This is how cheap Airlines earphones look like dismantled. You can see the membrane and the coil of the earphone. This is the magnet of the earphone
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This is a really good noise cancelling earphone from Audio Technica. The ATH-ANC32is just does not have the microphone.
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This is a grow light for plants that live inside. It should provide just the right light the plant needs to grow effectively. It is not very safe as the LEDs are in serie (60 of them) and the voltage…
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This is a small USB converter. it converts from micro USB to USB C
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this IPOD with 406’000 hrs on the stopwatch…..this is 16900 days or about 46 years (1970) since this ipod stopwatch has started….but the ipod was released less than 20 years ago. from Excel Made Easy
This is a circuit that controls the loading, unloading and temperature of a computer battery back. after removing the batteries
