The 2-Channel 5V Relay Module (Optocoupled, for Arduino/PIC/ARM) is a compact two-relay interface board that lets microcontrollers such as Arduino, PIC, ARM, AVR and DSP boards switch higher-voltage or higher-current loads. Each channel uses an optocoupler-isolated SPDT relay so the control-side logic stays fully separated from the switched circuit.
Key features:
- Two Independent Channels: Controls two separate AC or DC loads from one small board.
- Optocoupler Isolation: Keeps microcontroller logic pins electrically isolated from the relay coil and switched load.
- 5V Logic Trigger: Compatible with standard 3.3V/5V microcontroller outputs including Arduino, PIC, ARM, AVR and DSP.
- 10A Relay Rating: Each SPDT relay is rated up to 10A at 250VAC or 10A at 30VDC.
- Screw Terminal Outputs: NO/COM/NC screw terminals make load wiring quick and solder-free.
- Compact Layout: Small footprint fits easily inside enclosures or alongside other modules on a project board.
A handy building block for automation, remote switching and any beginner-to-intermediate project that needs to control mains or DC loads from a microcontroller.
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