UniPi 1.1 is an extension board for Raspberry Pi. Together they make a programmable control unit for universal use in systems of automion, regulation, and monitoring. Compatibile con Raspberry Pi B+, Raspberry Pi 2 e Raspberry Pi 3 8 × changeover relays rated 250 V AC/5 A or 24 V DC/5 A 12 × galvanically isolated digital inputs triggered by 5-24 V DC voltage with minimum pulse length of 5ms 1 × 1-Wire port for connection to 1-Wire Thermometers and other sensors 2 × 0-10V analog inputs, 1 × 0-10V analog output, 1 × I2C port for espansion, 1 × UART port for external serial communications, requires an external 5V 2.5A power supply with 2.1mm DC jack