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HC-SR505 PIR Sensor Pinout, Features, Circuit & Datasheet
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Issue with hc-sr505 sensor
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![HC-SR505 Mini PIR Motion Sensor [HC-SR505] - US $2.20 : HAOYU](https://i2.wp.com/www.haoyuelectronics.com/Attachment/HC-SR505/SPS50506S_pro_2.png)
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