This controller was made as a final project of my electrical studying. There are 10 D/I and 10 D/O that allow switch electrical devices (like motors, heaters, etc.) with continuous current up to 8A (230VAC). Main parts: Controller - Unitronics V120-22-R34. VIP – Voltage/Current/Power metter. PS – TDK 24VDC / 4A. 10 Relays – 24VDC (230VAC / 8A). Enclosure BI-4 – 350/250/130mm (IP55). Toggle switches, reset buttons, red lamps, "banana" sockets. Front panel made aluminum 2mm. All the milling works were performed on Roland EGX-350 CNC machine.