MQ135 SENSOR
- Operating Voltage: 3.3 – 5V.
- Detect/Measure NH3, NOx, alcohol, Benzene, smoke, CO2, etc.
- Analog output voltage: 0V to 5V
- Digital output voltage: 0V or 5V (TTL Logic)
- Detection range:10 ppm-300 ppm NH3, 10 ppm-1000 ppm Benzene, 10 ppm-300 ppm Alcohol
- Heating voltage (high): 5V ± 0.1
- Heating voltage (low): 1.4V ± 0.1
- Load resistance: Adjustable
- Heating resistance: 33Ω ± 5%
- Heating consumption: less than 800mW
- Detection temperature: 20℃±2℃
- Relative humidity: 65%+-5%RH
- Preheat duration 20 seconds
- Can be used as a digital or analogue sensor
- Â The sensitivity of Digital pin can be varied using the potentiometer
- It has a long life and low cost.
- Possesses high sensitivity to ammonia, benzene, sulfide gases.
- simple drive circuit
Smart 3pin DHT11 Digital Temperature And Relative Humidity Sensor Module + PCB
- Operating Voltage: 3.5V to 5.5V
- Operating current: 0.3mA (measuring) 60uA (standby)
- Output: Serial data
- Temperature Range: 0°C to 50°C
- Humidity Range: 20% to 90%
- Resolution: 1%RH humidity, temperature 1
- Accuracy: ±1°C and ±1%
- Low power consumption.
- The module can detect the surrounding environment of the humidity and temperature
- High reliability and excellent long-term stability
- The output from the digital output
- Has fixed bolt hole and easy installation
DS18B20 MODULE
- Resolution: 9bits to 12bits (Selectable)
- Supply Voltage (V): 3 to 5.5
- Temperature Range(°C): -55 to +125
- Measuring Accuracy(°C): ±0.5
- Uses 1-Wire interface- requires only one digital pin for communication
- Unique 64 bit ID burned into the chip
- Multiple sensors can share one pin
- Maximum conversion time and response: 750 ms
- Multidrop capability simplifies distributed temperature sensing applications
- Requires no external components
- Digital signal output
- 18B20 Temperature Sensor Chip
- Send data via a pin
- User-definable nonvolatile (NV) alarm settings
- Dimension: 19*15*6cm
- Weight: 9gm
MQ3 Sensor
- Operating Voltage: 5V ±0.1
- Detecting Concentration: 0.05-10mg/L Alcohol
- Current Consumption : 150mA
- Operation Temperature : -10°C ~ 70°C
- Heater consumption: less than 900mW
- Load resistance: Adjustable
- Heating resistance: 33Ω ± 5%
- Easy SIP header interface
- Compatible with most of the microcontrollers
- Low-power standby mode
- Requires heater voltage
- Good sensitivity to alcohol gas
- Fast response and High sensitivity
- Requires simple Drive circuit
- Dimensions: 32 x 22 x 16 mm
50Kg Pressure Micro Scale Weighing Sensor
- Capacity : 50.kg
- Output Sensitivity (mv/v): 1.0±0.1.
- Nonlinearity (%FS): 0.03.
- Repeatability (%FS): 0.03.
- Input Resistance: 1000. Ω
- Insulation Resistance : ≥5000.MΩ
- Alloy Steel wired weighing load cell
- High Accuracy
- Simple Structure & Easy Installation.
- Internal 1000 Ω half-bridge strain gauge load cell, the range is 50kg, half-bridge structure
- You can use multiple load sensors simultaneously to increase the capacity range, Parallel use to add additional capacity.
Mini LCD Digital Thermometer Sensor Wired for Room Temperature
- Temperature Range: -50 to +110°C
- Temperature Display Resolution: ±0.1
- Temperature Measurement Accuracy: 1°C
- Cable Length: 1 Meter
- Easy to use, small, and handy module.
- Module powered by a pair of LR44 button batteries.
- Display Size: 34 x 15 mm
- Dimension: 46 x 26 x 15 mm
- LCD Digital Thermometer for Aquarium Freezer H155 New modelling is simple, elegant.
- LCD panels connections online, moisture-resistant, strong anti-interference
Tilt Sensor / Vibration Sensor
MQ-9 Carbon Monoxide, Methane and LPG Gas Sensor Module
- Input voltage: DC 5V
- Power: 150mA
- DO output: TTL digital 0 and 1 (0.1 and 5V)
- AO output: 0.1-0.3V (relatively clean), the highest concentration voltage is about 4V.
- Suitable for home or factory gas leakage monitoring devices.
- Have better sensitivity to Carbon Monoxide, Methane and LPG Gas.
- High quality dual-panel design, with power indicator and TTL signal output instructions.
- DO switching signal (TTL) output and AO analog signal output.
- TTL output valid signal is low. (When the output low signal is on, it can be directly connected micro-controller or relay module.)
- Analog output voltage: the higher concentration, the higher voltage.
- Four screw holes, easy positioning.
- Long life and stability, quick response and resume.
DS18B20 PROBE
- Usable temperature range: -55 to 125°C (-67°F to +257°F)
- 9 to 12-bit selectable resolution
- Uses 1-Wire interface- requires only one digital pin for communication
- Unique 64 bit ID burned into a chip
- Multiple sensors can share one pin
- ±0.5°C Accuracy from -10°C to +85°C
- Temperature-limit alarm system
- Query time is less than 750ms
- Usable with 3.0V to 5.5V power/data
- Each pin uses a heat-shrinkable tube to prevent short circuit, internal sealing glue.
- Stainless steel tube encapsulation waterproof moistureproof prevents rust.
- Stainless steel tube 6mm diameter by 30mm long.
- Contains DS18B20 temperature sensor.
- Uses 1-Wire interface- requires only one digital pin for communication.
- Unique 64 bit ID burned into the chip.
- Multiple sensors can share one pin.
- Temperature-limit alarm system.
- Without the external components, the unique single bus.
Magnetic Door Open Sensor – N/C Type
- Max Voltage: 100V DC
- Max Rated power: 10W
- Sensing Distance: 15-25mm
- Wire lead: 24 Awg, about 350mm long
- Rated Current: 100mA
- Connecting mode: N.C. (Normally closed)
- Easy to install
- Strong concealment
- Magnetic sensor alarm, control the switch of the circuit via the built-in magnet
- Alarm when someone intrudes into your places
- Can be used in places like apartments, hotels, offices, etc.
- Ideal for residential or commercial use.
- Designed to do embedded in the door or window frame.
- Dimension: approx. 27 x 14 x 8mm
