The 8x8 LED Matrix Module (60x60mm) QFT2388ASR is ideal for building custom LED displays that can be interfaced with an Arduino microcontroller. This module includes 64 LEDs, capacitors, resistors, and a MAX7219CNG serially interfaced 8-digit LED display driver, making it perfect for DIY projects.

Key Features:

• LEDs: 64 x 5mm White LEDs
• Capacitors: 1 x 10uF electrolytic, 1 x 0.1uF ceramic
• Resistors: 1 x 10k ohm resistor
• Driver IC: MAX7219CNG Serially Interfaced 8-Digit LED Display Driver
• Power Supply: Compatible with Arduino
• Dimensions: 60x60mm

• High Detection Range: Adjustable detection distance between 2m to 16m with the adapter plate or reference circuit.
• Low Power Consumption: Operating current of 50mA max. and typical average current of 2mA at 5% DC.
• Microwave Frequency: 10.525GHz helium emission frequency for efficient detection.
• High Sensitivity: Sensitivity up to -86dBm with 3Hz to 80Hz bandwidth.

• Model: E01-ML01DP5
• Interface: SPI
• Power: 20dBm
• Distance: 2100m

• Lithium Battery Charging: Charges lithium batteries with a voltage range of 3.3V to 4.2V.
• Boost Power Supply: Provides a 5V/1A boost power supply for efficient energy delivery.
• Recommended Charging Voltage: Works optimally with 5V charging voltage.
• Max. Charging Current: Supports a maximum charging current of 1A.

The Mini 5A PWM DC Motor Speed Controller is an essential module for precise speed control of DC motors and LED dimming. With an operating voltage range of 3V to 35V and a maximum power control of 90W, this compact controller ensures efficient performance in a variety of applications.

• Operating Voltage: DC3V-35V
• Control Power: 90W (maximum)
• Quiescent Current: 0.015A (standby)
• PWM Duty Cycle: 1% -100%
• PWM Frequency: 10kHz
• Size: 24 x 30mm (0.94 x 1.18 inches)

• LM358 Chip Onboard: Ensures reliable operational amplification.
• 100x Gain Circuit Design: Ideal for signal amplification applications.
• Adjustable Magnification: Features a 10K adjustable resistor for gain tuning.
• Power Indicator: Onboard LED for power status indication.

• 4-Line Display: 20 characters per line, ideal for detailed data visualization.
• I2C Interface: Simplifies wiring and reduces required pins for Arduino and similar controllers.
• Adjustable Backlight & Contrast: Includes potentiometer and jumper for easy adjustments.
• High Compatibility: Works seamlessly with microcontrollers like Arduino and Raspberry Pi.

• Dual Voltage Compatibility: Works with both 3.3V and 5.0V power supply, offering flexibility in different setups.
• Signal Compatibility: Supports both 3.3V and 5.0V signal levels, making it adaptable to a variety of systems.
• Industrial Design: Uses imported chips with industrial-grade design, offering superior anti-interference ability.
• Wide Operating Temperature: Can operate in harsh environments with a temperature range from -40°C to +85°C.

• 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

• 17mm diameter for compact design
• 5V 3Bit WS2812 RGB LED technology
• 5050 RGB LED for vibrant color output
• Round shape ideal for decorative lighting

• Compact Design: Small 4.8cm x 1.8cm PCB for easy integration.
• Reliable Chipset: Uses ENC28J60/SS for stable performance.
• High-Speed Communication: Features a 25MHz crystal oscillator.
• SPI Interface: Ensures efficient data transfer with 3.3V power input.

Specifications:

• Input Signal: PWM (Pulse Width Modulation)
• PWM Input Range: 0% - 100%
• Output Voltage Range: 0-10V
• Power Supply: 12V - 24V DC
• Input Frequency: 1kHz - 3kHz
• Output Current: Maximum 10mA
• Dimensions: Varies by manufacturer (typically small, PCB module size)
• Working Temperature: -40°C to +85°C

Package:

1x Module

• 16-Channel PWM Output: Control up to 16 servos or LEDs with precise 12-bit resolution.
• Adjustable PWM Frequency: Supports frequencies up to 1.6 KHz, making it ideal for various applications.
• High Precision Control: Provides 12-bit resolution per channel, delivering approximately 4µs resolution at 60Hz update rate.
• Flexible Output Configuration: Supports push-pull or open-drain output modes.

Introducing our I2C Logic Level Shifter Bi-Directional Four-way module, designed for seamless two-way logic level transformation. This compact module measures just 1.5cm x 1.3cm and includes a 1x12 pin header for easy soldering. Perfect for use with breadboards, it supports high voltage to low voltage transformations (e.g., 5V to 3.3V).

Key Features:

• 4 channels for bi-directional logic level shifting
• Compact size: 1.5cm x 1.3cm
• Includes 1x12 pin header for easy soldering
• Compatible with breadboards
• Supports high voltage (5V) and low voltage (3.3V) levels

• Measures DC current, voltage, and power with high accuracy.
• Wide operating voltage range from 3V to 5.5V.
• Supports I2C interface for easy integration with microcontrollers.
• Current sensing range of ±3.2A with a resolution of ±0.8mA.

The XH-M603 12-24V Lithium Battery Charger Protect Board is a reliable charging control module designed to safeguard and manage lithium batteries. With an input voltage range of DC 10-30V, it ensures precise control and protection for your storage batteries.

• Model: XH-M603
• Input Voltage: DC 10-30V
• Display Precision: 0.1V
• Control Precision: 0.1V
• Output Type: Direct output
• Application Fields: 12-24V storage battery
• Size: 82 x 58 x 18mm