• 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

• Wide Detection Range: 120°/180° detection angle with a range of up to 12 meters (± 2m)
• Adjustable Settings: Ambient light sensitivity and time-delay (5 seconds to 12 minutes) can be adjusted
• High Load Capacity: Suitable for 500W resistive load (e.g., incandescent lamps) and 150W inductive load (e.g., LED, energy-saving lamps)
• Weatherproof Design: IP44 rated, ideal for both indoor and outdoor use

• Magnetic encoder induction angle sensor
• Wide operating temperature range: -40°C to 125°C
• Low power consumption with 3.3V DC power supply
• Compact size, ideal for various applications

Key Features:

• Max output power: +20 dBm
• Working current in transmit mode: 115mA
• Working current in receiver mode: 45mA
• Current in standby mode: 4.2µA
• Operating temperature: -20 to 70 degrees Celsius
• Receiver sensitivity: -92dBm in 2Mbps mode, -95dBm in 1Mbps mode, -104dBm in 250kbps mode
• PA gain: 20dB
• LNA gain: 10dB
• LNA noise figure: 2.6dB
• Antenna gain: 2dBi
• 2M rate range: 520 meters

The Triple Axis Accelerometer ADXL335 Module is a cost-effective solution for motion detection and measurement. Key features include:

• Utilizes the ADXL335 chip for reliable performance.
• Supports 3-5V DC power supply.
• Analog output for X, Y, and Z axes.
• Full scale range of +/-3g for versatile applications.
• Sensitivity of 300mV/g (Typ).

• Onboard TTP224 capacitive 1-button touch sensing IC

• 1-channel level status indicator for easy monitoring

• Flexible working voltage: 2.4V - 5.5V

• Adjustable output modes and key output modes

801S Vibration Switch Detection Sensor Module 3Pin Vibration Sensor

• Wide Input Voltage Range: 4.2V to 40V.
• Adjustable Output Voltage: Ranges from 1.2V to 37V.
• High Output Current: Minimum 1.5A, typical 2.2A.
• Wide Operating Temperature: Ranges from -55°C to +150°C.

• Utilizes a 24-bit high precision HX711 A/D converter chip
• Includes an integrated 128 times programmable gain amplifier
• Supports two analog input channels
• Ideal for pressure and weighing sensor applications

• Accurate Turbidity Measurement: Detects water clarity using light transmission
• Analog & Digital Output: Supports both analog (0~4.5V) and digital signal output
• Adjustable Sensitivity: On-board potentiometer for threshold tuning
• LED Indicators: Red for power, green for digital output status

• Adjustable voltage step-up converter for 18650 Li-ion batteries
• Supports both charging and discharging functions
• Compact PCB module design
• Ideal for DIY power bank projects

• Adjustable Detection Distance: Ranges from 3CM to 80CM
• Easy to Assemble: Suitable for robotics and assembly line applications
• Visible Light Interference Resistant: Operates well in various lighting conditions
• Compact Size: Lightweight and easy to integrate

• 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

• Dual H-Bridge Drive: Allows driving two DC motors or a stepper motor with ease.
• L298N Chip (ST NEW): High-quality, reliable control chip for efficient motor driving.
• Wide Voltage Range: Supports a drive voltage range from 5V to 35V for flexible usage in various projects.

• ULN2003A Motor Driver Chip: Reliable and efficient stepper motor control.
• DC 5-12V Power Supply: Wide voltage range for flexible applications.
• 4-Way Signal Indicator: Indicates the signal direction for easy monitoring.
• Step Angle: 5.625 x 1 / 64, providing precise motion control.

• Efficient Charging: High-efficiency conversion up to 93%, ensuring quick charging
• Wide Input Range: Input voltage from 2.8V to 4.5V, ideal for 3.7V polymer lithium batteries
• Adaptive Output: Output current adapts to 5V 3A, 9V 2A, or 12V 2A based on the protocol
• Fast Charge Protocol Support: Supports QC2.0, QC3.0, Huawei FCP, DCP Protocols