Raspberry Pi industrial expansion board with wide-range power supply, RTC, digital and analog inputs, power relays, open collector outputs and TTL I/O lines for 1-wire, Wiegand and other digital protocols
Industrial PLC with an Arduino core, CE compliant, with wide-range power supply, RS-485, digital/analog inputs/ouputs, power relays, I/O lines for 1-wire, I2C, Wiegand and other digital protocols