My electric water flosser disrupts my Bluetooth speaker. There should be no signals coming out of it yet it causes the speaker to static like crazy. How come?
In: Physics
Bluetooth operates at Gigahertz. An electric motor will not create frequencies anywhere near Gigahertz.
Noise is an electric current with both an incoming and a completely different outgoing path through some part of that bluetooth speaker system. One starts by not trying to fix anything. Start by determining what that incoming and another outgoing path is.
For example, operating a bluetooth device from a UPS, that is not connected to AC mains, can identify that as either an incoming or outgoing path. Since power does not come from wall wires, then a noise path is temporarily eliminated (because powered from a UPS that has no AC power connection).
Another useful tool is an AM radio when tuned to a distant (noisy) station. Does that radio detect noise from the flosser? If that AM radio detects noise, then some business school graduate removed necessary circuits inside that flosser to increase his bonus. No appliance should make any electrical noise detected by that AM radio.
Plenty more paths may explain that noise. But again, do not even consider any recommendation that wants to fix it. The informed always define a problem long before even trying to fix anything. Described are some powerful diagnostic tools.
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