Difference between revisions of "PoE HAT (C)"

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You need to connect the PoE HAT to Raspberry Pi as picture<br />
 
You need to connect the PoE HAT to Raspberry Pi as picture<br />
 
[[File:PoE-HAT-B-details-5.jpg|600px]]
 
[[File:PoE-HAT-B-details-5.jpg|600px]]
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===Enable I2C Interface===
 
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I2C interface is required for the OLED display, you need to first enable the i2c interface for properly work.<br />
 
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Open a terminal of Raspberry Pi and configure:<br />
 
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sudo raspi-config
 
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Choose Interfacing Options -> I2C -> Yes
 
  
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===Libraries installation===
 
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{{Libraries Installation for RPi}}
 
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===Download example===
 
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Open a terminal and download with commands below. <br />
 
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<pre>
 
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cd
 
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sudo apt-get install p7zip-full
 
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wget https://www.waveshare.com/w/upload/b/b7/PoE_HAT_B_code.7z
 
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7z x PoE_HAT_B_code.7z -r -o./PoE_HAT_B_code
 
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</pre>
 
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===Run the example===
 
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Open a terminal and run the example
 
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;C
 
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<pre>
 
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cd ~/PoE_HAT_B_code/c/
 
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make clean
 
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make
 
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sudo ./main
 
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</pre>
 
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;python
 
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<pre>
 
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cd ~/PoE_HAT_B_code/python/examples
 
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sudo python main.py
 
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</pre>
 
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===Auto-run===
 
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Modify rc.local file
 
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<pre>
 
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sudo nano /etc/rc.local
 
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</pre>
 
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* Add the following line in front of the line exit 0
 
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<pre>
 
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fi
 
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sudo /home/pi/PoE_HAT_B_code/c/main &
 
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#exit 0
 
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</pre>
 
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or
 
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<pre>
 
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fi
 
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sudo python3 /home/pi/PoE_HAT_B_code/python/examples/main.py &
 
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#exit 0
 
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</pre>
 
  
 
==Resources==
 
==Resources==

Revision as of 02:45, 20 April 2021

PoE HAT (C)
PoE HAT (B)

Power Over Ethernet HAT (Type B) For Raspberry Pi 3B+/4B, 802.3af Power-Sourcing Equipment Required
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Instroduction

This Power Over Ethernet HAT (Type B) is designed for Raspberry Pi 3B+/4B, it supports 802.3af Power-Sourcing equipment for PoE function.

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 the switch
  • Integrates PCF8574 IO expander for I2C bus, providing pin P0 for directly fan control, and more spare IO pin

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

Examples

Hardware connection

You need to connect the PoE HAT to Raspberry Pi as picture
PoE-HAT-B-details-5.jpg


Resources

Documents

Support

Support

If you require technical support, please go to the Support page and open a ticket.

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