Power over Ethernet HAT B PoE HAT for Raspberry Pi 4 B+ 3 B+ 3 B 802.3af Compliant 37V-57V DC Input 5V 2.5A DC Input Onboard 0.91 inch OLED for Monitoring Processor Temperature IP Address

• Poe HAT with Standard Raspberry Pi 40PIN GPIO header, supports Raspberry Pi 3B+/4B
• PoE (Power Over Ethernet) capability，802.3af-compliant.Integrates PCF8574 IO expander for I2C bus, providing pin P0 for directly fan control, and more spare IO pins
• 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.

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. Features 1.Power Over Ethernet HAT For Raspberry Pi 3B+/4B, 802.3af-Compliant((Any Backward-Compatible Future Versions Will Be Supported As Well)). 2.Onboard 128 × 32 Pixels 0.91"OLED display , I2C-Bus Controlled,for real-time monitoring temperature,IP,and fan status. 3.Standard Raspberry Pi 40PIN GPIO Stackable Header, Allows Connecting Other HATs 4.Providing Both Network Connection And Power Supply For Your Raspberry Pi In One Cable 5.Onboard cooling fan ,Allows Auto Running On Powerup OR Programmable Control, Configured By Switch.Automatically Turn On/Off Depending On The Raspberry Pi Processor Temperature. 6.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). Specifications PoE Power input: 37V ~ 57V DC in PoE Power output: 5V 2.5A DC out Network standard: 802.3af PoE Dimensions: 56.5mm x 65mm OLED size: 0.91inch OLED pixels: 128x32 OLED driver: SSD1306 OLED display color: White Package Content PoE HAT (B) x1 Standoffs pack x1 Development Resources WIKI:www.waveshare.com/wiki/PoE_HAT_(B)?Amazon Note Please feel free to contact us via Amazon message if you have any problem . The Raspberry Pi in the pictures are not included.