Waveshare Power over Ethernet HAT (B) for Raspberry Pi 3B+ and 4B Supports 802.3af PoE Network
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This Power over Ethernet (PoE) Raspberry Pi HAT is embedded with 80.23af Power Sourcing Equipment. The HAT features the standard 40 PIN Raspberry Pi GPIO. It supports Raspberry Pi 3B+ and Raspberry Pi 4B Boards. The Power over Ethernet HAT comes with a small 0.91-inch OLED to monitor processor temperature, IP address, and status of the cooling fan in real-time.
Video Presentation of the Product




Cooling Fan Onboard
Features of Power over Ethernet (PoE) HAT for Raspberry Pi
Power Sourcing Equipment |
Requires 802.3af Power Sourcing Equipment |
OLED |
0.91-inch OLED for real-time monitoring of IP address, processor temperature, and cooling fan status |
Compatible with the standard 40 PIN Raspberry Pi GPIO |
Designed for Raspberry Pi 3B+ and Raspberry Pi 4B |
Comes with the onboard Cooling Fan that supports switch configuration, programmable control, and powerup auto running |
Integrates I2C Bus with PCF8574 I/O Expander (Pin P0 for Direct Fan Control) | Solder Pads have spare pins (INT and P1-P7) |
Supports Switched Mode Power Supply (Fully Isolated SMPS) |
Specifications of Power over Ethernet (PoE) HAT for Raspberry Pi
Size of OLED |
0.91-inch |
Power Input (PoE / DC in) |
From 37V to 57V DC in |
Power Output (PoE / DC out) |
5V / 2.5A DC out |
Display Color of OLED |
White |
Driver for OLED |
SSD1306 |
Standard PoE Network |
802.3af (Power Sourcing Equipment Required) |
Dimensions |
5.65cm x 6.5cm | 56.5mm x 65mm |
Weight |
52 Grams | 0.052 Kg |
Pixel Resolution of OLED |
128x32 pixels |
Form Factor
Pin Definition
Items Included
- PoE HAT for Raspberry Pi 3B+ and 4B x1
- Pack of Standoffs