Mini PCB mounted single pole changeover relays.
eBay
1 Channel 5V Relay 6-30V Relay Module OFF/ON Switch Trigger Time Delay Circuit Timer Cycle 999 minutes Adjustable XY-J02
Aliexpress UK
NO: normally open relay interface. NC: normally closed relay interface. Module interface Relay outputs COM: Common Interface Relays. low level trigger when jumper connects to LOW pin. High and low level trigger options.
eBay
1 Channel 5V Relay 6-30V Relay Module OFF/ON Switch Trigger Time Delay Circuit Timer Cycle 999 minutes Adjustable XY-J02
Aliexpress UK
1/2/4/6/8/16 Channel Relay with Optocoupler. 5V 12V 24V for Arduino Raspberry PI. A power relay module is an electrical switch that is operated by an electromagnet. 1 Channel Relay Module. 2 Channel Relay Module.
eBay
1 Channel 5V Relay 6-30V Relay Module OFF/ON Switch Trigger Time Delay Circuit Timer Cycle 999 minutes Adjustable XY-J02
Aliexpress UK
Mini PCB Mount Relay 5V or 12V. Max Switching Current: 10A. Rated Load: 10A 250VAC, 10A 30VDC.
eBay
TZT 5V Relay 1 2 4 8 Channel For OMRON SSR High Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress UK
NO: The relay normally open interface, the relay is suspended before the suction, and the short is connected with COM after the suction. 1, The module uses genuine high-quality relays and parts, the maximum load of the normally open interface: AC 250V/10A, DC 30V/10A;.
eBay
1 Channel 5V Relay 6-30V Relay Module OFF/ON Switch Trigger Time Delay Circuit Timer Cycle 999 minutes Adjustable XY-J02
Aliexpress UK
Mini PCB mounted single pole changeover relays.
eBay
1 Channel 5V Relay 6-30V Relay Module OFF/ON Switch Trigger Time Delay Circuit Timer Cycle 999 minutes Adjustable XY-J02
Aliexpress UK
Relay Module 5V Channel 1, 2, 4,6 and 8 for Arduino Raspberry Pi ARM ESP8266 ESP32 with Optocoupler.
eBay
1Channel 5V Relay Module Optocoupler Isolated High-Low Trigger Single Chip Red Board 1 way
Aliexpress UK
5V or 12V 1-2-4-8-16 Channel Relay Module Arduino Raspberry PI ARM AVR DSP PIC. - Red working status indicator for each relay module. - Channel: 1/2/4/8/16 channels. New Arrivals.
eBay
2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR ST
Aliexpress UK