Raspberry Pi HAT Adapter

KiCad 3D	Assembled HAT

• attaches to a Raspberry-Pi compatible 40-pin I/O header
• makes use of GPIOs, 2x I2C-bus, and SPI
• GMM-7550 module may be powered either with 5 V from the 40-pin header or from a dedicated power connector
• power control and current consumption monitoring of the GMM-7550 module with Analog Devices ADM1177
• reset signal control to the module
• LEDs indicating the module power, reset and configuration status
• voltage level translators for I2C-bus, SPI, and GPIOs
• CAT24C32 HAT ID EEPROM with write protection
• 10-pin JTAG programming connector
• two 12-pin Pmod connectors with 3.3 V I/O signals