PH Water Quality Sensor Module, pH Range 0 - 14, Output Mode RS485 (5V)

Electrical Conductivity Water Quality Detection Sensor, Detection Range 0-20000uS/cm, Signal Output 4 - 20mA/RS485

Temperature and Humidity Sensor, Measure Range 20 to 95%RH, 0°C to 60°C, Standard Single Bus Serial Interface

Temperature and Humidity Sensor, Measure Range 0 to 100%RH Accuracy ±3%RH Typ, -40°C to 85°C Accuracy ±0.5°C Typ, I2C Interface

Temperature and Humidity Sensor, Measure Range 20 to 90%RH, Accuracy ±5%RH, -20°C to 60°C, Accuracy ±1°C, I2C Interface

Pyroelectric Human Sensing Module (White Version) 1 Signal Output, Working Voltage 4.8-5.5VDC, Detecting Infrared Wavelengths 7um -14um

Pyroelectric Infrared Sensor Module, 1 Signal Output, Working Voltage 5-20Vdc, Detection Angle 100 Degree (Depend on the Lens)

Air-Quality Detection Module, Sensitivity to Volatile Organic Gases, Measurement Range 0-10mg/m^3, UART(5V) Output

Air-Quality Detection Module, Pin Type, Sensitivity to Volatile Organic Gases, 0-10 Grades Pollution Level Output

Non-Dispersive Infrared (NDIR) CO2 Sensor Module, Terminal Type, Detection 400-5000ppm, Resolution 1ppm, UART TTL Level 3.3V and PWM Output Signal

Non-Dispersive Infrared (NDIR) CO2 Sensor Module, Pin Type, Detection 400-5000ppm, Resolution 1ppm UART TTL Level 3.3V and PWM Output Signal

Electrochemical Detection Module, Target Gas SO2, Detection Range 0-1ppm, UART(3V Level, Compatible with 5V)/0.4V-2V Output

Electrochemical Detection Module, Target Gas O3, Detection Range 0-1ppm, UART(3V Level, Compatible with 5V)/0.4V-2V Output

Electrochemical Detection Module, Target Gas NO2, Detection Range 0-1ppm, UART (3V Level, Compatible with 5V)/0.4V-2V Output

Infrared Refrigerant R290 Sensor Module, Detection Range 0 - 100% LFL, Resolution 1% LFL

Electrochemical Detection Module, Target Gas NH3, Detection Range 0-100ppm, Resolution 1ppm, UART (3V TTL Level)/0.6V-3V Output Signal

Electrochemical Detection Module, Target Gas CO Measurement Range 0-100.0ppm UART and Analog Voltage Output

Electrochemical Formaldehyde (CH2O) Detection Module, Detection Range 0-5ppm, UART (3V TTL level) Output Signal

Electrochemical Formaldehyde (CH2O) Detection Module, Detection Range 0-5ppm, UART(3V TTL level) and PWM (3V)/0.4V-2V Output

Non-Dispersive Infrared (NDIR) CO2 Sensor Module, Pin Type, Detection 400-5000ppm, Resolution 1ppm, PWM/UART(TTL level 3.3V) Output Signal