MERICDA

2PCS 1-Channel 5V Relay Module with Optocoupler Isolation High Low Level Trigger Control for Arduino Raspberry Pi PLC

$7.99

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About this item

  • Safe & Stable Isolation Design – Built-in optocoupler isolation protects microcontrollers (Arduino, ESP8266, etc.) from voltage spikes, surges, and electromagnetic interference.
  • Dual Trigger Modes – Supports both high-level and low-level triggering (jumper-selectable) for flexible compatibility with 3.3V/5V control systems.
  • 8 Independent Channels – Control up to 8 devices (AC 250V/10A or DC 30V/10A) simultaneously, ideal for smart homes, irrigation systems, or industrial automation.
  • LED Status Indicators – Clear visual feedback for each relay’s on/off state. Includes screw terminals for secure wiring and DIN rail mounting support.
  • Plug-and-Play Compatibility – Pre-soldered headers and labeled pins (VCC, GND, IN1–IN8) for quick integration with breadboards, PLCs, or IoT projects.
$7.99

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