BEVRLINK 4 Channel Relay and 4 manual test buttons 12V
2Pcs 5V One Channel Relay Module Low Level for SCM Control, Arduino [USA store]
A normal style relay to switch a single data line to turn on/off. Perfect for RaspberryPi or Aduino projects. You need 5v to power the relay coil.
Relay for Raspberry Pi or Arduino 1-Channel 5V Relay Module 250V/10A
Quad Store - 8 Channel 5v Relay Module Eight Channel - Quad Store
5V 2 Channel Relay Module with Optocoupler – diymore
5V USB 4 Channel Automation Relay Computer Control for Arduino – Aideepen
DIYables 4-channel Relay Module 5V for Arduino, ESP32, ESP8266, Raspberry Pi
Geekcreit 2 Channel Isolated Relay Module, 5V, SPDT Output
1 Channel 5V Relay Module 10A/250V
Four Channel 5V 3A Relay Shield – Cute Lava