https://makezine.com/projects/control-a-servo-with-a-force-sensitive-resistor/
Control a Servo with a Force-Sensitive Resistor - Make:
Apr 3, 2015 - This project is a simple introduction to Force-Sensitive Resistors. Once complete, the servo's position will depend on the force reading from the sensor.
force sensitive resistorcontrolservomake
https://www.ram-e-shop.com/ar/shop/fsr402-round-fsr-402-round-force-sensitive-resistor-0-5-fsr-weight-sensor-6843
FSR-402 Round Force Sensitive Resistor 0.5" - FSR Weight Sensor | RAM Electronics
Round Force Sensing Resistor
force sensitive resistorfsrroundweightsensor