• 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

• Human infrared sensor for automatic control
• Adjustable 3 gear modes:
  1. Induction highlight + slightly bright
  2. Induction highlight + light off
  3. Light control
• Sensing distance: 2-5 meters (depending on ambient temperature)

• 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

• Light Detection: Detects ambient brightness and light intensity.
• Adjustable Sensitivity: Sensitivity can be adjusted via the blue digital potentiometer.
• Wide Voltage Range: Operates within 3.3V to 5V voltage range.
• Digital Output: Provides digital switching outputs (0 and 1) via the D0 pin.

• Wide Voltage Range: Compatible with DC 5-24V, ideal for various voltage-based systems
• Adjustable Delay Close Time: Delay time adjustable between 33 to 300 seconds for versatile applications
• Long Detection Range: Can detect motion from up to 4-5 meters
• Output Connectors Included: Comes with both a DC male plug and a DC female plug for easy integration

• Wide Operating Voltage: Works efficiently between 2.7V and 12V DC.
• Ultra-Low Power Consumption: Uses less than 0.1mA in standby mode.
• Compact Design: Small 10mm x 8mm PCB suitable for space-constrained projects.
• Reliable Sensing Range: Detects motion within 3-5 meters and a 100° cone angle.

The DHT22 Digital Temperature Humidity Sensor Module, also known as AM2302, is designed for precise temperature and humidity measurements. It offers a wide range of applications with high accuracy and excellent long-term stability.

• Type: AM2302
• Accuracy Resolution: 0.1
• Humidity Range: 0-100%RH
• Temperature Range: -40°C to 80°C
• Humidity Measurement Precision: ±2%RH
• Temperature Measurement Precision: ±0.5°C
• 4-pin Package
• Ultra-low Power Consumption
• No Additional Components Required
• Excellent Long-term Stability
• All Calibration, Digital Output
• Completely Interchangeable
• Long Distance Signal Transmission
• Relative Humidity and Temperature Measurement

• Supports Gravity 3-Pin interface for easy integration.
• Provides Analog output for versatile data interpretation.
• Ideal for monitoring garden plants and moisture detection in intelligent agriculture systems.

✔ High Precision Measurement – Onboard precision micro current transformer for accurate current sensing
✔ Op-Amp Circuit Board – Provides accurate signal sampling and appropriate compensation
✔ Adjustable Output – The analog output corresponding to current can be easily adjusted
✔ Wide Working Voltage – Operates within a range of DC 5-30V for versatile

• Imported normally-open reed switch for reliable performance
• Comparator output with clear signal and clean waveform
• High driving ability with more than 15mA output

• Wide Voltage Range: Supports a working voltage of 80 ~ 260VAC for various voltage applications.
• High Power Measurement: Can measure up to 100A current and 22000W power, making it ideal for high-power applications.
• Multiple Measurements: Measures Watt (power), Volt, Ampere (current), and Frequency for a complete understanding of the electrical system.
• Accurate: Provides a measurement accuracy of 1.0 for reliable readings.

• 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

• Detects conductance of skin
• Includes finger straps for electrodes
• Compatible with 3.3V and 5V systems
• Compact and lightweight design

• Operating Voltage: 3.3V to 5V DC
• Operating Current: 15mA
• LED Indicators: Output and power status LEDs
• Based on LM393: Easy to integrate with microcontrollers

The 4-ARRAY Infrared Tracking Obstacle Avoidance Car Sensor is designed for Arduino projects, offering reliable tracking and obstacle avoidance capabilities. This sensor operates at 3.3V to 5V DC, providing adjustable detection distances between 1 mm to 60 cm. Ideal for robotics and smart car applications.

Key Features:

• Working Voltage: 3.3V to 5V DC

• Current Requirement: Use more than 1A power supply

• Working Temperature: -10°C to +50°C

• Detection Distance: 1 mm to 60 cm adjustable

• Installation: M3 screw aperture

• Control Plate Size: 44 mm x 30 mm x 8.5 mm

• Small Board Sensor (Obstacle Avoidance): 11 mm x 25 mm x 10 mm

• Small Plate Sensor (Tracking): 20 mm x 11 mm x 15 mm

• PWM pulse-width modulation output for accurate readings
• Detects particles as small as 1 µm
• High and low voltage outputs for clean air and particles
• Compact and lightweight design