5V 4-Channel Relay Module designed to control up to four independent AC or DC loads using Arduino, ESP32, Raspberry Pi and other microcontroller systems. The module provides four electromechanical relays with NO, COM and NC contacts, onboard LED indicators, screw terminals and a VCC/GND/IN1-IN4 control interface. Ideal for robotics, IoT, home automation, industrial control, STEM education and DIY electronics projects.
| Module Type | 4-Channel Relay Module |
| Operating Voltage | 5V DC |
| Number of Channels | 4 |
| Relay Type | Electromechanical |
| Relay Contact Type | SPDT |
| Relay Channels | CH1 / CH2 / CH3 / CH4 |
| Control Interface | VCC / GND / IN1 / IN2 / IN3 / IN4 |
| Output Terminals | NO / COM / NC |
| Contact Rating | Up to 10A @ 250VAC |
| DC Contact Rating | Up to 10A @ 30VDC |
| Status Indicator | Individual LED Indicators |
| Trigger Input | Digital Control Signal |
| Output Connection | Screw Terminals |
| Power Supply | 5V DC |
| Mounting Type | PCB Mount |
| Channel Control | Independent |
| Application | AC/DC Load Switching |
| Compatible Boards | Arduino / ESP32 / ESP8266 / Raspberry Pi |
| Applications | Robotics / IoT / Home Automation / STEM Projects |