One Channel 12V Relay Module With Optocoupler Isolation For High And Low Level Triggering Pack Of 10 Plug-And-Play Easy Wiring Terminal Board With Power And Relay Status LEDs For DIY Projects And Smart Home Hobbyists

Pack of 10: 12V Relay Module with Optocoupler Isolation
✔️ 1-channel 12V relay board, TTL trigger, optoisolated, NO/COM/NC

This 1-channel 12V relay module uses optocoupler isolation to safely switch AC or DC loads from microcontrollers. It's a handy module for DIY automation and smart home projects.

✅ 1-channel 12V relay module with optocoupler isolation
✅ TTL input, 5 mA trigger current, 0-1.5V LOW or 3-5V HIGH
✅ Maximum load: AC 250V/10A or DC 30V/10A
✅ Indicator LEDs: Power (green) and Relay status (red)
✅ NO/COM/NC outputs with COM common terminal

💡 What is a 12V relay module with optocoupler isolation used for in DIY projects? This handy device lets you safely control high-load equipment from a microcontroller. - High-load switching for motors, lights, and actuators - Isolation protects control electronics from spikes and noise - TTL/CMOS logic compatibility for easy interfacing - Simple wiring with status LEDs for quick diagnostics

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