The subject of setting off a flash in response to the light of another one is a problem that comes up from time to time in photographic situations. Here is a non-electronic description of how one might make "slave syncs" from scratch and whether they work or not hopefully have some fun in the process.
Department, Program, or Center
School of Photographic Arts and Sciences (CIAS)
Davidhazy, Andrew, "Simple light slave synchronizers" (2005). Accessed from
RIT – Main Campus