Here are the guts of [Lukasz’s] infrared camera remote control ... a Nikon if you swap out some of the code from the TV-B-Gone shutter release we saw on Thursday.
[Toby] wanted to have a remote shutter trigger for his RICOH GR III camera. This brand doesn’t have a dedicated port for remote operation but a bit of research allowed him to build his own trigger.
It also integrates a built-in shutter control (Trigger Rec) with an included control cable, enabling users to start and stop recording without ever needing to touch the camera itself. For Canon ...