I am trying to modify a disposable camera flash unit to be powered by a DC power supply instead of a battery. I am trying to use a 12V power supply and regulate it to 1.5V.
The problem I am having is that the capacitor won't charge using this method. I have tried a simple voltage divider as...
I am trying to design an analog trigger using a photo-transistor. I started by placing the sensor in a Wheatstone bridge to get a zero volt baseline. This works great if the lighting conditions don't change. However, the lighting does change and the baseline moves.
I attempted to use op...
