Leo smiled. Then he opened a new sketch. Project #4: A button that, when pressed, sent a text to his mother: "Not fine. But fixing."
Leo stared at the servo. It clicked once, then returned to zero. arduino project handbook pdf
Project #2: Temperature Sensor. He plugged in the TMP36, opened the serial monitor. The room was a comfortable 22°C. The PDF said: "Good. Now hold the sensor between your fingers. Tell the truth." Leo smiled
Leo’s stomach tightened. He lived on the fourth floor. The window was locked. He looked anyway. Just rain. arduino project handbook pdf