infrared receiver
Source: InternetPublisher:他们逼我做卧底 Keywords: Power communication power Updated: 2021/09/24
![infrared receiver](http://www.eeworld.com.cn/circuit/upload/545c7860c5e4450c94c9d101ae3112d6/d44f87378afcac9b2318382a49a48f51.gif)
This circuit has one of the simplest IR receivers you can make with cheap parts. The layout is not critical, a 9V battery will last a long time.
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