proximity-detection

Proximity Detection using BLE with ESP32.

A lightweight Raspberry Pi + RTL-SDR signal presence detector for TETRA-like RF activity. (emergency vehicles detector)

Real-time ISS proximity notifier and live web dashboard. Configurable for any city worldwide.

Automatically locks or unlocks the screen based on proximity to trusted devices devices and inactivity. Similar to Android's Smart Lock feature.

An automated security surveillance system for your PC, it protects your device from intruders when you have left it unattended.

Control Philips Hue lights based on proximity of a BLE transmitter to a BT receiver.

Locks your Linux screen when your phone walks away. Bluetooth L2CAP presence detection with an Omarchy 4 / Quickshell bar widget.

Dual-purpose IoT museum system: proximity-based security alerting combined with visitor information delivery. Complete proof-of-concept including hardware sensor, embedded firmware, backend infrastructure, and desktop client.

This is a computer vision project that uses YOLOv9-e model and checks if workers wear their Personal Protective Equipment (PPE) and if they keep a safe distance from work machines.

A high-security local (hotspot based) attendance system that completely eliminates proxy attendance by combining custom duration expiring QR codes with Wi-Fi network proximity restrictions and hardware device (MAC address) locking.

Detecting 40kHz magnetic fields using an RL810 coil with 1.1V ADC reference, signal inversion, and digital filtering on Arduino.

IoT-based smart attendance system using Raspberry Pi, BLE, and proximity validation to automate attendance marking.

Bilateral Awareness System - PIC18F4580 test bench firmware for dual HC-SR04 ultrasonic proximity detection on electric bicycles.

📡 BLE proximity detection system that sends Telegram notifications when a Bluetooth device enters or leaves range. Perfect for Raspberry Pi home automation.

k-Nearest Neighbors Algorithm - Python Version

Determines whether the mouse pointer is inside or out of circle.

Flutter app with native Android (Kotlin) BLE integration via Platform Channels — real-time RSSI-based proximity tracking and out-of-range alerts for nearby Bluetooth devices.

A React Native app for scanning and advertising BLE beacons, combining proximity detection with geolocation and local storage for tracking nearby devices

Kotlin Android app that uses Bluetooth Low Energy beacons to detect when devices come within 2 metres, logging proximity interactions to Firebase to support COVID-19 social distancing.

made tracking bluetooth devices using bleak on arch linux