PIR sensor in hindi |

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#pir_sensor #what_is_pir_sensor #pir_sensor_in_hindi #what_is_pir_sensor_in_hindi #pir_sensor_project #pir_sensor_project_in_hindi #pir_sensor_working_in_hindi #pir_sensor_working #working_of_pir_motion_sensor #working_of_pir_sensor #pir_sensor_kya_hai #pir_sensor_kya_hota_hai #tech_Pankaj #pankaj_Chaudhary

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