• 2 Channel 5V Relay Module

    1. The module using Songle relay control.
    2. AC voltage 250V, AC current 10A, maximum DC voltage 30V DC current maximum 10A.
    3. Power indicator (green), Two ways of relay status indicator light (red).
    4. Using 8550 transistor-driven, strong driving ability.
    5. Has the fixed bolt hole and easy installation.
  • MP3-TF-16P MP3 SD Card Module with Serial Port

    Application
    1. Car navigation voice broadcast
    2. Road transport inspectors, toll voice prompts
    3. The train station, bus station voice prompts security check
    4. Electric power, telecommunications, financial operating room voice prompts
    5. The vehicle into or out of the channel to verify the voice prompts
    6. Border control channel voice prompts
    7. Multi-channel voice alarm or voice guidance equipment operation
    8. Electric sightseeing bus safety with voice notices
    9. Electrical and mechanical equipment failure alarm
    10. Fire alarm voice prompts
    11. Automatic broadcasting equipment, regular broadcast.

    Specifications and Features :

    1. Supports sampling rates (kHz): 8 / 11.025 / 12/16 / 22.05 / 24/32 / 44.1 / 48.
    2. 24-bit DAC output, dynamic range support: 90dB, SNR support: 85dB.
    3. Fully supports FAT16, FAT32 file system, maximum support 32G TF card, support U disk to 32G, 64M bytes of NOR FLASH.
    4. A variety of control modes are available. IO control mode, serial mode, AD key control mode.
    5. The broadcast language spots feature, you can pause the background music being played. Advertising finished playing back background sound to continue playing.
    6. The audio data is sorted by folder, supports up to 100 folders, folders can assign every 255 Tracks
      7,30 level adjustable volume, adjustable EQ 6.
  • 5V 8 Channel Relay Module

    Features:

    1. The 8550 transistor drive, drive ability.
    2. A fixed bolt holes for easy installation.
    3. It has a relay status indicator led Power LED(Green), 8 relay status indicator LED(Red)
    4. Relay control interface by single-chip IO.
    5. Low-level suction close, high-level release.
    6. Easy to use, simple 3 line structure.
  • 5V 16 Channel Relay Module with Light Coupling LM2596S Power Supply

    Features :

    1. 5V 16-Channel Relay Module with AC contact capacity of 10A 250V and optocoupler protection.
    2. Onboard power supply module does not need an external power supply. I / O port driver is active low.
    3. The module can be used as a microcontroller development board module and also as appliance control, PLC extended output.
    4. It is using the industry’s top -quality isolation optocouplers, strong anti-jamming ability, stable performance.
    5. The 1-16 road can be any full on/off or any road.
    6. Each relay common terminal “COM” are independent, user-friendly access to different signals, each relay are normally closed and normally open with the port.
    7. Each relay is equipped with motion lights.
    8. All interfaces can be directly connected through the terminal leads, very convenient.

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