Sensor-driven hardware studies
A sequence of Arduino studies covering LED timing, PWM fading, photoresistor input, capacitive touch, servo control, MOSFET load switching, joystick-to-web control, and a final cat-proof charging station.

Context
I explored how physical inputs can shape digital or environmental feedback, starting with simple LED timing and building toward sensed interaction systems.
Process
Each circuit paired a schematic, breadboard implementation, firmware, and operation test. The final study combined a PIR motion sensor, capacitive touch, LED strip, and buzzer into one safety-oriented prototype.
Outcome
The work strengthened my technical fluency with sensors, PWM control, calibration, serial communication, and translating interaction intent into hardware behavior.
