User Manual

Addressing the HATs

Each HAT in the stack must be assigned a unique address. This is done with the address jumpers on the middle right

of the board. The I2C base address for each board is 0x40. The binary address that you program with the address

jumpers is added to the base I2C address.

To program the address offset, use a drop of solder to bridge the corresponding address jumper for each binary '1' in