Success Stories

Success Stories

KPAK GoPro Flash Accessory

KPAK GoPro Flash Accessory

K-Pak is BLE enabled device which can be used to add LED  flash to Go Pro cameras and can be controlled using an iOS  App and a remote control device.

Results / Outcomes

  • Development of complete device firmware  
  • Integration of Mechanical and electronics
  • Native Android and iOS application to control the GoPro flash
  • Device to be launched in USA

System Description

Challenge
  • Integrated solenoid and mechanical means, depresses the shutter release button on the GoPro camera  
  • Timing between flash and trigger to solenoid
Feasibility Study and Documentation
  • Requirements Gathering & Analysis, competitive product study,
  • H/W Architecture development and finalization
  • Component selection of all components and BOM management.
Hardware Design (Schematics)
  • OrCAD for schematics and allegro16.6 for layout
 Embedded Firmware
  • Nordic nrf51 BLE Stack and SDK , Keil IDE. The device has the following hardware peripherals
    • TI's DUAL LED Flash driver - LM3643.
    • ADEX 1919203 Solenoid
    • Linear Technology’s LTC2942 - Fuel Gauge

Mobile App Design and Development

Followed the recommended design patterns from Apple.  Custom Video moodes, Photo modes and Strobe Options.

KPAK – HW Architecture

KPAK – HW Architecture

 


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