This 24-Channel Relay board offers a modular USB interfaced that may be replaced with Digi XBee modules, including ZigBee 802.15.4 and well as various Digi

This 32-Channel Relay Board is one of our most popular for industrial customers. This controller has a USB interface powered by the FTDI FT232RL Virtual

This 24-Channel USB relay board has a modular USB interface, compatible with Digi XBee modules, as well as Ethernet, Wifi, Bluetooth, RS-232 and other communication

USB Solid State Relay Controllers make it easy to control high-power loads using highly reliable solid state switching technology. We use the FTDI FT232RL USB

This overview shows the hardware features of the ProXR Lite 1-Channel 20A USB relay board, ideal for computer controlled switching applications. This controller has many

This overview shows the hardware features of the ProXR Lite 1-Channel 5A and 10A USB relay boards, ideal for computer controlled switching applications. This controller

This 2-Channel High Power USB Relay Controller makes it easy to add computer controlled switching to your next automation application. Capable of switching 20 or

This 2-Channel USB Relay Board uses the FTDI FT232RL USB to Serial Converter Chip to establish a Virtual COM Port (VCP) connection to any operating

ProXR Lite USB Relay Controllers make it easy to switch high power loads while monitoring sensors. Integrated analog to digital converters make it easy to

This ProXR Lite 4-Channel USB Relay Controller is capable of controlling 4 on-board 5 Amp or 10 Amp relays as well as monitoring 8 on-board