This time we have the chance to try some thing that we interested.
Trail 1. Blinking LED
I search on the internet and find a circuit, which can make the LED blinking one by one. so this time I try to follow the instruction of the online tutorial to build this circuit model.
first of all I build the circuit like this :
Then I write the code with the instruction, it works really good!
Trail 2. light sensor
After finish the first trail, I want to add some sensor, so I choose the light sensor this time, and build a circuit like this:
Then I write the code like:
However this time there are no change of the light sensor, then I open the console and found that the light level is too big, and I change the level value, now it works well!