Modules
MQ-4 Methane Gas Sensor Module
$0.78
$0.23
Ultrasonic Sensor Module - HC-SR04
HMC5883L Triple-axis Magnetometer Board
$1.39
$0.42
MQ135 Air Quality Gas Sensor Module
$0.92
TTP224 4-Channel Touch Sensor Module
$0.57
$0.17
MQ-3 Gas Sensor Module for Alcohol Detection
$1.06
$0.32
TTP229 16-Channel Capacitive Touch Sensor Module
$0.28
Rain Drop Sensor Module
$0.41
Vibration/Shock Sensor Module (SW420)
$0.40
$0.12
MQ-9 Gas Sensor Module for Carbon Monoxide, Methane and LPG
$0.95
Heart Rate Pulse Sensor Module
$1.32
MQ-7 Gas Sensor Module for Carbon Monoxide
$0.93
