Poe Hat Fan Loud
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Poe hat fan loud. If youre looking for PoE on other versions of the Pi you might like to look at Pi Supplys PoE Switch Hat. Raspberry Pi PoE HAT product brief. In terms of testing we powered it up and used it without a USB connection plugged in.
The Raspberry Pi PoE HAT is used to power the Raspberry Pi 3B 4B via an Ethernet cable. According to the guide on the rasperry pi website the cpu fan should run automatically when temperature is above 50 degrees my raspberry pi is well above that and the fan is still not working. Fully isolated switched-mode power supply.
I bought this PoE hat to use with a Raspberry Pi 4 figuring it would be the best because it made by the Raspberry Pi Foundation and is the official PoE hat. This file is great and Im using it but I did notice that my fan was always either off or very loud. The new Raspberry Pi PoE power over ethernet has a serious problem.
Otherwise your fan will waffle between states 0 and 4 to stay below the lowest temperature and likely never enter states 1 2 or 3. The fan speed will increase at 60C then again at 63C and finally it will run at full speed at 66C. Not worth returning so I chucked mine into my odds n sods draw.
I assumed it would be the best on the market but I was wrong-The fan is really loud and clicks onoff every minute which is very annoying. 0 C to 50 C. The PoE works as expected but the fan whines very loudly too loudly to put up with and as someone else mentioned the hat emits a terrible high-pitched screeching whining noise.
Hi all Ive added to my raspberry pi 3b the new official PoE Hat. The Raspberry Pi PoE HAT is an add-on board for the Raspberry Pi 3 Model B and later boards. Testing the PoE HAT cooling fan.