• Measures water flow accurately within a range of 0.3–6 L/min.
• Compact and lightweight design with durable construction.
• Operates on a wide voltage range (5~12 V) with low current consumption.
• Offers high precision with ±5% accuracy for flows of 0.3–3 L/min.

The ADXL345 is a compact, ultralow power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16 g. It offers digital output data formatted as 16-bit two's complement, accessible through either SPI (3- or 4-wire) or I2C digital interface. Ideal for mobile device applications, it measures static and dynamic accelerations.

• High resolution (13-bit) measurement up to ±16 g.
• Supports both SPI (3- or 4-wire) and I2C digital interfaces.
• Low power consumption for mobile applications.
• Compact design for easy integration.
• Includes special functions like activity/inactivity monitoring, tap detection, and free-fall detection.

• High Current Capacity: Can drive up to 43A with the BTS7960B motor driver.
• PWM Control: Controlled via PWM1 and PWM2 signals, providing efficient speed and direction control.
• Wide Voltage Range: Operates with 5.5V to 27V power supply.
• Power Indicators: On-board 5V power indicator and motor driver output voltage indicator.

• 3.2-inch 480x320 TFT LCD screen with high-quality image display and wide viewing angle.
• Equipped with SD card socket and SPIFLASH circuit for enhanced functionality.
• Compatible with Arduino UNO & MEGA 2560 development boards.
• Supports UTFT, UTFT_Buttons, and Utouch libraries for easy integration.

Optimize the performance of your DC motors with the DC Motor Speed Regulator Controller PWM. Built with military-grade circuit boards and imported chips, this controller includes a 50V 1000uF large capacitor and an IRF3205 power tube, ensuring your motor runs smoothly. 

• Military-grade circuit board
• Imported chips and components
• 50V 1000uF large capacitor
• IRF3205 power tube
• 8500 large current terminals (300V 20A)
• Potentiometer resistance: B100K
• Working power: DC 12V-40V
• Power control: 12V*8A=96W, 24V*8A=192W, 40V*8A=320W
• Rated current: 8A, Maximum current: 10A
• Speed range: 10%-100%
• PWM frequency: 13KHZ
• Compact size: 60*55*28mm
• Net weight: 68g

• 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

• Supports Li-ion battery charging and boosting with 5V 2A output
• High charging efficiency with 96% discharge efficiency
• Compact and lightweight design for portable applications
• Wide operating temperature range (-20°C to +85°C)

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 TTP229 Capacitive 16-Key Touch Sensing IC

• Supports 16 capacitive touch buttons for seamless touch control

• Onboard power indicator for status monitoring

• Adjustable output modes, key response, and power settings

The ATK GPRS SIM800 Module SIMCOM is fully compatible with Arduino and microcontrollers, offering a wide range of features for your projects. Key specifications include:

• GSM module: SIM800A
• RTC backup battery
• A microphone port
• A headphone jack
• RS232 interface selection
• RS232 serial port
• Lithium battery interface
• Power input connector
• Power LED (blue)
• Power switch
• SIM card slot
• SMA antenna interfaces with a supporting small antenna
• Power On / Off button
• Network status indicator (red)

The CP2102 USB to TTL UART Serial Converter is ideal for reliable and versatile communication between your USB and serial devices. Key features include:

• 3.3V and 5V dual power output.
• Self-recovery fuse for protection against short circuits.
• Compatible with 3.3V and 5V Arduino boards.
• Power, data reception, and data transmission indicator LEDs.
• 640 byte receive buffer and 512 byte transmit buffer.
• Supports baud rates from 300 bps to 1 Mbps.

• Motor Control Modes: Operates in CW, CCW, short-brake, and stop modes to control two DC motors.
• PWM Speed Control: Each motor’s speed is controlled via a PWM signal, up to a frequency of 100 kHz.
• Power Supply: VM up to 15V max for the motor, and VCC range of 2.7V-5.5V for logic supply.
• High Output Current: Rated output current of 1.2A (average), with a peak of 3.2A.

• 16-button keypad for microcontroller expansion
• 4x4 matrix layout for easy interfacing
• Durable PCB design for long-term use
• Compatible with Arduino and other MCUs

• Compact Display: 1.8-inch size for portable projects
• High Resolution: 128x160 pixels for clear images
• Wide Viewing Angle: Improved visibility from various angles
• Controller: ST7735, widely used for high-quality displays

The DC 12V Solenoid Valve Magnetic Water Air Inlet Flow Switch is a high-quality component designed for efficient control of water and air flow. Made with durable metal and plastic materials, this valve ensures reliable performance in various applications.

• Material: Metal + plastic
• Voltage: DC 12V
• Inlet and outlet: Hose barbs for 1/2" (outer)
• Quantity: 1 Piece
• Package Size: 20.0 x 16.0 x 5.0 cm
• Gross Weight/Package: 0.15 kg