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MR-BusIO-ACIN is an experiment board for receiving 110-220VAC input and translates into TTL 5VDC level.
MR-BusIO-BUZZER is an experiment board for buzzer output.
MR-BusIO-DCIN is an experiment board for receiving 5V, 12V or 24VDC input and translates into TTL 5VDC level.
MR-BusIO-DCOUT is an experiment board for switching DC output voltage by using NPN Power Transistor 2SC1061.
MR-BusIO-MAIN is an experiment board which receives output signals from any microcontrollers.
MR-BusIO-PHOTORELAY is an experiment board for switching output by using AQV210E IC, PhotoMOS Relays
MR-BusIO-SW is an experiment board for receiving input from push button switch.
MR-BusIO-RELAY is an experiment board for switching AC or DC output by using mechanical relay.
MR-BusIO-SSRAC is an experiment board for switching AC output voltage by using SSR (Solid State Relay).