4 Channel USB Relay Module DC 5V Input for Automation Robotics Projects

9-48V Input Dual 5V Output Dual Isolated 5V Outputs For Automation Projects

Dual 5V Output Dual Isolated 5V Outputs Ripple <50mV For Automation Projects

12V Photosensitive Relay Module for LED Lamp and Outdoor Light Automation

Adjustable 12V Relay Module with Digital Countdown Timer for Automation

9-48V Input Dual 5V Output Wide Input 9-48V Ripple <50mV For Automation Projects

9-48V Input Dual 5V Output Up To 85% Efficiency For Automation Projects

Dual 5V Output Step-down Regulator Up To 85% Efficiency For Automation Projects