Environmental (temperature, humidity, air quality)

SKU: LB-LR0214-16 | Brand: Little Bird

This compact 12V temperature controller features a 3-digit LED display for setting and monitoring temperature, along with a built-in 10A relay for switching heating or cooling loads. It uses an NTC thermistor probe (i...

SKU: SF-SEN-17052 | Brand: SparkFun

The MQ-136 is a Hydrogen Sulfide detection sensor with a sensing range of 1 - 200ppm. The sensing element is SnO2, which has lower conductivity in clean air. When H₂S gas exists, the sensor’s conductivity gets higher ...

SKU: LI-650-0022 | Brand: Little Bird

The littleBits Temperature Sensor responds to the ambient temperature surrounding its probe, sending a stronger signal as the temperature increases. It's a simple way to add temperature sensing to your littleBits circ...

SKU: AF-249 | Brand: Adafruit

This pack includes everything you need to build a light and temperature data logger with an Arduino. The Adafruit data logger shield records sensor readings to an SD card with real-time timestamps, while the included ...

SKU: AF-4881 | Brand: Adafruit

Here is a jolly cute, palm-sized, Bluetooth-enabled sensor to monitor your room's temperature and humidity. Only 43mm x 43mm, we dig its small form factor and minimal design. The shell is made of durable ABS&nbsp...