I recently purchased a new shed with a polycarb roof. At night, when I enter the shed, I'd like a light that comes on (but not during the day!).
I'm trying to find a way for the light to switch on, when 2 conditions are satisfied.
- it is dark outside
- the shed door is open
I have resistors, 2N3904 NPN transistors, potentiometers and A3144 hall-effect sensors.
I've already constructed a darkness sensor (see picture). I now want to integrate a hall-effect sensor to keep the light off, when the shed door is closed. I have no Arduino or digital controllers. I would like to stick to the components I have, if possible.