BMD101 Heart Rate Sensor ECG Module Electrocardiogram Module Chest Strap Kit ECG HRV Wearable Device

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5V/12V Water Level Controller Module Water Tank Tower Pool Automatic Pumping Liquid Level Sensor Switch Circuit Board

$8.20

Rain Drop Sensing Module Large-Area Rain Drop Module 5V Rain Drop Controller Relay Module Rainwater Sensor

$3.15

SHT40 Module SHT40 Digital Temperature and Humidity Sensor Probe IIC Interface Replaces SHT20 SHT30

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IMI Sensor USA PCB Acceleration Sensor M603C01 Vibration Sensor M603C01

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Pulse Heart Rate Sensor Sensor Detector Pin Header No Soldering Required

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Domestic MK426T Dual-Axis Tilt Sensor Serial Port 0x68 and Modbus Two Protocols Tilt Angle Module

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WHTM-03 Temperature and Humidity Module with Enclosure and Loose Wires 0-5V

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MAX9814 Microphone Amplifier Module MIC Voice Amplification 2.7V-5.5V Capsule Sensor

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Jianian Chuangqi Metal Detection Module Non-Contact Metal Induction Sensor Metal Detector Detection Module

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CS1237/1238 24-Bit Analog-to-Digital ADC Module Onboard TL431 Reference Chip Weighing Sensor

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AM2301A/DHT21 Digital Temperature and Humidity Sensor Single-Wire Interface Humidity Sensing Probe Module

$9.79