24V 8-Channel Automation Control Module with High Low Level Triggering Options

24V 8-Channel Relay Control Module for Electronic Controller Prototyping Tasks

8-Channel 24V Control Module for Multi-Device Switching in Automation Setups

24V 8-Channel Solid State Control Module for Electronic Development and Testing

6PCS 2-Channel Opto-Isolation Module, power level Control Adapter Module, Driver

4 Channel USB Relay Board for Controlling High Voltage AC and DC Loads

Robot Car Kit for Teaching Logic Control and Real-Time Track Adaptation

8PCS 5V Powered Single Channel Audio Board XPT8871 Chip 5W Output DIY Module