1/2/4 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger DC30V/30A AC250V/10A
Aliexpress UK
1 2 4 8 Channel 5V/12V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger for Arduino
Aliexpress UK
ZT603-DC12V 20A 6Pin 6P Windscreen Wiper Relay High Switching Capability Product
Aliexpress UK
Upgraded Version Mono 500W Tube 2SC5200 + 2SA1943 20V-90V HIFI High Power Audio Amplifier Board + Speaker Protect Relay
Aliexpress UK
High/Low Level Trigger Relay Module 1/2/4/8 Channel 5V12V24V Home Intelligent Control Module With Optocoupler Isolation Output
Aliexpress UK
1PCS 1 2 4 8 Channel 5V 12V 24V Relay Module Board with Optocoupler Support High and Low Level Trigger for Arduino
Aliexpress UK
5V 12V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger
Aliexpress UK
LED Dual MOS Time Delay Relay DC 5V-30V High Level Trigger 12V 24V 0-999 Digital Display Cycle Time Timer Delay Switch Circuit
Aliexpress UK