One Channel 3V 3.3V Relay High Level Driver Module With Optocoupler Isolation Plug And Play 10A 250VAC And 10A 30VDC Load Isolated Drive Board For ESP8266 Development And DIY Smart Home Projects
✔️ 10A 250VAC/10A 30VDC load, optocoupler isolation, high-level trigger
This is a single-channel relay driver module with optocoupler isolation, designed for microcontrollers and IoT projects. It is a handy choice for ESP8266 development boards and DIY smart home setups, letting you safely switch up to 10A at 250VAC or 30VDC with a high level trigger.
✅ Working voltage: DC 3-3.3V
✅ Load: 10A 250VAC / 10A 30VDC
✅ Trigger current: 3mA
✅ Response time: <20ms
✅ Isolation: Photocoupler isolation
✅ High level trigger input from MCU IO
✅ Long life: up to 100,000 cycles with diode-freewheel protection
💡 What is a high level trigger relay module with optocoupler isolation used for in microcontroller projects? This handy device keeps MCU safe while driving high current loads from a low voltage signal. - Easy interface with 3V/3.3V logic - Photocoupler isolation protects the MCU - Handles 10A loads at 250VAC or 30VDC - Great with ESP8266 and DIY smart home setups