DIY long-distance camera trigger


This Flickr user, Marco Jetti has a proposal to transform into a long-distance radio-controlled trigger a kit of two talkie-walkies.

A little DIY elbow grease and here it is:

long-distance-trigger trigger-schematics

2 comments for “DIY long-distance camera trigger

  1. Rafael
    July 11, 2011 at 9:47 pm

    what diodes does he use and what chip is the one on the box ?

  2. July 12, 2011 at 7:24 am

    Use 1N4148 diodes (same as LL4148 or the SMT TS4148). They are perfect for the application and sustain 75V which is more than enough for the application.

    As for the “chip”, why not look at the schematics? It’s clearly the RL1 relay.

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