You can use the DHT22 (or AM2302) humidity/temperature sensor and the Arduino UNO board to read data and print it out to the serial monitor or to display it on an LCD ...
You can read the state of a button using Arduino and a few lines of code. The actual state is shown in the Serial Monitor window as 0 or 1, 0 meaning the button is not pressed and 1 that the button is ...
In Lesson 3 you learned about for loops, and how for loops can make your life as a programmer much simpler. You wrote a program that would blink a red LED and then a yellow LED the number of times ...
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