IR Transmitter Module:

• Supply Voltage: 5V
• Wavelength: 940nm

IR Receiver Module:

• High Sensitivity 1838 remote control receiver
• Working Voltage: 5V

• Optical Heart-Rate Monitor
• Pulse Oximetry Solution
• Small and compact design
• Ideal for wearable devices

• Accurate temperature and humidity sensing
• I2C and one-wire bus communication
• Wide temperature measurement range (-40°C to 125°C)
• Compact and easy to integrate with Arduino

MQ-8 Gas Sensor offers high sensitivity to Hydrogen (H2) detection. It is low cost, provides a fast response, and has stable and long-lasting performance, making it an ideal solution for gas detection.

• Low cost and fast response
• Stable and long life
• High sensitivity to Hydrogen (H2)
• Small sensitivity to Alcohol, LPG, and Cooking Fumes
• Both Analog and Digital outputs
• On-board LED indicator
• Operating Voltage: 5V ±0.1
• Operating Temperature: -10°C ~ 50°C
• Detection Range: 100 ~ 10,000 ppm of Hydrogen

Features rapid response and recovery characteristics.

• High-precision barometric pressure sensor for accurate air and water level detection
• Supports 3.3V-5V operation, making it compatible with Arduino and other microcontrollers
• 0-40KPa pressure range, ideal for liquid level and air pressure measurement
• Compact size (19x18mm) with a 2mm fixing hole for easy installation

• Compatible with Arduino and other microcontrollers
• Measures water turbidity with analog output
• Adjustable threshold for digital output
• Quick response time (<500ms)

• Battery-Powered Smoke and Fire Alarm (Battery not included)
• Environmentally Friendly: No harmful radiation, smells, or risks
• Low Power Consumption: Sensor's service life of about 10 years
• Photoelectric Chamber: Ensures early detection of smoke from all directions

• Non-contact gesture detection with proximity sensing capabilities
• Measures distance range from 10 to 20 cm (4-8 inches)
• I2C interface for easy communication with microcontrollers
• Low power consumption, ideal for battery-operated devices

• Capacitive touch sensing with high sensitivity
• Easy to use with minimal external components required
• Small and compact design for easy integration
• Low power consumption for efficient operation

The Buzzer Sensor 5V is a reliable component designed to deliver a continuous single tone at 70dB, making it ideal for various alert and notification applications. With a through hole mounting style, this sensor operates within a supply voltage range of 2-4V.

Key Features:

• 70dB sound level at 1 metre
• Continuous tone length
• Single tone
• Through hole mounting style
• Supply voltage: 2-4V
• Maximum decibel: 70dB
• Diameter: 6.7 mm
• Black body colour
• Operating temperature range: -30°C to +70°C

• Compact and Lightweight ideal for small projects
• 5V DC Working Voltage easy to power with standard supply
• Short Detection Range suitable for detecting small metallic objects
• Simple to Use with clear instructions for connection

• Triple axis magnetometer for precise magnetic field measurement
• Small and compact size for easy integration into various projects
• I2C communication protocol for efficient data transfer

• Non-Contact Switching: Detects magnetic fields without physical contact.
• Voltage Compatibility: Operates at DC 5V, making it ideal for microcontroller projects.
• KY-003 Model: Designed for magnetic, speed, and capacitance induction applications.
• Arduino Compatible: Perfect for DIY electronics and robotics projects.

• Compact optical dust sensor for accurate dust and particle detection.
• Compatible with GP2Y1010AU0F and GP2Y1010AUOF for versatile use.
• Low power consumption, operating at DC5 ± 2V.
• High sensitivity of 0.5V / (0.1mg / m³), suitable for detecting fine particles like smoke and pollen.

• Electromyographic (EMG) Measurement: Measures muscle activity by detecting electrical signals.
• Adjustable Gain: Provides improved gain for more accurate and rugged readings.
• Compatible with Microcontrollers: Easily integrates with microcontrollers for muscle-controlled interfaces.
• Electrode Pads: Includes large 52mm electrode pads for better contact and accuracy.

MQ-135 Gas Sensor is designed for wide detecting scope including NH3, NOx, alcohol, Benzene, smoke, and CO2. This sensor offers fast response, high sensitivity, and long-term stability, making it ideal for various applications.

• Wide detecting scope
• Fast response and high sensitivity
• Stable and long life
• Operating Voltage: +5V
• Detects NH3, NOx, alcohol, Benzene, smoke, CO2
• Analog output voltage: 0V to 5V
• Digital output voltage: 0V or 5V (TTL Logic)
• Preheat duration: 20 seconds

Can be used as a digital or analog sensor, with adjustable sensitivity via potentiometer.