• Easy Operation: Simply plug in USB or micro USB to output 1.2V-24V adjustable voltage
• One-Key Off: Easily turn off the output with a single button
• Precise Adjustment: Multi-loop precise adjustable potentiometer for fine voltage control
• Power-Off Storage: Saves settings before power-off

• Wide sensing range of 20 to 150 cm (200 to 1500 mm) for versatile applications.
• Provides analog output for easy integration with microcontrollers.
• Low supply voltage requirement of 4.5 to 5.5V, making it suitable for battery-operated projects.
• Fast response time of 39 ms for real-time distance measurement.

• Real-time battery capacity display for lithium batteries
• Wide compatibility with 1S-8S lithium battery packs
• Easy to use – direct connection to battery terminals
• Clear digital display with red outline and green bars

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

• Input Voltage Range: 4V - 35V
• Output Voltage: Adjustable from 1.25V to 25V
• Output Current: Up to 3A Max (requires heat sink if >15W)
• CC Range: 0-2A (Adjustable)

Transform your car audio system or DIY audio projects with the 4.1 Bluetooth MP3 BLE Decoder Board Module. This module supports MP3 lossless decoding, delivering high-quality audio. With a supply voltage of DC 3.7-5V and a MICRO USB port for power, it features two-channel stereo output, making it compatible with most power amplifiers and audio equipment. Ideal for car audio conversion, home audio modification, and personal DIY Bluetooth projects.

• Supply Voltage: DC 3.7-5V
• Power Supply Interface: MICRO USB port or 2.54mil pin
• Dimensions: 3.3x3.5x1.1cm
• Bluetooth Name: BM3
• Bluetooth Password: 1688
• Communication Distance: 3-12 meters
• Supported Bluetooth Version: Bluetooth 4.1 or below
• Compatible Systems: Android, Apple system
• Channels: Two channels
• Audio Quality: MP3 lossless decoding
• PCB Thickness: 1.6mm

Package includes 1x 4.1 Bluetooth MP3 BLE Decoder Board Module.

• Compact round-shaped RGB LED panel board.
• Equipped with 7 WS2812 5050 LEDs for vibrant, individually addressable colors.
• Operates at 5V, ideal for Arduino, Raspberry Pi, and other microcontroller projects.
• Easy to integrate into DIY lighting and decorative applications.

Specifications:

• Module supply voltage: DC 5V
• Working environment temperature: -40 ° C ~ 85 ° C
• Communication interface: IIC
• Ultra low power consumption: programmable sample rate and LED current
• Save power; ultra-low standby current (0.7μA, typical)
• Size: 5.6mm x 3.3mm x 1.55mm

Package:

1x High Accuracy I2C MAX30105 Particle Optical Sensor Photodetectors Board Module Smoke Detection Flame Module 1.8V

Specifications:

• Working Voltage: DC 4V - 60V
• Trigger Signal Source:
  • High-Level Trigger: DC 3.0V-24V
  • Low-Level Trigger: DC 0.0V-0.6V
• Output Power:
  • Voltage: DC 4V-60V
  • Current: 10A at room temperature, up to 15A with additional heat dissipation
  • Power: 600W
• Signal Frequency Support: 0-2.5KHz
• Operating Temperature: -40°C to 85°C
• Size: 4.6 x 2.9 x 1.5 cm

Package:

1x High Power 600W MOS Tube FET Trigger Drive Module PWM Control High/Low Level Trigger Switch DC 4V-60V 5V 12V 24V

Enhance your Arduino projects with our Rotary Encoder Module. This versatile module allows counting in both positive and reverse directions by rotating the encoder, offering unlimited rotation counts. With a built-in reset button, you can easily reset to the initial state for accurate measurements.

• Working Voltage: 5V
• Material: Electronic components + PCB
• Main Colour: Black
• Size: Approx. 25 x 20 x 30mm

Package Includes: 1 x Rotary Encoder Module

• 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.

• Based on the ENC28J60 controller for Ethernet connectivity.
• Compatible with Arduino Nano 3.0 for easy integration.
• Can be used for web server applications over RJ45 Ethernet connection.
• Red + Black color design for easy visibility.

• High-power boost converter module with up to 600W output.
• Wide input voltage range of DC 10V-60V.
• Adjustable output voltage (12V to 60V) for various applications.
• Supports constant current output up to 10A.

• Wide Input Range: Input voltage from 4.5V to 28V.
• Adjustable Output: Output voltage range from 0.8V to 20V.
• High Efficiency: Conversion efficiency up to 96%.
• Compact Size: Small size of 22mm * 17mm, perfect for DIY projects.

• High-precision TDS measurement for water quality testing.
• Compatible with Arduino and other microcontrollers for easy integration.
• Low power consumption with a working current of just 3-6mA.
• Wide measurement range from 0 to 1000ppm.

The MQ-7 Carbon Monoxide Gas Sensor Module is designed to detect CO gas with high accuracy. Operating at 5V DC, this sensor can detect concentrations ranging from 100 to 10000ppm. It provides both analog and TTL output signals, making it versatile for various applications.

Key Features:

• Main Chip: MQ-7 gas sensor
• Working Voltage: 5V DC
• Detection Range: 100 to 10000ppm
• TTL Output: Valid signal is low
• Analog Output: Provides variable voltage based on gas concentration