Rockpi4/hardware/HATs
ROCK Pi 4 > Hardware > HATs
Contents
Introductions
A HAT (Hardware Attached on Top) is an add-on board for ROCK Pi 4 that conforms to a specific set of rules that will make life easier for users.
HATs Lists
A list of working HATs tested by radxa and the community.
RaZberry/RaZberry2
Zwave module by Z-Wave.Me. It uses uart2 TX/RX on the 40PIN GPIO. Tested working on ROCK Pi 4 by disabling the serial console on uart2. See discussion on the forum.
ROCK Pi PoE HAT
ROCK Pi PoE allows to provide both power and network connectivity to your ROCK Pi across a single Ethernet cable.
Feature
- 802.3at up to 23W
- PWM control FAN up to 12000RPM
- Temperature sensor
- Optional 40PIN GPIO exported
- Compatible with ROCK Pi 4 and Raspberry Pi
- Gigabit ethernet
Caution
- The power to the ROCK Pi PoE from the managed switch or from the external injector should only be applied after the Ethernet cables have been connected.
- Connect the fan as showm below
