Kerolos Emad

iOS DeveloperFreelance / Project

• Job Details:Developed an iOS app using CoreBluetooth, SwiftUI, and MVVM to communicate with an STM32 microcontroller via Bluetooth Low Energy (BLE). The app enables real-time motor control (DC motors via PWM) and sensor data visualization (temperature, distance, motion). Designed custom GATT services and characteristics for bi-directional data exchange. Implemented background scanning, secure connection, and RSSI-based proximity filtering. Achieved smooth motor commands and live updates with low latency and reliable reconnection handling.