Selecting The USB Interface
By selecting the USB interface you will be sending commands through the USB port of your computer to the board. Boards on this page are equipped with a
ZUSB communications module that adds USB communications to the board. A command consists of a few bytes of data in numerical format usually
between 2 and 6 bytes. Once the command has been received, the controller processes the command and the relay activates.
Selecting a USB Relay Board
Below you will find the -channel USB Relay control that are available. The difference being the amperage of the relays
installed and the type of relay. Choose the controller that fits the amperage you are switching. You will find SPDT relays
in the 5, 10 and 20 amp versions and an SPST version in 30 amp. For more information on selecting the correct relay for your application see
Choosing a Proper Amperage
Easy Board Selection
Shop Time Relays Here
TaraList: Time Controlled Relays
Time Schedule Activated Relays with
Computer Interface. Use a Computer to Setup the Time Schedule.
Taralist Series Controllers do not require a computer after initial
Manually Take Control of Relays from Anywhere in the World using a Computer as
Find the board you need by using the interactive menu to he right. Hover
over the Button and select the number of relays you want installed and then
select the computer interface you need. Once there simply select the board with
the correct amperage for the item you are switching.