DC 5V 16-Channel Low-Level Relay Module with Optocoupler Isolation and LM2576 Power Supply

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Product description

⚡ DC 5V 16-Channel Low-Level Relay Module with Optocoupler & LM2576 Power Supply ⚡

The 16-Channel 5V Relay Module is a professional-grade relay control board that allows microcontrollers like Arduino, ESP32, or Raspberry Pi to control high-voltage devices safely. It features optocoupler isolation for protection and an integrated LM2576 power regulator for stable performance.

✅ Technical Specifications:

  • Operating Voltage: 5V DC
  • Channels: 16 independent relay outputs
  • Trigger Type: Low-level trigger
  • Relay Ratings: 10A @ 250VAC or 30VDC per channel
  • Power Regulator: LM2576 (stable DC conversion)
  • Protection: Optocoupler isolation for each channel
  • Control Signal: TTL compatible
  • Indicators: LED status indicators for each relay
  • Power Terminals: JD-VCC and VCC separated for full isolation
  • Dimensions: ~180 × 90 × 20 mm
  • Approx. Weight: 260 g

🔹 Key Features:

✔ 16 isolated relay channels for multi-device control.

✔ Optocoupler protection ensures safe operation.

✔ Built-in LM2576 regulator provides reliable 5V power.

✔ LED indicators for relay activity monitoring.

✔ Compatible with Arduino, ESP32, Raspberry Pi, and PLCs.

✔ Industrial-grade design suitable for smart control applications.

📌 Common Applications:

  • Automation and control systems.
  • Smart home and IoT projects.
  • Lighting, motor, and pump control.
  • Security and monitoring systems.
  • Industrial robotics and process control.


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