Description
What it is
The ARD001291 PoE Power Supply converts network power (100V ~ 240V AC) to a 1A 12V DC output, powering electronic devices through the Ethernet cable.
Features
- Input: 100-240V AC
- Output: 1A at 12V DC
What it is for
Ideally used to power devices such as sensors, routers, or small computers without the need for separate power cables. It is suitable for Arduino projects and electronic systems that require a remote and secure power source.
Tutorial: How to Use 12V PoE Power Supply
The PoE power supply is a fundamental device for projects that require remote and secure power. Ideal for anyone looking to power devices such as sensors, routers, or small computers without the need for separate power cables.
What you need
- Ethernet cable
- device to be powered
- PoE connector
Steps
- Check that the device to be powered requires a 12V DC voltage and a maximum output of 1A.
- Connect the Ethernet cable to the device for power and to the PoE power supply.
- Connect the PoE power supply to the power source (100V ~ 240V AC).
- Check that the device is correctly powered by checking the output voltage of the power supply.
Mini project
Create a remote monitoring system with an IP camera and this PoE power supply. Connect the power supply to the Ethernet cable that connects the camera to the network.
Common mistakes
- Using a device that requires more current than 1A
- Connecting the device incorrectly, causing damage or short circuits.
- Not checking the device’s power after connecting it.
Recommended accessories
- Ethernet cable cat5/cat6
- IP camera
- PoE sensors
Frequently asked questions
My device is not turning on, what should I do?
Check that it is properly connected and that the output voltage is as expected (12V DC).
Can I use any Ethernet cable for PoE power supply?
Yes, but make sure the cable supports PoE and is properly connected.
What is the difference between a PoE power supply and a standard AC/DC adapter?
A PoE power supply can provide power through existing Ethernet cables, while a standard AC/DC adapter requires a separate cable for power supply.









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