02 // EMBEDDED · IOT
Smart Waste Bin
An embedded IoT system leveraging ultrasonic telemetry and inductive sensing for automated waste sorting with real-time physical actuator control.
TELEMETRY AT A GLANCE
- Arduino / Embedded C firmware logic
- Multi-sensor fusion (Ultrasonic + Inductive Proximity)
- High-torque servo actuator gating mechanism
System Overview
This project was engineered to automate waste segregation at the source. By replacing manual sorting errors with embedded sensor detection, the system classifies metallic versus non-metallic refuse and automatically triggers directional disposal flaps.
Technical Architecture
Proximity Sensor Trigger
Inductive Conductivity Check
Microcontroller Decision Branch
Servo Flap Actuation
Technologies & Toolkit
- Embedded C & Arduino Toolchain
- Ultrasonic HC-SR04 & Inductive Proximity Sensors
- PWM Servo Actuators
- Hardware Power Management Circuitry
Engineering Challenges Overcome
- Eliminating sensor signal jitter and false positives caused by rapid item drops.
- Calibrating servo mechanical limits to ensure zero mechanical jamming under continuous load.
- Optimizing microcontroller loop execution times to respond within 200ms of item detection.