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Relay 1 Channel Module Board 5V With Optocoupler (Active Low )

Relay 1 Channel Module Board 5V With Optocoupler (Active Low )

The KY-019 5V One Channel Relay Module Board is a user-friendly electronic module designed for controlling high-power devices reliably. It is suitable for temperature controller development and home appliance control applications.

Package Includes:

  • 1 x KY-019 5V Relay Module Board

9.95 AED 9.95 AED Tax Included
9.95 AED Tax Included

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Features:

  • Working Voltage: 5V
  • Pull-In Current: Approximately 70mA per channel
  • Relay Status Indicator: Provides visual feedback of the relay's operational status

Applications:

  • Temperature controller development projects
  • Home appliance control and automation

Test Instruction:

  • Simple 3-wire structure for each output group for easy integration
  • Includes six reserved output terminals for versatile connections
  • Input and output are electrically isolated for safe operation
  • Activate relay by supplying the correct voltage and connecting a high level to the input pin (e.g., short to VCC)
  • Deactivate relay by disconnecting or connecting a low level to the input pin (e.g., short to GND)

 

 

Features:

  • Standard Raspberry Pi 40PIN GPIO extension header, compatible with Raspberry Pi series boards
  • I2C bus communication for real-time monitoring of battery voltage, current, power, and remaining capacity
  • Multi-battery protection circuits: overcharge/discharge protection, over current protection, short circuit protection, reverse protection, and equalizing charge
  • Onboard 5V regulator, up to 2.5A continuous output current
  • 5V USB output for powering additional boards
  • Batteries warning indicators for easy connection verification

Specifications:

  • Output voltage: 5V
  • Charger: 8.4V 2A
  • Control bus: I2C
  • Battery supported: 18650 Li battery (NOT included)
  • Dimensions: 56mm × 85mm
  • Mounting hole: 3.0mm