Profile: Astronomical Research Cameras is a designer and manufacturer of controllers. Our controllers include electronic circuits, mechanical assemblies and power supplies. Our 250 MHz fiber optic timing boards offer three main functions such as communicating between the controller and the host computer, generating timing waveforms and providing overall controller supervision. Our utility board includes exposure timing, sensor temperature control, shutter control and system voltage monitoring. Our 250 MHz PCI interface board provides communication and data transfer between the host computer & the controller.