Attention Makers

CATEGORY: EDUCATION

Resistive touch screen as a bluetooth PC mouse

MAKERS: VINOD S

Why can\'t we use the mobile phone spare parts for some other purposes as well? This project is to show how to use a cheap $1 resistive touch pad as a bluetooth mouse which emulates mouse pointer movement, single tap, double tap and mouse wheels all in one touch pad. It uses minimum components to achieve it. Attiny13 mcu is used to read the touchpad via multiplexed ADC. A bitbanged UART is used to transmit the emulated mouse data packets to the PC which runs a python script which reads the serial port and accordingly emulates the mouse movement via some linux commands.

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