：
-
低功耗
-
靈敏度可調
-
格羅夫界面
