[SOLVED] 5V PoE generates annoying sound (youtube)
arduino.cc
[SOLVED] 5V PoE generates annoying sound (youtube)
Hello, I just soldered a brand new PoE module onto my Yun. (bought on arduino.cc). When i connect my Yun onto my PoE switch a strange sound is generated from the PoE module. The Yun is getting power over the ethernet cable. But that noise can't be normal? I've made a short video that captured the sound: It's annoying... Why is it doing that? An ...
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