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Results tagged with capacitive
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user 3288
Based on the usage of capacitors, condensators. Alternatively, utilizing the derivative of signals.
5
votes
Accepted
Elegant non-mechanical way to switch on battery-powered device the first time
Methods:
Capacitive power transfer can operate entirely successfully through a plastic case. Achievable power levels well in excess of "wake up" signals are possible. (Don't ask me how I know). …
- 152k
7
votes
Accepted
Electric shock from laptop due to capacitive coupling?
If a person touches an exposed wire (the wire has a ground-prong) on the 20V side of a power cable while barefoot, I heard that it is possible to receive a shock of higher than 20V due to capacitive … The two capacitors form a capacitive divider and the centre point between them is at half mains supply.
If you touch the grounding lug in such cases then you, too, will be at half mains supply. …
- 152k
1
vote
Conducting plastic for capacitive touchscreens
The tip is presumably made of plastic to prevent damage to the touched surface.
Butyl rubbers are available which are loaded with carbon-black to make them conductive. A tip of such rubber with a con …
- 152k