Power over Ethernet HAT (B) for Raspberry Pi 3B+/4B and 802.3af PoE network

SKU WS-18014

We can get 100 units in Australia from WaveShare. If you order today, we can dispatch this stock between Mar 04, 2021 - Mar 16, 2021.


Power Over Ethernet HAT For Raspberry Pi 3B+/4B, 802.3af-Compliant
(Any Backward-Compatible Future Versions Will Be Supported As Well)

OLED for real-time monitoring temperature, IP, and fan status

The PoE HAT (B) is a 802.3af-compliant Power Over Ethernet accessory for the Raspberry Pi 3B+/4B. By using this small HAT and some proper 802.3af-compliant power sourcing equipments, it is possible to provide both network connection and power supply for your Raspberry Pi in only one Ethernet cable. 

Features At A Glance

  • Standard Raspberry Pi 40PIN GPIO header, supports Raspberry Pi 3B+/4B
  • PoE (Power Over Ethernet) capability,802.3af-compliant
  • Fully isolated switched-mode power supply (SMPS)
  • 0.91" OLED, for monitoring processor temperature, IP address, and fan status in real-time
  • Onboard cooling fan, allows auto running on powerup OR programmable control, configured by switch
  • Integrates PCF8574 IO expander for I2C bus, providing pin P0 for directly fan control, and more spare IO pins



37V ~ 57V DC in 0.91"
5V 2.5A DC out 128×32
802.3af PoE SSD1306
56.5 × 65mm white

For Use With Raspberry Pi 3B+/4B

Standard Raspberry Pi 40PIN GPIO Stackable Header, Allows Connecting Other HATs

Power Over Ethernet

Providing Both Network Connection And Power Supply For Your Raspberry Pi In One Cable

* proper 802.3af-compliant power sourcing equipment is required

0.91" OLED Display

128 × 32 Pixels, I2C-Bus Controlled
Monitoring Processor Temperature, IP Address, Fan Status In Real-Time

Cooling Fan

Allows Auto Running On Powerup OR Programmable Control, Configured By Switch
Automatically Turn On/Off Depending On The Raspberry Pi Processor Temperature

Onboard PCF8574 Chip

PCF8574 IO Expander For I2C Bus, Providing 8 IO Pins, Of Which P0 For Fan Control
And Extra Spare Pins On Solder Pads (P1-P7, INT)

Pinout Definition

Outline Dimensions

Resources & Services

WIKI: www.waveshare.com/wiki/PoE_HAT_(B)

* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.