• 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.

• Chipset: TI CC2530 chipset for reliable wireless communication.
• Voltage Range: DC 2.1V ~ 3.6V (recommended 3.3V for optimal performance).
• Transmission Distance: Up to 800 meters (with 3dBi antenna in open space).
• Antenna Interface: SMA interface for connecting antennas.

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

• High-frequency clock signal generator with square wave output.
• Compatible with Arduino SCM & DIY kits.
• Wide logic voltage range of 3.3V to 5V.
• Designed with high-quality PCB material for durability.

Specifications:

• Connector Type: Micro USB to PCB
• Adapter Type: 2.54mm DIP 5 Pin
• Compatibility: Designed to interface Micro USB connectors with PCB boards
• Pin Spacing: 2.54mm
• Number of Pins: 5
• Easy Integration: Allows seamless integration of Micro USB connectivity into PCB projects
• Compact Design: Space-saving design suitable for compact electronic devices
• Material: High-quality materials ensure durability and reliability
• Versatile: Suitable for various DIY electronics projects, prototyping, and small-scale productions.

Package:

1x Micro USB to PCB 2.54mm DIP 5 P Adapter Module

• Pulse oximetry and heart rate monitoring solution
• Integrated ambient light cancellation and motion artifact resilience
• Red and IR LED for accurate measurements
• I2C interface with INT pin for easy communication

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).

• Operating Voltage: 3.2V ~ 5.5V (with recommended diode for voltages above 4.5V)
• Default Communication Distance: 600m (adjustable up to 1000m)
• Air Baud Rate: 5000bps
• Idle Current: 16mA

The Ublox NEO-6M GPS Module offers high precision and sensitivity, making it ideal for various applications, including cars and other mobile setups. Key features include:

• High precision binary output
• High sensitivity for indoor applications
• Battery for power backup
• EEPROM for storing configuration settings
• Flexible mounting with ufl cable connected antenna
• Serial TTL output with four pins: TX, RX, VCC, and GND
• Configurable from 4800 Baud to 115200 Baud rates (default 9600)
• Cold start time: 38s, Hot start time: 1s
• SuperSense ® Indoor GPS: -162 dBm tracking sensitivity
• Operating temperature: -40 to 85°C
• 5Hz position update rate
• UART TTL socket
• Dimension: 22x30x13 mm
• Weight: 12g

The SIM800C GSM GPRS Development Module is perfect for integrating GSM and GPRS capabilities into your projects. Supporting a wide voltage range and various control levels, this module is versatile and easy to use.

• Converts TTL signals to RS-485 for long-distance communication.
• Uses the MAX485 IC for reliable and low-power operation.
• Compatible with Arduino and other microcontroller platforms.
• Compact size, lightweight, and easy to integrate into projects.

• Powerful Output: Delivers 3.2W at 10% THD with 4Ω impedance speakers and a 5V power supply.
• Wide Operating Voltage: Works with a voltage range of 2.7V to 5.5V.
• Selectable Gains: Offers gain settings of 3dB, 6dB, 9dB, 12dB, and 15dB for flexible audio amplification.
• High Efficiency: 77 dB PSRR at 1 kHz, making it ideal for battery-powered projects.

• Direct plug-and-play puzzle board, no soldering needed.
• Compatible with all Arduino main boards, including Arduino 2009, UNO, Mega 1280, and Mega 2560.
• Includes five momentary push buttons (4 + joystick select button), similar to PlayStation 3 analog stick push button.
• Two-axis thumb joystick for precise control.

• Brand new and high quality.
• L293D is a monolithic integrated, high voltage, high current, 4-channel driver.
• Can drive DC motors and power supplies of up to 36V with a maximum current of 600mA per channel.
• H-Bridge configuration allows voltage to be applied across a load in either direction, ideal for motors.

Video Converter RCA to VGA Adapter

Experience seamless video conversion with our Video Converter RCA to VGA Adapter. This advanced converter utilizes state-of-the-art technology to deliver high-quality VGA resolution from RCA signals.

• Advanced image processing for superior video quality
• Supports PAL/NTSC/SECAM formats
• Adjustable settings: brightness, contrast, sharpness, saturation, tint, and more
• Standard VGA output compatible with all monitors

Package Includes: 1x Video Converter RCA to VGA Adapter

✔ 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