: Close and reopen the software to refresh the database. You should now be able to find the module by searching for "4 channel relay" in the "Pick Devices" window. Key Specifications for Simulation
| Parameter | Value | |--------------------|--------------------------------| | Channels | 4 | | Coil Voltage | 5V DC | | Control Signal | 3.3V / 5V logic (Active HIGH) | | Max Switching Load | 10A @ 250VAC / 30VDC (NO) | | Opto-isolation | PC817 (simulated as virtual) | | Indicators | 4x LEDs (one per relay) | | Interface | 4 inputs + VCC + GND | | Connector Type | 2x3 Male Header (or screw term)| 4 channel relay module library for proteus new