⚙️ 16-Channel 12V Relay Module with Optocoupler Isolation & LM2576 Power Supply (RS5645) ⚙️
The RS5645 16-channel relay module is a high-performance control board designed for automation and electrical switching applications.
It features optocoupler isolation for each channel to protect your microcontroller from voltage spikes, and an integrated LM2576 step-down converter that provides a stable 5V output for powering external devices.
Each relay includes an LED indicator, allowing easy status monitoring, making it ideal for smart home, industrial automation, and educational projects.
✅ Technical Specifications:
- Model: RS5645
- Channels: 16 independent relays
- Operating Voltage: 12V DC
- Trigger Type: Low-Level Trigger
- Control Current: 15–20mA per channel
- Max Load: 10A @ 250V AC / 30V DC per relay
- Isolation: Optocoupler protection on each channel
- Voltage Regulator: LM2576 (5V DC Output)
- Indicators: LED for each relay channel
- Relay Type: SRD-12VDC-SL-C or equivalent
- Input Pins: IN1–IN16
- PCB Material: High-quality FR-4
- Dimensions: 185 × 90 × 25 mm (approx.)
- Weight: ≈300g
🔹 Key Features:
✔ Built-in LM2576 5V regulator for stable power output.
✔ Optocoupler isolation ensures safe signal control.
✔ Supports up to 16 AC/DC independent loads.
✔ LED indicators show real-time relay status.
✔ Compatible with Arduino, ESP32, Raspberry Pi, and PLC systems.
✔ Ideal for industrial, smart home, and IoT applications.
📌 Common Applications:
- Home automation and smart control systems.
- Lighting, fan, and motor control.
- Multi-channel Arduino and ESP32 projects.
- Industrial automation and PLC integration.
- Educational training and electronics labs.
