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Power over Ethernet HAT (B) for Raspberry Pi 3B+/4B and 802.3af PoE network
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Raspberry Pi PoE Hats
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POE HAT FOR RASPBERRY PI Power Over Ethernet HAT For Raspberry Pi 3B+/4B, 802.3af-Compliant(Any Backward-Compatible Future Versions Will Be Supported As W...
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POE HAT FOR RASPBERRY PI
Power Over Ethernet HAT For Raspberry Pi 3B+/4B, 802.3af-Compliant
(Any Backward-Compatible Future Versions Will Be Supported As Well)
(Any Backward-Compatible Future Versions Will Be Supported As Well)
OLED for real-time monitoring temperature, IP, and fan status
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 At A Glance
- 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
Specifications
POE POWER INPUTOLED SIZEPOE POWER OUTPUTOLED PIXELSNETWORK STANDARDOLED DRIVERDIMENSIONSOLED DISPLAY COLOR
37V ~ 57V DC in | 0.91"
5V 2.5A DC out | 128×32
802.3af PoE | SSD1306
56.5 × 65mm | white
5V 2.5A DC out | 128×32
802.3af PoE | SSD1306
56.5 × 65mm | white
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
* proper 802.3af-compliant power sourcing equipment is required
0.91" OLED Display
128 × 32 Pixels, I2C-Bus Controlled
Monitoring Processor Temperature, IP Address, Fan Status In Real-Time
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
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)
And Extra Spare Pins On Solder Pads (P1-P7, INT)
Pinout Definition
Outline Dimensions
Resources & Services
WIKI: www.waveshare.com/wiki/PoE_HAT_(B)
* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.
Jargon buster
Plain-language definitions for the technical terms used above.
- GPIO
- General-purpose input/output pins are microcontroller pins you can set in software to read signals, switch devices on and off, or connect to peripherals. The number of GPIO pins matters because it limits how many buttons, LEDs, sensors, and other parts you can wire directly to the board.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- OLED
- OLED stands for organic light-emitting diode, a display type where each pixel produces its own light. It matters because OLED screens are thin, high-contrast and easy to read for small status displays, but they can be more sensitive to image burn-in than some other display types.
- PoE
- Power over Ethernet lets one Ethernet cable carry both network data and electrical power. This is useful when installing a device where running a separate power adaptor would be difficult.
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