A man would like a light to come on automatically when it is cold and dark. What sensors (inputs) should he use for this?
Thermistor and switch
Light sensor and switch
Thermistor and light sensor
Light sensor and capacitor
Continuing from the last question, what would you need to add to the LIGHT sensor to complete the circuit?
Add an OR gate.
Add a NOT gate.
Add a switch.
Add another light sensor.
