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Showing posts with the label capacitive

Problems using a capacitive touchscreen whilst charging

Yesterday whilst travelling by train, I decided to charge my phone at one of the power sockets provided in the railway coach. As the journey was long, the phone battery wouldn't have survived all throughout the travel, moreover because the railway route was full of patchy mobile signal. During the time when it was connected to the power supply, I noticed that I was just not able to use the touch screen. I tried hard to swipe my finger to unlock the phone, all in vain. So, when I gave up trying to operate it, I observed things moving on their own on the screen, I could see the camera starting automatically. Out if curiosity, I just unplugged the charger cable and everything was back to normal. Capacitive touch screens use a layer of capacitive material to hold an electrical charge; touching the screen with your finger changes the amount of charge at that specific point of contact. But, capacitive touch screens won't work if you are wearing gloves or if you try to operate it usin...