Microphone Sound Sensor Module Voice Sensor High Sensitivity Sound Detection Module Whistle Module

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

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

XH-W2023 PID Temperature Controller Solid State Output 0.1 Precision Temperature Control Switch Automatic Thermostat Controller

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

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

5pcs Soil Moisture Detection Module Water Detect Corrosion Resistance Probe Sensor DC3.3V-12V

Voice Recognition Module With Microphone Control Voice Board

Kl-180 1200W Car Audio Power Amplifier Subwoofer Power Amplifier Board Audio Diy Car Player 12V DC

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

MAX6675 Sensor Module Thermocouple Cable 1024 Celsius High Temperature Available

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