PandwaRF with various options KY-039 Finger Heartbeat Detection Sensor test the microphone array by

test the microphone array by running the provided voice recognition demo script

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first install two AA batteries into the battery compartment located on the rear panel

PandwaRF with various options KY-039 Finger Heartbeat Detection Sensor test the microphone array byPandwaRF with various options PandwaRF is a versatile RF (Radio Frequency) analysis and testing platform designed for engineers and researchers working with wireless communications, spectrum analysis, and RF signal characterization. Professional RF engineers, telecommunications specialists, and embedded systems developers use PandwaRF to capture, analyze, and decode RF signals across multiple frequency bands with precision and ease. This product