Raspberry Pi HATs (Hardware Attached on Top) are expansion boards that connect to the Raspberry Pi's 40-pin GPIO header, adding hardware capabilities defined by a standard that includes an ID EEPROM for automatic driver configuration. They stack cleanly on the Pi without additional wiring.
The range includes GPIO breakout boards for breadboard access, motor and servo driver HATs, sensor expansion HATs with I2C and ADC interfaces, relay HATs for mains switching, and prototyping HATs with solderable perfboard areas.
Raspberry Pi HATs and breakout boards are used in robotics builds, industrial control systems, sensor data acquisition, home automation, STEM education projects, and any application where a clean, board-mounted expansion of the Pi's hardware interfaces is preferred over loose wiring.
Raspberry Pi UPS
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- $63.80
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Raspberry Pi GPIO Hat
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- $28.00
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- $28.00
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Raspberry Pi T-Cobbler Breakout
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- $5.80
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Raspberry Pi M.2 HAT+ for Raspberry Pi 5
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- $29.80
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- $29.80
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Raspberry Pi 5 Power Over Ethernet PoE HAT (G) 802.3af/at Network Standard
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- $25.00
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- $25.00
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Power over Ethernet HAT (B) for Raspberry Pi 3B+/4B and 802.3af PoE network
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- $29.00
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- $29.00
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A7670E LTE Cat-1 HAT for Raspberry Pi, Multi Band, 2G GSM / GPRS, LBS, for Europe, Southeast Asia, West Asia, Africa, China, South Korea
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- $50.00
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- $50.00
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2-Channel Isolated CAN Bus Expansion HAT For Raspberry Pi, Dual Chips Solution, Stackable Design, Raspberry Pi HAT
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- $35.00
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- $35.00
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Uninterruptible Power Supply UPS HAT For Raspberry Pi Zero, Stable 5V Power Output
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- $33.60
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- $33.60
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Raspberry Pi Dual Cooling Hat Kit
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- $21.40
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- $21.40
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Raspberry Pi Expansion Hat
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- $42.20
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- $42.20
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Multi-IO 8-Layer Stackable Modbus HAT for Raspberry Pi
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- $188.00
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- $188.00
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Raspberry Pi AI HAT+ 2
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- $299.00
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- $299.00
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Raspberry Pi UPS HAT 5V 6A, Supports 4× batteries
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- $114.00
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- $114.00
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