MQ-9 Semiconductor Sensor for CO/Combustible Gas Sensitive material of MQ-9 gas sensor is SnO2, which with lower conductivity in clean

Sensitive material of MQ-7 gas sensor is SnO2, which with lower conductivity in clean air. It make detection by method

MAX30100 / MAX30102 Pulse Oximeter Heart rate detector sensor module Description This modulе is dеsignеd to mеasurе vital signs, including

Product features Model: PT100 Sensor type: Platinum thermal resistance waterproof Measurement accuracy: ±0.3°C at 0ºC Working temperature range: ~ minus