Thermostat Sensor 145D
Thermostat Sensor 180D
MQ2 Sensor
- Operating Voltage: +5V
- Can be used to Measure or detect LPG, Alcohol, Propane, Hydrogen, CO, and even methane
- Analogue output voltage: 0V to 5V
- Digital Output Voltage: 0V or 5V (TTL Logic)
- Preheat duration 20 seconds
- Can be used as a digital or analogue sensor
- Load resistance: 20 KΩ
- Heater resistance: 33Ω ± 5%
- Heating consumption: <800mw
- Sensing Resistance: 10 KΩ – 60 KΩ
- Detection range: 200 – 10000ppm
- Preheat Time: Over 24 hour
- High sensitivity to LPG, Propane, and Hydrogen
- The Sensitivity of a Digital pin can be varied using the potentiometer
MQ4 Sensor
- Power requirements: VCC - 5V±0.1
- DO output: TTL digital 0 and 1 (0.1 and 5V)
- AO output: 0.1-0 .3 V (relative to pollution), the maximum concentration of a voltage of about 4V
- Detection Gas: Natural gas/Methane
- Detection Concentration: 200-10000ppm (Natural gas / Methane)
- Interface: 1 TTL compatible input (HSW), 1 TTL compatible output (ALR)
- Heater consumption: less than 750mw
- Operating temperature: 14 to 122 °F (-10 to 50°C)
- Â Related humidity less than 95%Rh
- Load resistance: 20KΩ
- Sensing Resistance: 10KΩ- 60KΩ (1000ppm CH4)
- Preheat time: Over 24 hour
- Standard Encapsulation Bakelite, Metal cap
MQ5 SENSOR
- Power requirements: VCC - 5V±0.1
- DO output: TTL digital 0 and 1 (0.1 and 5V)
- AO output: 0.1-0 .3 V (relative to pollution), the maximum concentration of a voltage of about 4V
- Detection Gas: LPG, natural gas, town gas
- Detection Concentration: 300-10000ppm
- Heating voltage: 5V±0.1
-  Load resistance: 20KΩ
-  Heater resistance: 31±10%
- Â Heating consumption: less than 800mw
- Operating temperature:-10 to 50°C
- Related humidity less than 95%Rh
- Sensing Resistance: 10KΩ- 60KΩ (1000ppm CH4)
- Preheat time: Over 24 hour
MQ6 SENSOR
- Power requirements: VCC - 5V±0.1
- DO output: TTL digital 0 and 1 (0.1 and 5V)
- AO output: 0.1-0 .3 V (relative to pollution), the maximum concentration of a voltage of about 4V
- Detection Gas: LPG, iso-butane, propane, and LNG
- Detection Concentration: 200-10000ppm
- Heating voltage: 5V±0.1
-  Load resistance: 20KΩ
-  Heater resistance: 33±10%
- Â Heating consumption: less than 750mw
- Operating temperature:-10℃-50℃
- Related humidity less than 95%Rh
- Sensing Resistance: 10KΩ- 60KΩ (1000ppm LPG)
- Preheat time: Over 24 hour
- High sensitivity to LPG, iso-butane, propane
- Small sensitivity to alcohol, smoke.
- Fast response
- Simple drive circuit
DS1820 Temperature Sensor
- Unique 1–Wire interface requires only one port pin for communication
- Multidrop capability simplifies distributed temperature sensing applications
- Requires no external components
- Can be powered from the data line
- Zero standby power required
- Measures temperatures from –55° C to +125° C in 0.5° C increments.
- Temperature is read as a 9–bit digital value.
- Converts temperature to digital word in 200 ms (Typ.)
- User-definable, nonvolatile temperature alarm settings
- Alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition)
DHT11 Sensor
MQ7 GAS SENSOR
- Operating Voltage: 3.3 – 5V.
- Type: Analog Sensor.
- Can detect the presence of carbon monoxide
- Heating voltage (high): 5V ± 0.1
- Heating voltage (low): 1.4V ± 0.1
- Load resistance: Adjustable
- Heating resistance: 33Ω ± 5%
- Heating time (high): 60 ± 1 seconds
- Heating time (low): 90 ± 1 seconds
- Heating consumption: About 350mW
- Using temperature: -20°C-50°C
- Storage temperature: -20°C-50°C
- Relative humidity: Less than 95%RH
- Oxygen concentration: 21%(stand condition) the oxygen concentration can affect the sensitivity characteristic
- Stable, long life and low cost
- Good sensitivity to Combustible gas in a wide range
MQ8 GAS SENSOR
- Operating Voltage: 3.3 – 5V.
- Type: Analog Sensor.
- Detection range: 100~1000ppm(H2 gas)
- Heating voltage (high): 5V ± 0.1
- Heating voltage (low): 1.4V ± 0.1
- Load resistance: Adjustable
- Heating resistance: 31Ω ± 5%
- Heating consumption: less than 800mW
- Using temperature: -20°C-50°C
- Storage temperature: -20°C-50°C
- Relative humidity: 55%+-5%RH
- High Sensitivity for Hydrogen
- Small sensitivity to alcohol, LPG, cooking fumes
Water Float Sensor Black
- Rating contract (Max.): 10 W
- Switching power supply (Max.): 110VDC
- Resistance contract (Max.): 100 Ω
- Breakdown Voltage (Max.): 220VDC
- Current (Max.): 1A
- Body Total Length (mm) : 85
- Cable Length (cm) : 3
- Total Float opening: 70
- Float Switch ON/OFF angle: Approx. between 15 to 20
- Operating Temperature (C): -10 to 60
- Cable length: 40cm
- No electrical contact with water.
- Shockproof
- Corrosion-free and rust-free
- Float Ball Size: 24×17mm
- Weight : 0.02 kg
