Sensors

Comprehensive error: 0.05% F.S
Rated output temperature drift: ≤ 0.15% F.S / 10 ℃
Output Sensitivity: 1.0 ± 0.1 mV / V
Zero drift: 0.05% F.S (1 minute)
Zero point temperature drift: 0.2% F.S / 10 ° C
Zero output: ± 0.1 mV / V
Input impedance: 1000 ± 50Ω
Output impedance: 1000 ± 50Ω
Overload capacity: 150% F.S
Recommended excitation voltage: 5-10V
Operating temperature range: -10 ~ +50 ℃
Application: for high-precision small-scale weighing for micro-automatic testing equipment, micro-weighing equipment, pushing and pulling equipment, pull pressure test
Red: E +
Black: E-
White: A-
Green: A +

Package includes:

1 x Weighing Sensor Load Cell
1 x HX711 Module

Specifications : 

Operating Temperature : 0 - 600℃
Probe Material : Stainless Steel
Probe Diameter : 5mm /0.196inch
Threads Size : 3/8" NPT
Probe Length : 100mm / 3.937inch
Cable Length : 3m
Cable External Shielding : Stainless Steel Braiding
Cable Internal Insulation : Fiberglass
Connector : Spade Type

Package includes :

1 x K Type Thermocouple

The MLX90615 is an Infra Red thermometer for non contact temperature measurements. Both the IR sensitive
thermopile detector chip and the signal conditioning chip are integrated in the same TO-46 can package.
Thanks to its low noise amplifier, 16-bit ADC and powerful DSP unit, a high accuracy and resolution of the
thermometer is achieved. The thermometer is factory calibrated with the digital SMBus compatible

Features

1. 
   Small size, low cost
2. 
   Easy to integrate
3. 
   Factory calibrated in wide temperature range: -40…85°C for sensor temperature and -40…115°C for object temperature
4. 
   High accuracy of 0.5°C over wide temperature range (0...+50°C for both TA and TO )
5. 
   High (medical) accuracy calibration
6. 
   Measurement resolution of 0.02°C
7. 
   SMBus compatible digital interface
8. 
   Power saving mode
9. 
   Customizable PWM output for continuous reading
10. 
    Embedded emissivity compensation
11. 
    3V supply voltage

Datasheets available at https://github.com/arduinolearning/Datasheets/blob/master/MLX90614.pdf

This is a radio frequency ID card reader module that can read the ID card's serial numbers. It can help to design intelligent access control systems. When the module sensed ID card, it will convert the card number into a 9-digit hexadecimal number, each digit of which will be converted into ASCII code. Then it adds a starting byte and 5 other bytes, so a total of 15 bytes output to the serial port. You can convert it into a decimal number that is the serial number engraved on the ID card.

Features:
- Support Card Type: Read-only ID cards (such as EM4100, EM4001, etc.)
- Working voltage: 4.5~5.5VDC
- Working current: 40mA (max)
- Working frequency: 125KHz
- Reading distance: 2~5cm
- Logic Interface: UART TTL serial port
- Communication format: 8N1
- Baud rate: 9600
- Induction coil: pluggable
- Coil size: 35X40mm
- Coil lead length: 15cm
- Great for DIY
- Applications: Access control systems, Attendance system

Features:

Relative humidity range: 0 ~ 100%
The temperature range: -40°C ~ +85°C
Humidity measurement response time: 1S
Hysteresis: 2% relative humidity
Pressure range: 300 ~ 1100 hPa
Absolute pressure accuracy: absolute ± 1hPa (after soldering)
Absolute temperature accuracy: ±0.5°C (at 25°C)
Communication interface: I²C, SPI

Package includes:

1 x Sensor

This is split-core current transformer is an AC current sensor. It is used for current measurement, monitor and protection for AC motors, lighting equipment, air compressors, home automation etc.
Features:
- Opening size: 13x13mm
- Rated input current (RMS): 10% - 120% of that is 3A - 36A
- Output voltage(RMS): linear output. When the input current is 30A, the output voltage is 1V
- Linearity: ± 3%
- Output connectors: 3.5mm standard three-pin plug
- Lead length: 1 m

This sensor is perfect for use with our Raspberry Pi RPICT3T1 current and temperature sensor board.

This is asplit-core current transformer which is used as an AC current sensor. It is popularly used for current measurement, monitoring and protection for AC motors, lighting equipment, air compressors, home automation etc.
Features:
- Opening size: 13 x 13mm
- Rated input current (RMS): 10% - 120% of that is 1A~12A
- Output voltage(RMS): linear output. when the input current is 10A, the output voltage is 1V
- Linearity: ± 3%
- Output connectors: 3.5mm standard three-pin plug
- Lead length: 1m

Features:

Smart car or a robot line following (including black and white lines).
Smart car to avoid obstacle and cliff, anti-drop.
Can be applied to other automation applications.

Specifications:

Working voltage: DC 3.3V-5V
Working current: try to use more than 1A power supply
Working temperature: -10°C to +50°C
Mounting: M3 screw holes
Detection range: 1mm to 60cm adjustable, the closer the performance more stable, white reflects the farthest distance.
Output interface: 6 wire interface (1234 to 4 signal output ends, + positive power, - for the negative power is ground)
The output signal: TTL level (can be directly connected to I/0 microcontroller, infrared light reflected back to the sensor induction, red indicator light, output low level; no infrared light, the indicator light does not shine, the output is high.)

Package includes:

1 x Tracking Module (Board + 4 sensors)
1 x Female to Female Dupont jumpers

Features:

MQ-2:
Detection concentration: 300-1000ppm(combustible gas).

MQ-3:
Used in motor vehicles and other no drunken drivers homework personnel on-site testing, also used in other places of ethanol vapor detection.

Feature:
Size: 32 x 22 x 27mm
Main chip: LM393, ZYMQ - 3 gas sensors
Working voltage: DC 5V
1, With a signal output instructions.
2, Two-way signal output (TTL level output and analog output)
3, TTL output signal for low level effectively.(when the low output electric signal lights at ordinary times, can be directly by single chip microcomputer)
4, Analog 0 - 5V voltage, the higher the concentration, the higher the voltage.
5, To ethanol steam has a high sensitivity and good selectivity.
6, In June and has long service life and reliable stability.
7, Rapid response recovery features.


MQ-4:

1, Using high-quality dual-panel design, with power indicator and TTL signal output instructions;
2, With a DO switch signal (TTL) output and AO analog signal output;
3, TTL output valid signal is low. (When the output low signal light can be directly connected microcontroller or relay module)
4, The analog output voltage, the higher the concentration the higher the voltage.
5, Methane, natural gas has better detection sensitivity.
6, There are four screw holes for easy positioning;
7, Product Dimensions: 32 (L) * 20 (W) * 22 (H)
8, With a long service life and reliable stability
9, Rapid response and recovery characteristics
 
Electrical properties:
Input voltage: DC5V power (current): 150mA
DO output: TTL digital 0 and 1 (0.1 and 5V)
AO output :0.1-0 .3 V (relatively clean), the highest concentration of voltage around 4V

MQ-5:

Suitable for home or industrial on LPG, natural gas, coal gas monitoring devices. Excellent resistance to alcohol, smoke interference.

Module Features:
1, Using high-quality dual-panel design, with power indicator and TTL signal output instructions;
2, With a DO switch signal (TTL) output and AO analog signal output;
3, TTL output valid signal is low. (When the output low signal light can be directly connected microcontroller or relay module)
4, The analog output voltage, the higher the concentration the higher the voltage.
5, For gas, natural gas has better detection sensitivity.
6, There are four screw holes for easy positioning;
7, Product Dimensions: 32* 20 * 22
8, With a long service life and reliable stability
9, Rapid response and recovery characteristics
 
Electrical properties:
Input voltage: DC5V power (current): 150mA
DO output: TTL digital 0 and 1 (0.1 and 5V)
AO output :0.1-0 .3 V (relatively clean), the highest concentration of voltage around 4V

MQ-6:

Suitable for domestic or industrial on LPG (liquefied petroleum gas), butane, propane, LNG (liquefied natural gas) detection devices. Excellent resistance to ethanol vapor, smoke interference.

Module Features:
1, Using high-quality dual-panel design, with power indicator and TTL signal output instructions;
2, With a DO switch signal (TTL) output and AO analog signal output;
3, TTL output valid signal is low. (When the output low signal light can be directly connected microcontroller or relay module)
4, 0 ~ 5V analog output voltage, the higher the concentration the higher the voltage.
5, The propane, butane, LPG, LNG has a good detection sensitivity.
6, There are four screw holes for easy positioning;
7, Product Dimensions: 32 (L) * 20 (W) * 22 (H)
8, With a long service life and reliable stability
9, Rapid response and recovery characteristics
 
Electrical properties:
Input voltage: DC5V power (current): 150mA
DO output: TTL digital 0 and 1 (0.1 and 5V)
AO output :0.1-0 .3 V (relatively clean), the highest concentration of voltage around 4V

MQ-7:

For home, carbon monoxide detection device environment. Suitable for carbon monoxide and gas detection.

Module Features:
Detection of concentration: 10-1000ppmCO
Loop voltage Vc: <=10V DC
Heater voltage Vh: 5.0V ±0.2V  ACorDC(high)
Load resistance: adjustable.
Heater  resistance RH: 31ohm ± 3 ohm(room temperature)
Heater power consumption PH: <=350mW

Standard test conditions:
Temperature: 20 degree ± 2 degree
Humidity: 65% ± 5% RH
Standard test circuit: Vc: 5.0V ± 0.1V; Vh(high):5.0V±0.1V
                                   Vh(low):1.5V±0.1V

1, The analog output voltage, the higher the concentration the higher the voltage.
2, The carbon monoxide detection with better sensitivity.
3, There are four screw holes for easy positioning;
4, Product Dimensions: 32 (L) * 20 (W) * 22 (H)
5, With a long service life and reliable stability
6, Rapid response and recovery characteristics
 
Electrical properties:
Input voltage: DC5V power (current): 150mA
DO output: TTL digital 0 and 1 (0.1 and 5V)
AO output :0.1-0 .3 V (relatively clean), the highest concentration of voltage around 4V

MQ-8:

Suitable for domestic or industrial hydrogen leak on a monitoring device. Are not subject to ethanol vapor, soot, carbon monoxide and other gases interference.

MQ-9:

For home or factory gas leak detection device, suitable for carbon monoxide, combustible gas monitoring device.

Can test carbon monoxide: 10 to 1000ppm CO
Combustible gas range: 100 to 10000ppm

Module Features:
Loop voltage Vc: <=10V DC
Heater voltage Vh: 5.0V ±0.2V  ACorDC
Heater resistance: 31 ohm ± 3 ohm(room temperature).
Heater power consumption PH: <=900mW
Standard test conditions:
Temperature: 20 degree ± 2 degree
Humidity: 65% ± 5% RH
Standard test circuit: Vc: 5.0V ± 0.1V
                                   Vh:5.0V±0.1V
Warm up time: more than 48 hours.

MQ-135:

MQ135 gas sensor is sensitive material used in clean air, low conductivity tin dioxide (SnO2). When the sensor is kept in their environment
The contaminated gas, the conductivity of the sensor with the air pollution gas concentration increases. Using a simple circuit can be changes in the conductivity
Of the concentration of the gas is converted to the corresponding output signal.
MQ135 sensor for ammonia, sulfide, benzene vapor high sensitivity, smoke and other harmful monitor is also very satisfactory. This sensor can detect a
Measuring a variety of harmful gases, is a low-cost sensors for a variety of applications.

Module Applications:
For home, environmental harmful gas detection device, suitable for ammonia, aromatic compounds, sulfur, benzene vapor, smoke and other gases harmful gas detection, gas sensors tested concentration range: 10 to 1000ppm.

Module Features:
Loop voltage Vc: <=24V DC
Heater voltage Vh: 5.0V ±0.2V  ACorDC
Load resistance: Adjustable
Heater resistance: 31 ohm ± 3 ohm(room temperature).
Heater power consumption PH: <=900mW
Sensitive body surface resistance Rs:2K ohm - 20K ohm(in 100ppm NH3)
sensitivity S: Rs(in air)/ Rs(100ppmNH3)>=5
Standard test conditions:
Temperature: 20 degree ± 2 degree
Humidity: 65% ± 5% RH
Standard test circuit: Vc: 5.0V ± 0.1V
                                      Vh:5.0V±0.1V
Warm up time: More than 48 hours.

Package includes:

1 x MQ2
1 x MQ-3
1 x MQ-4
1 x MQ-5
1 x MQ-6
1 x MQ-7
1 x MQ-8
1 x MQ-9
1 x MQ-135
1 x 20pcs 20cm male to female jumper cable
1 x 20pcs 20cm female to female jumper cable

This is a summary of the soil moisture sensor that can be used to detect moisture, when the soil is dry, the module outputs a high level. Use this sensor to build an automatic watering system.

Operating voltage: 3.3V~5V.
Adjustable sensitivity (blue digital potentiometer adjustment)
Dual output mode,analog output more accurate.
A fixed bolt hole for easy installation.
Power indicator (red) and digital switching output indicator (green).
LM393 comparator chip, stable.
PCB Dimension: 3cm x 1.5cm.
Soil Probe Dimension: 6cm x 2cm.
Cable Length: 21cm.

VCC: 3.3V-5V.
GND: GND.
DO: digital output interface (0 and 1).
AO: analog output interface.


Package Includes:

1 x Soil moisture detector module
1 x Probe
5 x Jumper Cables

Product information
This digital barometer has some interesting applications. By measuring the absolute pressure of the environment and converting this into altitude. you will have a reliable sensor for determining the height of your robot, plane or projectile. This sensor is capable of achieving an accuracy of 1m, with noise of only 17cm in ultra-high resolution. The device will operate at only 0.3uA meaning low current draw for battery powered applications.

Specifications
1.8V to 3.6V Supply Voltage
Low power consumption - 0.5uA at 1Hz
I2C interface
Max I2C Speed: 3.5 MHz
Very low noise - up to 0.02hPa (17cm)
Fully calibrated
Pressure Range: 300hPa to 1100hPa (+9000m to -500m)
Weight: 1.18g
Size: 21mm x 18mm

Package includes
1 x BMP180 Digital Barometric Pressure Sensor Board Module
1 x Male to Male 4 pin header