Features Standard Raspberry Pi 40PIN GPIO header, supports Raspberry Pi 3B+/4B PoE (Power Over Ethernet) capability, 802.3 af-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
Specifications
PoE power input: 37V ~ 57V DC in
OLED size: 0.91"
PoE power output: 5V 2.5A DC out
OLED pixels: 128x32
Network standard: 802.3 af
PoE OLED driver: 1306
OLED display color: white
Dimensions: 56.5 x 65mm
User Manual/Document: n9. cl/xg7ad Package Content PoE HAT (B) x1 Standoffs pack x1