Compare Breakout of DHT11 Temperature and Humidity Sensor $5.20 This DHT11 Temperature and Humidity Sensor features a calibrated digital signal output with the temperature and humidity sensor complex,ensureing the high reliability and excellent long-term stability. A high-performance 8-bit microcontroller is... 0 Add to Cart
Compare MQ2 Smoke Detector Shield for Arduino/pcDuino $5.99 MQ2 flammable gas and smoke sensor detects the concentrations of combustible gas in the air and ouputs its reading as an analog voltage. The sensor can measure concentrations of flammable gas of 300 to 10,000 ppm.The sensor can operate at... 0 Add to Cart
