Ultrasonic Sensor Module Distance Measuring Meter Ranging Sensor 1cm-600cm Adjustable Relay Output with Probe and Display 12V/24V DC

LED Thermometer 3 Way FlowMeter For Water Cooling Liquid Cooler System With 2 Barbs

NDIR CO2 Sensor MH-Z14A PWM NDIR Infrared Carbon Dioxide Sensor Module Serial Port 0-5000PPM Controller

2Pcs Laser Receiver Non-modulator Tube Sensor Module Geekcreit for Arduino — products that work with official Arduino boards

3Pcs Geekcreit® Ultrasonic Module HC-SR04 Distance Measuring Ranging Transducer Sensor DC 5V 2-450cm Geekcreit for Arduino — products that work with official Arduino boards

STC-3028 12V 24V DC 10A Digital Temperature Humidity Meter Thermostat LCD Display Thermoregulator Hygrometer Adjustable Heater Regulator

Geekcreit® AM2302 DHT22 Temperature And Humidity Sensor Module Geekcreit for Arduino — products that work with official Arduino boards

Voice Recognition Module With Microphone Control Voice Board

CJMCU-8128 CCS811+SI7021+BMP280 Carbon Dioxide CO2 VOCs Temperature Humidity Gas Pressure Sensor

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Geekcreit® W1209 DC 12V -50 to +110 Temperature Sensor Control Switch Thermostat Thermometer

MAX6675 Sensor Module Thermocouple Cable 1024 Celsius High Temperature Available