One of the most commonly asked Arduino-related questions is how to write one’s programs in such a way that they can accommodate an overflow/wraparound condition in the millis() function. One of the ...

Well, by looking at the source code of Arduino ESP8266 Library source code and the official documentation of ESP 8266, I found out a workable solution to use the light sleep mode (mentioned above). As ...

It’s possible to write one’s programs in such a way that they can accommodate an overflow/wraparound condition in the millis() function, but how does this actually work? It’s possible to write one’s ...

#define SONAR_NUM 3 // Number of sensors. #define MAX_DISTANCE 200 // Maximum distance (in cm) to ping. NewPing sonar[SONAR_NUM] = { // Sensor object array. NewPing(4, 5, MAX_DISTANCE), // Each sensor ...