TDA1308/AD828 Class AB Stereo Headphone Driver Module Pre-amplifier Audio Amplifier Module

$2.42

INMP441 Omnidirectional Microphone Module MEMS High-Precision Low-Power I2S Interface Supports ESP32

$11.18

Hall Sensor Module for Magnetic Field Strength Detection Inductive Switch Magnetic Pole Magnet North-South Identification Pen NS Recognition

$11.70

LM386 Analog Sound Detection Sensor Microphone Capsule Audio Recognition Analysis Output Induction Module

$23.00

Audio Sensing Decibel Detector Sound Sensor Module Outdoor Whistle Sound Switch Analog Microphone Amplifier

$1.60

Digital + Analog Sound Detection Module LM386 Audio Recognition Voice-Controlled Switch Microphone Sensor Module

$29.00

Digital + Analog Sound Detection Module LM386 Audio Recognition Voice-Controlled Switch Microphone Sensor Module

$72.00

AD8232 Module ECG Measurement Pulse Heart Rate Monitor ECG Sensor Module with Electrodes and Wires

$35.00

Audio Sensing Decibel Detector Sound Sensor Module Outdoor Whistle Sound Switch Analog Microphone Amplifier

$1.60

Digital + Analog Sound Detection Module LM386 Audio Recognition Voice-Controlled Switch Microphone Sensor Module

$71.00

Digital + Analog Sound Detection Module LM386 Audio Recognition Voice-Controlled Switch Microphone Sensor Module

$74.00

PulseSensor Pulse Heart Rate Sensor Monitoring Bio-Simulation Sensor Module

$4.80