Shop for Option Boards at Omega and enjoy the best selection and prices. Our boards can accompany as many as 144 TTL digital I/O lines. We have 12-channel counter boards, 32-channel single-ended isolated analog input boards, PCI bus 144-bit DIO boards, and many others. When your application demands options boards that deliver dependable transmissions, high output driving capability, or polling, interrupt, and DMA A/D data transfer modes, you'll find the hardware you need at Omega. At Omega, we deliver the reliable hardware you need.