Waveshare Power Over Ethernet Hat for Raspberry Pi 3B+/4B, 802.3af-Compliant with OLED for Real-Time Monitoring Temperature, IP,

Waveshare Power Over Ethernet Hat for Raspberry Pi 3B+/4B, 802.3af-Compliant with OLED for Real-Time Monitoring Temperature, IP, and Fan Status

POE HAT FOR RASPBERRY PI: Power Over Ethernet HAT For Raspberry Pi 3B+/4B, 802.3af-Compliant;OLED for real-time monitoring temperature, IP, and fan status

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; 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)

Cooling fan: allows auto running on powerup or programmable control, configurouge by switch automatically turn on/off depending on the raspberry pi processor temperature