Overview

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.

Specification

POE HAT FOR RASPBERRY PI: Power Over Ethernet HAT For Raspberry Pi 3B+/4B, 802.3af-Compliant
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
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)

Features

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

Package Content

1. PoE HAT (B) x1
2. Standoffs pack x1