// Convert time to distance in centimeters (speed of sound ≈ 0.034 cm/us, half for to-and-fro) ...

#include "secrets.h" // Wifi & Database credentials. const char* ssid = WIFI_SSID; // Use data from secrets.h const char* password = WIFI_PASSWORD; // Use data from secrets.h ...

Five new Elektor courses help beginners take their first steps in microcontroller programming with Arduino, ESP32, and Raspberry Pi Pico. Each course combines hands-on projects, hardware kits, and ...