Five Pack One Channel Five Volt Relay Module With Optocoupler Isolation Supports High Or Low Level Trigger Plug And Play Red Expansion Board For Diy Maker Projects
✔️ 5V relay module, opto-isolated, high/low trigger, 5mA drive
This five-pack, one-channel relay module is designed for DIY maker projects, prototyping, and compact control panels. It features optocoupler isolation to keep your microcontroller safe from noise and voltage spikes, while a jumper selects between high and low level triggering. The plug-and-play screw-terminal interface makes wiring quick and reliable for breadboards and small automation setups.
✅ Patch optocoupler isolation, high/low trigger via jumper
✅ Strong driving ability: 5 mA input drives a 10 A relay
✅ User-friendly interface with direct wiring terminals and LED indicators
✅ Size: 50mm × 26mm × 18.5mm; 4 mounting holes, 3.1mm, spacing 44.5 × 20.5mm
✅ Stable performance for microcontroller control and power switching
💡 What is a 5V relay module with optocoupler isolation used for?
It's handy for safely switching loads in DIY projects.
- Opto-isolation protects microcontroller logic from load transients
- Jumpers let you select high or low level triggering for flexible control
- Low input current around 5 mA can drive a 10 A rated relay