This is a High current driver that will take TTL signals from your Arduino, etc to drive the relays. It includes status LEDs for each input. 5V, 12V, and 24V relay options are available. This item replaces TE-010-405 and TE-010-412
One pair of 10" wheels with aggressive treads and shafts. The shafts are machined steel with a welded hub. They are for our Heavy Duty and Enclosed Heavy Duty ATRs. These will not work for our Standard ATRs.