Hello, I want to trigger a photo flash (speedlight) on an event. Triggering the flash is simple in real life: just connect + and ground - FLASH! No external power involved. I've measured and there's a continuous current of 2 mA and a voltage of 3.2V when the flash is idle and waiting between + and …

Troubles when using my first transistor

system August 15, 2011, 10:52pm 2

EDIT: the 1K transistor is no silver bullet. After a few flashes the LCD starts to become garbled as well... If I don't trigger the flash it can run forever

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Troubles when using my first transistor

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