IO Expansion HAT for Raspberry Pi 5 / 4B / 3B+ (DFR0566)
Gravity-compatible expansion HAT for Raspberry Pi 5, 4B, and 3B+ (65×56 mm) adding digital, analog, PWM, I2C, UART, SPI, and I2S interfaces. Sensor ports run at 3.3 V logic on 5 V supply; a 6–12 V external input powers servo outputs.
Start wiring
Shield
Confirm the data interface matches your host board.
Add-ons
271 other optionsAbout 270 add-ons across Pi HATs, Arduino shields, and FeatherWings. The same function — motor control, PoE, display — usually ships once per host connector family. Get the host board right first.
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