Power Over Ethernet.
3
votes
2answers
103 views
Doubts related to the Arduino Ethernet with PoE
I implemeted a system by using the Arduino Uno and the Ethernet Shield without PoE. Now, I am thinking to use the Ethernet with PoE but I have following doubts, even if I read the Official ...
4
votes
3answers
389 views
Ground loop problem with Power over Ethernet
I am trying to build a weather station, powered using Power over Ethernet.
Originally I planned to use a Nanode as the microcontroller, but since the Raspberry Pi is so cheap, I decided it was much ...
0
votes
1answer
267 views
L7805CV 5V Voltage Regulator to IP camera over POE
Hey all i am having a problem with getting my IP cameras to work over my home-made POE cable.
The parts i made in order to have POE are the following:
L7805CV 5V Voltage Regulator (for input to the ...
2
votes
1answer
168 views
Why ground is positive on this part?
I'm using a powered device controller (PD is what they call a device that receives power over Ethernet), and its pins and way of connecting things is really weird. This part, LTC4265, takes in power ...
4
votes
1answer
568 views
DIY POE 8 port switch
Hey all i am trying to modify a Netgear GS108 8-Port gigabit switch with POE on 4 of the ports. Problem is that when i go to test to find out what pins 4/5 and 7/8 are in order to place the positive ...
0
votes
1answer
83 views
Switch port maximum output power [closed]
I have a switch who have not the power over ethernet capability.
I want to power very small devices with the power available on the utp cable.
Do you know the max value (HP 24 ports switch) ?
...
2
votes
1answer
438 views
Which type of Ethernet magnetics should I choose for PoE?
I'm trying to find a suitable PoE MagJack for use with my Phy, KSZ8051MNL. The problem is that I can't find one with the same suggested magnetics topology. The closest one I can find has one extra ...
2
votes
1answer
317 views
POE Battery Survey Toolkit
I want to try my hand at producing a POE battery power supply for use with an access point [AP] for site surveying purposes.
My solution is an 11.1v LiPo 3s pack and charger fro a remote control car ...
2
votes
2answers
382 views
Powering EL Wire from a PoE power source
I'm checking out some EL wire through the simplest means I've found: using the EL Escudo shield. I have connected it to an EtherTen microcontroller, and following the instructions in the EL Escudo ...
4
votes
3answers
575 views
Safe Powering Methods - Working with Children
I'm carrying out a research project this year at uni, which will include creating small electronic sensory devices for children (under 7) with autism. Obviously, safety has to be taken very seriously.
...
4
votes
4answers
1k views
Easiest and Best PoE Ethernet Chip/Micro/Design for DIY Interface with Custom Arduino Board (AVR Solution)
I am looking for a PoE Ethernet chip that I can incorporate in a design I plan on using along with some of the Arduino features. I would prefer to implement a standalone mcu for the Ethernet device ...
