E11

Features
1. A temperature sensor module that uses a DS18B20 Temperature Sensor. The sensor uses a 1-wire bus and outputs temperature data.
2. Directly output temperature values in Celsius.
3. Temperature measurement range: -55℃ ~ +125℃, with an inherent error of 1℃.
4. Small-sized, low-cost hardware, strong capacity of resisting disturbance, high precision.
5. Working voltage: 3.3-5V DC; PCB size: 2.0 x 2.0 cm.

Features
1. HIGH SENSITIVITY – sensitive to LGP, propane, and hydrogen, also applicable to other fuel gas.
2. WIDE DETECTING RANGE – sensitive to gas in different concentration levels
3. DIGITAL AND ANALOG SIGNALS OUTPUT - With a comparator LM393 to output both digital and analog signals.
4. ADJUSTABLE SENSITIVITY – Blue potentiometer is to adjust the sensitivity for gas.
5. SPECIFICATIONS - Working voltage: 3.3V - 5V; PCB size: 2.3 x 4.0cm
6. For more details, click http://wiki.sunfounder.cc/index.php?title=MQ-2_Gas_Sensor_Module

Features
1. An analog temperature sensor module that consists of an NTC thermistor, resistor, capacitor in a circuit.
2. The NTC thermistor is very sensitive to ambient temperature and hence widely used to detect the temperature, with a wide range of temperature measurement.
3. Working voltage: 3.3V-5V; PCB size: 2.0 x 2.0 cm.
4. High measurement accuracy with a wide range, good stability, and strong overload capacity.
5. A 3-pin anti-reverse cable included.

Features
1. A humiture sensor module to test temperature and humidity, which uses the sensor DHT11.
2. Humidity measurement range: 20 - 90%RH.
3. Temperature measurement range: 0 - 60℃.
4. Output digital signals indicating temperature and humidity.
5. Working voltage:DC 5V; PCB size: 2.0 x 2.0 cm.

Features
1. A flame sensor module that consists of a flame sensor, resistor, capacitor, potentiometer, and comparator LM393 in an integrated circuit.
2. Sensitive to flame, also responsive to general light; generally used for flame.
3. Detect flame or light of a wavelength ranging from 760 to 1100 nm.
4. Output clean signals by a comparator, with good waveform and driving capability as strong as more than 15mA.
5. Working voltage: 3.3V - 5V; PCB size: 2.3 x 2.3 cm.

Features
1. BMP180 is a high-precision, small-sized and ultra-low-power barometer. It is applicable to mobile devices.
2. It contains a built-in stabilivolt (3.3V), thus being able to work under 5V. PCB size: 2.3 x 2.3 cm.
3. Excellent performance. Its absolute accuracy can be down to 0.03 hPa. Ultra low power consumption as 3μA.
4. Pressure range: 300~1100hPa (9000 to 500 meters elevation).
5. With temperature output and an I2C bus.

Features
1. An NTC thermistor sensor is included, supporting high sensitivity.
2. A comparator LM393 is contained, so it can output both digital and analog signals at the same time.
3. Include a potentiometer to adjust the threshold of detection.
4. Working voltage: 3.3V-5V; PCB size: 2.3 x 2.3 cm.
5. High measurement accuracy with a wide range, good stability, and strong overload capacity.