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TP module

GFF fine pen tip is set up

GFF fine pen tip is set up

The passive pen is a high precision, low cost and excellent user experience handwriting scheme based on the hardware of the existing capacitive touch screen system, instead of human fingers.
Principle
When the passive pen touches the Sensor, the pen heads a small current from the point of contact, because the electric field of the pen and the surface of the touch screen form a coupling capacitance. The location information of the touch point is calculated accurately by the transfer of the current.
Application
Electronic devices such as mobile phones, computers, etc. Note recording, painting creation, document standard, painting and so on.