Programming electrical circuits
(+) Positive to (-) Assemble the flow of electricity to negativity and wear scientific thinking ability.
Programming the electrical circuit to ensure the LED light is on.
Set the default placement on the problem card and youre ready to go.In order to light up the LED light (red, green, yellow) shown on the card as the current flows from (+) positive to (-) negative and negative to think about the circuit.Of course, it is safe to touch.
If you can complete all 60 questions with 4 levels of difficulty, the 61 question is the problem that you think about new problems!