• Blue Background Lighting with White Signs.
• Displays 4 lines x 20 characters.
• Wide Operating Temperature: -20°C to +60°C.
• High Viewing Angle and Contrast.

• Full HD 1080P resolution with up to 120FPS for smooth video capture
• AI-powered visual recognition for advanced object detection and tracking
• Wide field of view (80°–120°) for enhanced coverage
• USB 2.0 plug-and-play compatibility for easy setup and fast data transfer

• Compact Design: Ideal for DIY projects and educational purposes
• 3 LED Colors: Red, Yellow, and Green for traffic signal simulation
• Wide Compatibility: Works with both 3.3V and 5V power supply
• Independent Control: Each LED can be controlled separately

• Supports FAT file system SD carrier
• Supports playing of 4Bit ADCPM format files
• Recognize the voice files automatically
• Support microprocessor and key control

• Operates at 125KHz frequency for reliable RFID detection
• TTL level RS232 interface for easy microcontroller integration
• Low power consumption, working at <50mA
• Effective receiving range of 20-50mm, depending on the environment

• 3.2-inch TFT LCD screen with Ultra HD resolution
• Screen resolution: 480x320 pixels
• High-quality backlight with 6 white LEDs
• Wide power supply range (5V/3.3V)

• Compact Design: Shell-in-one structure for enhanced durability
• High Voltage Output: Capable of stepping up voltage to DC 200-400KV
• Efficient Current Handling: Input 4A and output 0.5A
• Polar Discharge Distance: Approximately 1.5 cm, beyond which damage may occur

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

• Transmission distance up to 8 meters
• Effective angle of 60 degrees
• 20,000 estimated usage cycles
• Arduino compatible

• Input Voltage: DC 8.5V to 48V
• Output Voltage: 10V to 50V (Continuously adjustable)
• Output Current: 0.2A to 8A (Constant Current Range)
• Conversion Efficiency: Up to 96%

• 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.

• 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

• Serial Baud Rate: Supports baud rates from 1200 to 460800bps.
• Working Frequency Band: Operates on 850/900/1800/1900 MHz.
• Control Mode: Uses AT commands (3GPP TS27.007).
• GPRS: Supports PPP connection and embedded TCP/IP protocol.

Specifications:

• Mini DC Charging Fan Circuit Board
• 3 Level Speed Control & LED Indicator
• Ideal for Electrical Circuitry & Parts
• Best Choice To Replace Or Making a Mini Fan
• USB 5V Charging

Package:

1x Mini Rechargeable Fan Circuit Board with 3 Level Speed Control and Led Indicator

• 2-digit 7-segment LED display with red illumination for clear visibility
• Common Anode (C.A.) configuration for ease of integration into electronic circuits
• Brightness of 1.0 mcd @ 10mA, offering good visibility even in low-light environments
• Right-hand side decimal point location, ideal for numerical displays and counters

• 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.