SDS011 High Precision Laser 2.5 Air Quality Detection Sensor

Specifications

• Sensor Type: Laser Scattering Sensor
• Applications: Air quality monitoring, environment assessment, industrial usage, indoor air purification systems, and IoT integrations.
• Supported Measurements:
  • PM2.5 (Particulate Matter ≤ 2.5 microns)
  • PM10 (Particulate Matter ≤ 10 microns)

• Particle Detection Range: 0.3μm – 10μm
• Concentration Range:
  • 0 – 999 μg/m³
• Precision: ±10% at 100 to 500 μg/m³
• Resolution: 0.3 μg/m³
• Response Time: ≤ 10 seconds
• Stability: Less than 10% deviation over 10,000 hours of continuous use.
• Calibration: Factory-calibrated for enhanced precision.

Electrical Characteristics

• Input Voltage: DC 5V ± 0.1V
• Operating Current: ≤ 70mA
• Standby Current: < 10μA
• Interface: UART (Default baud rate: 9600 bps) and PWM output.
• Output Modes:
  • UART: Provides continuous real-time data in a serial format.
  • PWM: Output proportional to PM concentration.

Mechanical Characteristics

• Dimensions: 71mm x 70mm x 23mm (L x W x H)
• Weight: Approximately 70g
• Mounting: Through-hole design for easy integration into systems.
• Air Inlet: Fan-assisted air intake for continuous sampling.

Environmental Conditions

• Operating Temperature: -10°C to +50°C
• Operating Humidity: 0 – 70% RH (non-condensing)
• Storage Temperature: -20°C to +60°C

Features

1. High Precision: Laser-based scattering technology ensures reliable detection.
2. Real-time Monitoring: Outputs data every second.
3. Integrated Fan: Ensures steady airflow for accurate readings.
4. Durability: Long lifespan of up to 8,000 hours of continuous operation.
5. Compact Design: Suitable for portable and embedded applications.
6. Low Power Consumption: Ideal for battery-powered devices.

Data Output Protocol

• UART Output:
  • Data Frame Length: 10 bytes
  • Includes PM2.5 and PM10 concentrations in μg/m³.
• PWM Output:
  • Duty cycle is proportional to the concentration levels.
  • Adjustable range for different resolutions.

Applications

• Indoor and outdoor air quality monitoring
• Smart homes and IoT devices
• Environmental protection systems
• HVAC systems
• Industrial air pollution control

SDS011 High Precision Laser 2.5 Air Quality Detection Sensor
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ENS160 AHT21 Carbon Dioxide CO2 TVOC Air Quality Temperature & Humidity Sensor

The ENS160 and AHT21 module combines the ENS160 gas sensor with the AHT21 temperature and humidity sensor to measure air quality parameters, including CO2 equivalents (eCO2), Total Volatile Organic Compounds (TVOC), temperature, and humidity.

Specification

• Manufacturer: ScioSense
• Purpose: Air quality monitoring for indoor applications.
• Sensing Capabilities:
  • CO2 Equivalent (eCO2): Estimated CO2 levels based on volatile organic compound (VOC) concentrations.
  • TVOC: Measures total volatile organic compound levels in the environment.
  • IAQ (Indoor Air Quality) Index: An air quality index value is provided.
• Technology:
  • Based on MOX (Metal Oxide Semiconductor) technology with advanced signal processing.
  • Integrated microcontroller for processing sensor readings.
• Output:
  • I²C and SPI communication interfaces.
  • Configurable interrupt signal for threshold alerts.
• Power Requirements:
  • Supply Voltage: 3.3V – 5.0V.
  • Low-power modes are available for energy-efficient operation.
• Operating Conditions:
  • Temperature: -40°C to +85°C.
  • Humidity: 10% to 95% RH (non-condensing).
• Calibration:
  • Pre-calibrated at the factory.
  • The self-calibration algorithm adapts to the environment over time.
• Applications:
  • HVAC systems.
  • Smart home devices.
  • Indoor air quality monitoring.
  • Automotive air control.

ENS160 AHT21 Carbon Dioxide CO2 TVOC Air Quality Temperature & Humidity Sensor
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KY-037 Voice Sound Detection Sensor

Specifications

• Name: KY-037 Voice Sound Detection Sensor
• Module Type: Sound Detection
• Use Case: Sound intensity monitoring and sound-triggered actions
• Output Type: Analog and Digital

2. Electrical Specifications

• Operating Voltage: 3.3V – 5V
• Output:
  • Analog Output (AO): Varies with sound intensity, and is useful for measuring sound amplitude.
  • Digital Output (DO): High (logic level 1) when the sound level exceeds the threshold; otherwise Low (logic level 0).
• Current Consumption: Approx. 4-5 mA

3. Physical Dimensions

• PCB Dimensions: Approx. 38mm x 15mm x 13mm (L x W x H)
• Weight: Approx. 5g
• Pin Header: 3-Pin (DO, AO, GND, VCC)

4. Components and Features

• Microphone: High-sensitivity condenser microphone.
• Adjustable Potentiometer: Adjusts the sound sensitivity level threshold for the digital output.
• LM393 Comparator: Integrated to process sound intensity and determine digital signal output.
• Indicator LEDs:
  • Power LED: Shows module power status.
  • Signal LED: Lights up when the sound threshold is reached (Digital Output High).
• Anti-Interference Design: Designed to reduce false triggers from ambient noise.

5. Performance Specifications

• Sensitivity Range: Typically effective for detecting claps, knocks, or other sharp sounds within a few meters.
• Frequency Response: Optimized for sounds within the human audible range (approx. 20Hz – 20kHz).
• Output Response Time: Fast response to sudden changes in sound intensity; ideal for real-time applications.

6. Applications

• Sound-triggered projects, such as clap switches for lights, alarms, and sound-activated toys.
• Environmental noise monitoring.
• Voice detection systems for speech-activated processes.

7. Wiring and Connections

• Pinout:
  • VCC: Connects to a 3.3V or 5V power source.
  • GND: Ground connection.
  • AO (Analog Output): Outputs an analog voltage corresponding to the sound intensity.
  • DO (Digital Output): Outputs a digital HIGH when the sound level exceeds the set threshold.

KY-037 Voice Sound Detection Sensor
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LJ8A3-2-Z/BY 2mm M8 PNP No Inductive Proximity Sensor

Specifications

• Model: LJ8A3-2-Z/BY
• Type: Inductive Proximity Sensor
• Detection Distance: 2 mm
• Thread Diameter: M8 (8mm)
• Mounting Type: Flush/Non-Flush
• Body Material: Nickel-plated Brass or Stainless Steel
• Output Type: PNP, Normally Open (NO)

Electrical Specifications

• Operating Voltage: 6V to 36V DC
• Output Current: Max 300 mA
• Switching Frequency: 200 Hz
• Leakage Current: ≤0.01 mA
• Voltage Drop: ≤1.5V
• Consumption Current: ≤15 mA

Detection Specifications

• Sensing Distance: 2 mm ± 10%
• Sensing Object: Ferromagnetic materials (best performance with iron targets)
• Response Time: <2 ms

Mechanical Specifications

• Housing Material: Brass, Nickel-plated
• Enclosure Rating: IP67 (Dust-tight, water-resistant)
• Cable Length: Typically 1m, 2m, or as specified
• Wiring: 3-wire connection (Brown for Positive, Blue for Ground, Black for Signal)
• Cable Type: PVC or PUR, shielded

Environmental Specifications

• Operating Temperature: -25°C to +70°C
• Storage Temperature: -40°C to +80°C
• Protection: Reverse polarity, Surge protection

Applications

• Positioning and detecting metal objects in automation systems
• Suitable for machinery, conveyor systems, and assembly lines
• Widely used in industrial automation, robotics, and manufacturing processes

LJ8A3-2-Z/BY 2mm M8 PNP No Inductive Proximity Sensor
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RFP-602 5KG Ultra-Thin Touch Film Pressure Sensor

The RFP-602 is a high-precision, ultra-thin touch film pressure sensor capable of measuring forces up to 5 kilograms. Its flexible design allows for seamless integration into various applications, providing accurate and reliable pressure measurements. Ideal for use in human-machine interfaces, robotics, and medical devices where sensitivity and compactness are crucial

Specifications:

• Model: RFP-602
• Type: Ultra-thin touch film pressure sensor
• Max Load Capacity: 5 kg
• Thickness: Approximately 0.3 mm (ultra-thin design)
• Operating Temperature: -20°C to +60°C

Electrical Specifications:

• Output Type: Analog voltage or digital signal (depending on configuration)
• Power Supply: 3.3V to 5V DC
• Output Voltage Range: 0V to 4.5V (depending on pressure applied)
• Sensitivity: High sensitivity to pressure changes
• Response Time: Fast response time (typically within milliseconds)

Performance Characteristics:

• Pressure Range: 0 kg to 5 kg
• Linearity: ±3% of full scale
• Hysteresis: ≤ 3%
• Repeatability: ±1% of full scale
• Operating Life: Over 1 million cycles

Physical Characteristics:

• Material: Flexible polyimide or PET substrate
• Dimensions: Customizable, typically in standard sizes (e.g., 50 mm x 50 mm, 100 mm x 100 mm)
• Weight: Lightweight design for easy integration
• Mounting: Adhesive backing for easy installation

Application Areas:

• Consumer Electronics: Used in touch-sensitive devices such as smartphones, tablets, and remote controls.
• Industrial Equipment: Can be used in control panels and machinery for pressure sensing.
• Medical Devices: Applicable in various medical monitoring and diagnostic equipment.
• Automotive: Used in automotive control systems and user interface applications.

Additional Features:

• Durability: Resistant to dust and moisture, suitable for various environments.
• Customization: Available in various sizes and shapes based on specific application needs.
• Integration: Compatible with microcontrollers and various signal processing circuits.

Certification:

• Compliance: CE and RoHS compliant, ensuring safety and environmental standards are met.

Notes:

• When integrating the RFP-602 sensor, consider the appropriate signal conditioning and processing circuitry to achieve optimal performance.
• The sensor’s output can be interfaced with various microcontrollers, making it versatile for multiple applications.

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RFP-602 5KG Ultra-Thin Touch Film Pressure Sensor
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E18-D80NK 5V 3-80cm Adjustable Infrared Sensor

The E18-D80NK is a versatile infrared proximity sensor offering adjustable detection range from 3 to 80 centimeters. Operating at 5V, it features a built-in IR transmitter and receiver, making it ideal for applications like obstacle avoidance in robotics, industrial automation, and security systems. The sensor provides a digital output and includes a 45cm cable for easy integration.

Specifications:

• Type: Infrared (IR) proximity sensor
• Operating Voltage: 5V DC
• Current Consumption: ≤ 20 mA
• Detection Distance: Adjustable from 3 cm to 80 cm
• Output Type: Digital output (HIGH/LOW)
• Output Signal:
  • High: > 3.5V (when an object is detected within the set range)
  • Low: < 0.5V (when no object is detected)
• Detection Angle: Approximately 30 degrees
• Response Time: < 5 ms
• Temperature Range: -20°C to +60°C
• Humidity Range: 0% to 95% (non-condensing)
• Size: Approximately 28mm x 16mm x 12mm
• Weight: Approximately 15g
• LED Indicator: Yes (indicates the sensor’s status)
• Sensitivity Adjustment: Built-in potentiometer for fine-tuning the detection distance

Features:

• Easy Installation: The sensor comes with a straightforward design for easy mounting in various setups.
• Adjustable Range: The ability to adjust the detection range allows for flexibility in different applications.
• Digital Output: Provides a simple ON/OFF signal that can be easily interfaced with microcontrollers and other electronics.
• Low Power Consumption: Operates efficiently on a 5V power supply, making it suitable for battery-operated devices.
• Robust Construction: Therefore, it can withstand various environmental conditions, making it ideal for both indoor and outdoor use.
• Applications:
  • Obstacle detection in robots
  • Automatic door opening systems
  • Liquid level detection
  • Security alarms
  • Presence detection systems

Pin Configuration:

1. VCC: Power supply (+5V)
2. GND: Ground
3. OUT: Output signal (Digital HIGH/LOW)

Installation Notes:

• Position the sensor correctly to avoid interference from surrounding objects. Use the adjustment potentiometer to set the desired detection distance; turn it clockwise to increase the range and counterclockwise to decrease it.
• Avoid direct exposure to strong light sources, as it may affect the sensor’s performance.

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E18-D80NK 5V 3-80cm Adjustable Infrared Sensor
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MAX6675 Module + K Type Thermocouple Thermocouple Sensor

MAX6675 Module Specifications

1. Temperature Range:
   • Operating Range: 0°C to +1024°C (32°F to +1875°F)
   • Accuracy: ±2°C (±4°F) typical, ±5°C (±9°F) maximum
2. Resolution:
   • 0.25°C (0.5°F)
3. Interface:
   • Communication: SPI (Serial Peripheral Interface)
   • Pin Configuration:
     • VCC: Power supply (3.3V to 5V)
     • GND: Ground
     • SCK: Serial Clock input
     • MISO: Master In Slave Out (Data output)
     • CS: Chip Select (Active Low)
4. Power Requirements:
   • Supply Voltage: 3.0V to 5.5V
   • Current Consumption: 50 μA (in active mode); less than 1 μA in sleep mode
5. Thermocouple Compatibility:
   • Compatible with K-type thermocouples (chromel-alumel)
   • Supports cold junction compensation to improve accuracy
6. Features:
   • Built-in Cold Junction Compensation: Automatically compensates for temperature differences at the connection point.
   • Temperature Conversion Time: Approximately 100 ms
   • Data Output: Digital output (SPI) allows easy integration with microcontrollers.
   • Internal Filter: Reduces noise in the readings, ensuring stable output.
   • Thermal Shutdown Protection: Built-in safety features to protect the device.
7. Dimensions:
   • Typical dimensions for the module: 38mm x 24mm (1.5in x 0.9in)
   • Mounting holes for easy installation
8. Environmental Conditions:
   • Operating Temperature: -40°C to +125°C (-40°F to +257°F)
   • Humidity: Non-condensing environments recommended

K-Type Thermocouple Specifications

1. Material Composition:
   • Positive Leg: Chromel (Nickel-Chromium alloy)
   • Negative Leg: Alumel (Nickel-Aluminum alloy)
2. Temperature Range:
   • Standard range: -200°C to +1260°C (-328°F to +2300°F)
   • Extended range with appropriate calibration: up to +1372°C (up to +2500°F)
3. Response Time:
   • Fast response due to small diameter wire (typically 0.5 mm or smaller)
4. Insulation:
   • Commonly insulated with materials like fiberglass, ceramic, or other high-temperature resistant materials.
5. Form Factor:
   • Available in various forms such as exposed junction, grounded junction, and ungrounded junction types.

Applications

• Industrial temperature monitoring
• HVAC systems
• Food processing
• Chemical processing
• Laboratory research

Example Wiring Diagram

• Connect the K-type thermocouple to the MAX6675 module.
• Connect the module to a microcontroller (like Arduino) using SPI communication pins.

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MAX6675 Module with K Type Thermocouple
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Original GY-AMG8833 Infrared Thermal Imager Sensor

The GY-AMG8833 Infrared Thermal Imager Sensor features an 8×8 IR thermal array for accurate temperature detection. Ideal for human presence detection, thermal imaging cameras, and temperature mapping projects, this sensor provides precise readings over I2C and supports easy integration with microcontrollers.

Specification

• Model: GY-AMG8833
• Manufacturer: Panasonic (AMG8833 sensor)
• Type: Infrared thermal imager sensor
• Resolution: 8×8 pixels (64 pixels total)

2. Thermal Detection Specifications

• Temperature Detection Range: 0°C to 80°C
• Accuracy: ±2.5°C
• Field of View (FOV): 60° x 60°
• Frame Rate: 10 frames per second (FPS)
• Object Detection Distance: Detects human presence up to 7 meters

3. Communication Interface

• Interface: I²C (Inter-Integrated Circuit)
• I²C Address: Default 0x69
• Voltage Levels: Operates on both 3.3V and 5V systems
• I²C Speed: Supports up to 400 kHz

4. Electrical Specifications

• Operating Voltage: 3.3V to 5V DC
• Power Consumption: Low power (typical current: ~4.5mA)
• Operating Current: 4.5mA (typical)

5. Environmental Characteristics

• Operating Temperature: -20°C to 80°C
• Storage Temperature: -40°C to 125°C
• Humidity: Non-condensing, 0% to 95% relative humidity (RH)

6. Sensor Output

• Pixel Output: Each of the 64 pixels provides an output value corresponding to the detected temperature
• Data Output: 8-bit output for each pixel, where each pixel’s value is converted to a temperature

7. Size & Weight

• Dimensions: 12.4mm x 12.4mm x 4.5mm (sensor module)
• Weight: 2-3 grams

8. Applications

• Human body temperature detection
• Motion detection
• Night vision
• Temperature gradient measurement
• General thermal imaging tasks for IoT and DIY projects

9. Additional Features

• Interrupt Functionality: Supports configurable interrupt for detecting heat changes
• Noise Filter: Low-pass filter for reducing noise in the output signal
• Simple Integration: Ready-to-use libraries available for most microcontrollers, including Arduino and Raspberry Pi

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Original GY-AMG8833 Infrared Thermal Imager Sensor
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GY-31 TCS230 TCS3200 Colour Recognition Sensor

The GY-31 TCS230 TCS3200 Colour Recognition Sensor is an RGB color detection module that provides precise color sensing capabilities.

Specification

• Sensor IC:
  • Chipset: TCS230 or TCS3200
  • Manufacturer: TAOS (Texas Advanced Optoelectronic Solutions)
  • Type: Programmable color light-to-frequency converter
• Operating Characteristics:
  • Supply Voltage: 2.7V to 5.5V (typically 5V)
  • Current Consumption:
    • Active Mode: Typically 2mA (at 5V)
    • Power Down: <0.01μA
  • Operating Temperature Range: -40°C to +85°C
• Light Detection Range:
  • Detects the full visible light spectrum (400nm to 700nm)
• Photodiodes and Filter:
  • 8×8 array of 64 photodiodes:
    • 16 with red filter
    • 16 with green filter
    • 16 with blue filter
    • 16 without filter (clear)
• Output:
  • Type: Frequency Output (square wave)
  • Frequency proportional to the intensity of detected color
  • Output Frequency:
    • Low: 2Hz to 500kHz (programmable)
    • Scaling options: 1%, 10%, or 100%
• Programming Features:
  • Sensitivity control via integration time and output scaling
  • Output enable pin to enable/disable sensor output
  • Control Pins:
    • S0, S1: Output frequency scaling
    • S2, S3: Filter selection (red, green, blue, or clear)
• Module Features:
  • Board Dimensions: 28mm × 28mm (1.1 inch × 1.1 inch)
  • Mounting Holes: Four 2.5mm holes
  • Onboard Components: Passive components for stable operation
  • LED Illumination: White LEDs to illuminate the object
• Pinout (GY-31 Module):
  • VCC: Power supply (2.7V to 5.5V)
  • GND: Ground
  • S0, S1: Output frequency scaling pins
  • S2, S3: Filter selection pins
  • OUT: Output frequency signal
  • OE: Output enable (active low)
• Scaling Frequency Control:
  • S0 = 0, S1 = 0: Power down
  • S0 = 0, S1 = 1: 2% frequency scaling
  • S0 = 1, S1 = 0: 20% frequency scaling
  • S0 = 1, S1 = 1: 100% frequency scaling
• Color Filter Selection:
  • S2 = 0, S3 = 0: Red filter selected
  • S2 = 0, S3 = 1: Blue filter selected
  • S2 = 1, S3 = 0: Clear (no filter)
  • S2 = 1, S3 = 1: Green filter selected

Applications:

• • • Color detection in robotics
    • Product sorting
    • Industrial automation
    • Consumer electronics with color detection

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GY-31 TCS230 TCS3200 Colour Recognition Sensor
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10MPa G1/4 Stainless Steel Pressure Transducer Transmitter Sensor

The 10MPa G1/4 Stainless Steel Pressure Transducer Transmitter Sensor provides high-accuracy pressure measurements for industrial applications. Featuring a durable stainless steel body and G1/4 thread, this sensor offers reliable performance for liquid and gas pressure monitoring, with a measurement range of up to 10MPa.

Specifications:

• Pressure Range: 0 to 10 MPa (Megapascals)
• Pressure Type: Gauge pressure (G), absolute pressure (A), or differential pressure (D)
• Output Signal: 4-20 mA, 0-10 V, 0.5-4.5 V, 1-5 V, or other custom outputs
• Power Supply: 9-36 V DC (common is 24V DC)
• Connection Type: G1/4 (¼ inch BSP)
• Material:
  • Sensor housing: 304 or 316L stainless steel
  • Diaphragm: Stainless steel (typically 316L for better corrosion resistance)
• Accuracy: ±0.25% FS (Full Scale), ±0.5% FS, or ±1% FS depending on the model
• Temperature Compensation: 0°C to 50°C (Standard range, depending on sensor)

Electrical and Output Details:

• Response Time: < 1 ms
• Load Resistance:
  • For current output (4-20mA): ≤ (Supply voltage – 9V)/0.02A
  • For voltage output: ≥ 10 kΩ
• Insulation Resistance: ≥ 100 MΩ at 500V DC
• Overload Pressure: Typically 1.5 times the rated pressure
• Burst Pressure: 2-3 times the rated pressure
• Short Circuit Protection: Yes
• Reverse Polarity Protection: Yes

Environmental Specifications:

• Operating Temperature: -20°C to 80°C (higher temperature ranges available for some models)
• Storage Temperature: -40°C to 125°C
• Ingress Protection: IP65 or IP67, depending on the model
• Shock Resistance: 1000 g
• Vibration Resistance: 20 g (10 Hz to 2000 Hz)

Mechanical Details:

• Pressure Port Size: G1/4 (¼ inch BSP thread)
• Weight: Typically 150-250 g
• Dimensions: Vary by manufacturer, typically around 50-100 mm in length and 20-30 mm in diameter

Other Features:

• Long-term Stability: ≤0.2% FS/year
• Wetted Materials: Stainless steel (316L), and optional seals such as NBR, FKM, or PTFE for chemical compatibility
• Output Type: Can be analog or digital (if it includes I2C or RS485 communication options)

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10MPa G1/4 Stainless Steel Pressure Transducer Sensor
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