LAN Ethernet IP Eight channels UDP Relay Controller with Clips for DIN Mount Rail
KMTronic USB 8 Channel Relay Board DIN rail | eBay
RF433MHz Relay Controller - Eight Channel
relay-board · GitHub Topics · GitHub
KMtronic Ltd: USB Eight Channel Relay Controller - RS232 Serial controlled - 12V
KMtronic Ltd: USB Eight Channel Relay Controller - RS232 Serial controlled, 12V, PCB
GitHub - donatmarko/kmtronic-usb-relaybox-http: :snake: Python3 middleware for KMTronic USB 8 channel relay boxes to control the relays remotely with HTTP requests.
USB Relay Controller - One Channel - PCB
KMtronic Ltd: Relay Unit - Control up to 8 devices using your PC - 12V
Amazon.com: USB Eight (8) Channel Relay Board for Automation- 12VDC : Electronics