Raspberry Pi Projects with Source Code

Smart bike lock featuring vibration alarm, accelerometer crash detection alerting emergency contacts, and GPS tracking.

City center sensor station measuring outdoor AQI index and rendering public health advice on high-visibility LED matrix board.

Farmland perimeter security system deterring wild boars/elephants with pulsating safe voltage and acoustic animal repellent.

RC and autonomous paddle boat skimming floating plastic debris from water bodies with solar charging and bin full indicator.

Occupancy-based power saver switching off classroom ceiling fans and projector loads when no students are present.

Electrical distribution grid telemetry node monitoring transformer oil temperature, load balance, and voltage spikes.

Dual ultrasonic/float sensor controller automating overhead tank filling and preventing pump burnout during dry runs.

Motorized rotary pill compartment flashing LEDs and sounding buzzer at medicine time with caregiver mobile confirmation.

Traveler safety backpack with integrated proximity alarm, USB power delivery, and GPS location tracking.

MQ-6 gas sensor node detecting kitchen gas leaks, sounding piezo siren, sending GSM call, and turning stepper-driven regulator valve off.

Piezoelectric accelerometer monitoring motor bearing vibrations to detect early mechanical wear before catastrophic breakdown.

Ultrasonic river gauge monitoring rising water levels during monsoons and broadcasting warning alerts to downstream villages.