(This should have been asked in the "Features Request" section.)I don't know if they can do it via CHDK, but until then, there's always this $33.50 solution: Speedotron DS-1 Flash Activated Digital Slave Trigger with Hot Shoe Mount. You might find them cheaper elsewhere.
Started by Sei Feature Requests
Started by cantain Hotwire! Hardware Mods, Accessories and Insights
Started by srsa_4c « 1 2 3 4 5 » General Discussion and Assistance
Started by NaveedESahar General Help and Assistance on using CHDK stable releases
Started by jairbj Completed and Working Scripts