Datasheet

UniPi

Technical parameters

Onboard I

C ICs

All onboard I

C chips are connected to the main bus.

Table 8 - I2C chip addresses

Chip type

Address

Usage

MCP23008

0x20

Relays

DS2482-100

0x18

1Wire master

MCP79410

0x6F, 0x57

Real Time Clock

MCP3422

0x68

ADC

24AA00/24C02

0x50-0x57

EEPROM

Relays

• Version 1.0: 8x Omron G5LA-1-E: 250V AC/5A or 24V DC/5A

• Version 1.1: 8x Finder 36.11.9.005.4001

Digital Inputs

• 12(+2)x 5-24V DC

Analog Output

• Maximum supply voltage: 35V

• Maximum output current: 20mA

Power Requirements

• The main UniPi power connector is standard 2.1mm inner diameter, 5.5mm outer diameter

• 5V DC 2A in single power supply mode (JP1 connected)

o Attention: UniPi can supply only 750mA (1.1A in newest version) to the RPi

• When JP1 disconnected

o 5V DC 1.5A for UniPi

o 5V DC min 1A for Raspberry Pi (according to the RPi manual)

Dimensions

Width: 198mm

Height: 86mm

Depth: 16mm (without the RPi, cable and spacers)

Weight: 0.21kg