LiquidCrystal_I2C lcd(0x27,16,2); // set the LCD address to 0x3F for a 16 chars and 2 line display r0=20; //we're using a 10 Kohms resistor, you might need to change this resistor to fit your ...

FSRs are basically a resistor that changes its resistive value (in ohms Ω) depending on how much it is pressed. These sensors are fairly low cost, and easy to use. They also vary some from sensor to ...