1 channel 5V Relay Module, Opto-coupler isolated, for Arduino and MCU projects.

Opto 22 MP240D4-17 SSR 240Vac 4A, control 3-24VDC Arduino / Raspberry pi Pico

5V Relay Module 1/2/4/6/8 Channel Opto-Isolated for Arduino ESP32 Raspberry Pi

1 channel 12V Relay Module, Opto-coupler isolated, for Arduino and MCU projects.

5V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways

Brand NEW Opto 22 Model 5126 Solid State Relay NOS

5V 16 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 16 Ways

2pcs 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level