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
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
MP3 FN-M22P Audio Player Sound Module
- Supports MP3 and WAV decoding.
- Sampling rates supported: 8/11.025/12/16/22.05/24/32/44.1/48(kHz).
- 24-bit DAC output
- Supports dynamic range 90dB and SNR 85dB.
- Supports multiple key control mode, parallel control mode, and UART serial port control modes.
- Possible to update audio files in the SD card via USB connecting with a PC.
- Supports playback of 63 audio files through binary encoding in parallel mode.
- Supports inter-cut advertisements.
- 30 levels adjustable volume.
- Built-in 3W amplifier that can directly drive a 3W/8Ohm speaker.
- Support maximum 3000 audio files under the root directory of the storage device
- Support maximum of 99 folders, each folder can store 255 audio files
- Supports multiple playback files without any pause
- Supports advertisement inter-cut function during playing a sound in serial mode.
- Power input range: DC 3.3-5V (5V is typical)
- Dimension: 40x40mm
LM35 SENSOR
- Calibrated Directly in Celsius (Centigrade)
- Operates from 4 V to 30 V
- Linear + 10-mV/°C Scale Factor
- ±0.5°C Ensured Accuracy (at 25°C)
- Can measure temperature ranging from -55°C to 150°C
- Less than 60-µA Current Drain
- Low Self-Heating, 0.08°C in Still Air
- Non-Linearity Only ±¼°C Typical
- Low-Impedance Output, 0.1 Ω for 1-mA Load.
- Drain current is less than 60uA
- The output voltage is directly proportional (Linear) to temperature (i.e.) there will be a rise of 10mV (0.01V) for every 1°C rise in temperature
- Suitable for Remote Applications
- Low-cost temperature sensor
- Available in TO-92, TO-220, TO-CAN, and SOIC package
Analog Hall Magnetic Sensor Module
- Operating Voltage: 3.3V-5V
- Wide range voltage comparator LM393
- Number of Pins: 4.
- Sensitivity is Adjustable.
- Output form digital switch output (0 and 1 high and low level)
- The output effective signal is a low level
- Signal output indicator with the retaining bolt hole, convenient installation
- When there is sound, outputs low level and the signal light
- Single-channel signal output
- Can be used for Acoustic control light, give sound and light alarm working with the Photosensitive sensor, and sound control, sound detect
IR Sensor Array of 8
- 8 IR Sensors with High Range
- Operating voltage: 3.3 to 5V
- Current supply: 100mA
- Output format: 8 digital I/O compatible signal
- Optimal sensing distance: 3 mm.
- Maximum recommended sensing distance: 6 mm
- Distance between each IR Sensor: 15mm
- Analog and Digital Output pins
- Potentiometer to adjust the sensitivity of the individual sensors
- Applications Line Follower Robots Object Array Sensing
- No analogue to digital conversion requires
- Improved sensitivity over voltage-divider analogue output
- Parallel reading of multiple sensors is possible
- Quality FR4 grade PCB for best performance.
- Dimension: 74.93mm x 12.7mm x 3.175mm
IR Infrared Obstacle (Imported)
- Operating wavelength: Near-infrared region 700 nm to 1400 nm
- Main Chip: LM358
- Operating Voltage Range: 3.6V-5V DC
- Average Current Consumption: 06mA
- Distance Measuring Range: 2 to 30cm
- Detection angle: 35 °
- Easy to assemble and use
- On-board detection indication
- the effective distance range of 2cm to 80cm
- A pre-set knob to fine-tune distance range
- If there is an obstacle, the indicator lights on the circuit board
- 3mm screw holes for easy mounting
- Dimensions: 48 x 14 x 8mm
- Weight:5gm
E-18-D80 NK Infrared sensor
- Model: E18-D80NK
- Input voltage: 5VDC
- Sensing range: 3 – 80cm
- Current Consumption: 300mA.
- Cable length: 1 m.
- Current: 100mA
- Pointing Angle: ≤ 15
- Appearance: threaded cylindrical
- Diameter: 18mm
- Length: 45mm
- Detection of object: transparent or opaque
- Output operation: normally open
- Diameter: 17MM
- Â Reverse polarity protection
- Digital Output.
- Can detect colour differences from a certain range.
- TTL output is low whenever the sensor senses an obstacle.
- External control circuit unnecessary.
- Diffuse reflective type.
- Low consumption.
- Operating temperature: -25℃ to 55℃
- Material: plastic
- Red: +5V; Yellow: Signal; Green: GND
HX 711 Module
- Differential input voltage: ±40mV (Full-scale differential input voltage is ± 40mV)
- Data accuracy: 24 bit (24 bit A / D converter chip.)
- Output Sensitivity: 1.0 ± 0.1 mV / V.
- Refresh frequency: 10/80 Hz
- Operating Voltage: 2.7V to 5VDC
- Operating current: <10 mA
- Recommended excitation voltage: 5-10V.
- Two selectable differential input channels.
- On-chip active low noise PGA with a selectable gain of 32, 64, and 128.
- On-chip power supply regulator for load-cell and ADC analogue power supply.
- Selectable 10SPS or 80SPS output data rate.
- On-chip oscillator requiring no external component with optional external crystal.
- On-chip power-on-reset.
- Simple digital control and serial interface: pin-driven controls, no programming needed.
- Simultaneous 50 and 60Hz supply rejection.
- Dimension: 24x16mm
HEART BEAT SENSOR
PIR Sensor
- Wide Working Voltage Range: DC 4.5V- 20V
- Current Drain: <60uA
- Detection Angle: <140°
- Detection Distance: 3 to 7m (can be adjusted)
- Blockade time: 2.5s (Default)
- Work temperature: -20-+80°C
- Colour: White + Green OR White + Blue
- Infrared Sensor with Control Circuit Board
- The Sensitivity and Holding Time Can be Adjusted
- Voltage Output: High/Low level Signal: 3.3V TTL output
- Delay Time: 5 to 200s (Can be Adjusted, Default 5s +/- 3%)
- Blockade time: 2.5s (Default)
- Sensitive Setting: Turn to Right, Distance Increases (About 7M); Turn to Left, Distance Reduce (About 3M)
- Time Setting: Turn to Right, Time Increases (About 200S); Turn to Left, Time Reduce (About 5S).
- Dimension: 3.2cm x 2.4cm x 1.8cm
GY-906-BCC MLX90614ESF-BCC IR TEMPERATURE MODULE
- Input supply: 3V-5V
- Input current: 2mA
- Small size, low cost.
- Mounted on a breakout board with two types of pins.
- 10k pull up resistors for the I2C interface with optional solder jumpers.
- Easy to integrate
- Factory calibrated in a wide temperature range
- Mounted on a breakout board with two types of pins
- -40 degrees to 125 degrees C for sensor temperature
- -70 degrees to 380 degrees C for object temperature.
- High accuracy of 0.5C over a wide temperature range
- The measurement resolution of 0.02C
- Single and dual-zone versions
- SMBus compatible digital interface
- Customizable PWM output for continuous reading
- Simple adaptation for 8v to 16V applications
- Sleep mode for reduced power consumption
- Different package options for applications and measurements versatility