OTA Firmware Update

Over-The-Air IoT Update System

Revolutionary IoT solution enabling wireless firmware updates for distributed embedded devices through Bluetooth-enabled Android devices. Features custom bootloader implementation and seamless binary deployment system.

Bluetooth Wireless
PIC32 & PIC18
Android App
Firmware Update
Updating firmware...
Transferring via Bluetooth
Connected 85%
Wireless
Bootloader
Secure
Android

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2016
Development Year
2
Microcontrollers
115200
UART Baud Rate
100%
Wireless

Use Cases & Applications

Versatile OTA update system designed for modern IoT deployments

Centralized Updates

Update firmware of distributed embedded devices from a centralized server at one shot

Bluetooth Headphones Smart Speakers Home Automation Smart TVs

Programmer-Free Updates

Program PIC microcontrollers without using traditional Microchip programmer/debugger hardware

Field Updates Remote Programming Cost Effective

System Architecture

Professional-grade hardware and software components working in harmony

Android Device

Host application with user-friendly GUI for firmware management and deployment

Bluetooth Link

Wireless communication channel for secure binary transfer at 115200 baud

PIC Bootloader

Custom bootloader handling binary reception, flash programming, and execution

Hardware Components

Professional microcontroller platforms with advanced capabilities

PIC18F4431 Microcontroller

Primary target microcontroller with advanced bootloader implementation and UART communication.

8-bit Architecture 40MHz Flash Memory UART Support

PIC32MX795F512H

High-performance 32-bit microcontroller demonstrating scalable OTA update capabilities.

32-bit MIPS 512KB Flash 128KB RAM 80MHz

Bluetooth Interface

Wireless communication module enabling seamless Android device connectivity and data transfer.

115200 Baud UART Protocol Wireless Range

Android Platform

Mobile platform hosting the update management application with intuitive user interface.

Java Application File Management Bluetooth API

Live Demonstration

Watch the complete OTA firmware update process in action

Update Process Features

  • Wireless Firmware Transfer
  • Custom Bootloader Operation
  • Android App Control
  • Binary Conversion
  • Flash Memory Management
  • Automatic Execution