SB Components launched "" to expand the functionality and capabilities of the Raspberry Pi, This gives you an I2C interface & 2-channel UART with 8 programmable GPIO Pins. To do more things with this Raspberry Pi Serial Expansion HAT we added more slots and there are 8 programmable GPIO pins in which you can attach more accessories and Add-ons.

• Standard Raspberry Pi 40-pin GPIO extension header supports Raspberry Pi, series boards
• Onboard SC16IS752, expand 2-channel UART and 8 programmable GPIO through I2C
• Stackable upto 16 modules by setting the address jumper, which means up to 32-channel UART
• Onboard multi LEDs for indicating the UART working status
• Reserved I2C control pins
• Comes with development resources and manuals.

Resources