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PoE to USB PowerPoint

4 years ago 2357
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PoE (Power over Ethernet) to USB 5V adapter. Current use cases:

  • Power micro controllers (Arduino's or Pbpi's) PoE Switch --> PoE to USB --power--> Rbpi Switch ------------Data----------------> Rbpi (There is still a second Ethernet cable needed for data over cable.)
  • Charge your Phone or other USB devices
  • Trying to support 802.3af

Future plans:

  • Add a way to redirect Ethernet data to powered devices (putting this block between a PoE switch and Rbpi, while also powering the Rbpi) PoE Switch --> PoE to USB --power--> Rbpi .................... PoE to USB --data--> Rbpi
  • Trying to support 802.3at

This is a follow-up on my first Proof of Concept experiment in an attempt to learn myself how to make PCB's and all related knowledge needed. Remember that I have no idea what I'm doing what however, but I try my best ;). My goal for this project is :

  • Experience!!!
  • Having a very flexible module for different use cases.
  • Power loads of Arduino(-ish) sensors in my home.


PoE PEM1300/1200 USB schematic

PoE to USB v0.4

PoE to USB v0.5

PoE to USB v0.6

PoE to USB v0.61-cnc


ID Name Designator Footprint Quantity
1 PEM1300 U1 PEM1300 PoE module 1
2 SS-60000-009 J1 SS-60000-009 RJ45 1
3 2 x USBA U3 USBBU2A 1
5 470uF low esr C1 CAP-D10.0XH10.5 1
6 pwr led LED1 LED-0603 1
7 75K R7,R8 1206 2
8 300K R12 1206 1
9 49.9K R14 1206 1
10 49,9K R13 1206 1
11 24.9K R18 1206 1
12 SI-52003-F J3 SI-52003-F PoE RJ45 1
13 1x2 Header J2,J4,J5 HDR1X2 3
14 1Ω(bridge) R4 1206 1
15 NO R5 1206 1
16 24.9KΩ R19 1206 1
17 470 R6,R2 1206 2
18 10k R1 1206 1
19 100R(0,5W) or 150R(0,25W) R3 AXIAL-0.3 1


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