Raspberry Pi Pinout

Appliance HAT

The Appliance HAT is a 6 channel SPST relay I/O board based on the Microchip MCP23017 I2C expander. Ideally suited to switching of household appliances, industrial control or home automation applications.


  • 6 opto-isolated quick connect power relays
  • Up to 16A @ 250V AC
  • Easy to use interactive web GUI
  • Based on the MCP23017 16-port GPIO expander
  • Jumper selectable I2C address & GPIO voltage (3.3V / 5V)
  • Can be used with 3.3V or 5V I2C host devices (eg, Arduino)
  • Built-in user programmable ID EEPROM

Easy Installer

Our easy installer takes care of the setup process automatically.

sudo wget https://git.plasmadan.com/install.sh
sudo sh install.sh

Alternatively, you can install manually. See our setup guide.


  • fabriqué par PlasmaDan
  • carte au format HAT
  • identification produit par EEPROM
  • alimentation 5v et 3v3
  • 2 broches GPIO actives
  • communication par bus I2C
  • 0x20: MCP23017 (Alt: 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27)
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Appliance HAT