Archive · 2004-2007 · K-Mojo

I keep this site as a record of a project I am proud of. In my early twenties, while I was skydiving myself and long before AI tools, I reverse engineered Sony's LANC protocol to build K-Mojo, a remote control for helmet cameras, as a side income. There were similar products on the market, so I set mine apart with extra features like a preset zoom position and low battery and tape warnings. It was used in skydiving, snowboarding and other sports. I wrote the firmware in assembler for an 8-pin PIC microcontroller and handled every step of the product on my own: building and soldering each unit, debugging, casing, packaging, the manual, the website, marketing and shipping. I sold about 60 units to customers around the world, and in 2007 I released the firmware and parts list as open source.

The site is preserved as it was, Flash included. ← arielbarreiro.com.ar

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K-Mojo Remote Sony Lanc Controller

This device is specially designed to be used with helmet mounted cameras. You can control your camera easier than from the back or side of your camera. It even lets you have have your camera protected from snow or rain while still controlling it from outside the box. It has been used, among other sports, in Parachuting/Skydiving, Power Parachutes, Snowboard, Ski and Aerobatics. kmojo k-mojo product photo
  • Easy to use.
  • Easy to install.
  • Stand By/Record indication Light.
  • Low Batt and Low cassette indication Light (While in Stand By or Recording).
  • Turn ON & OFF the camera without touching it.
  • ZOOM Feature. Lets you configure a fixed ZOOM position to go forth and back from that configured position.

Works in most of Sony (r) camcorders with LANC Connector


See how it works before you actually get one

Download the pdf manual