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Sensors convert a physical quantity (e.g. temperature, pressure) into an electrical signal.

2 votes
1 answer
446 views

PIR sensor circuit

I am designing a PIR sensor circuit to detect human movement. I am supposed to display movement using an oscilloscope (the response from this PIR sensor.) …
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0 votes
1 answer
63 views

Movement Sensor circuit

I have this PIR sensor circuit, can someone explain what each of the capacitors do in the circuit? …
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