Ultrazvuk - streda 2526: Revision history

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26 November 2025

  • curprev 14:2214:22, 26 November 2025 Palo talk contribs 857 bytes +857 Created page with "<syntaxhighlight lang="C++"> #define TRIG 3 #define ECHO 4 void setup() { Serial.begin(9600); pinMode(TRIG, OUTPUT); pinMode(ECHO, INPUT); } int meraj() { // 1. vysli 10 usec pulz na pin TRIG digitalWrite(TRIG, 1); delayMicroseconds(10); digitalWrite(TRIG, 0); // 2. cakaj kym sa na ECHO neobjavi hodnota 1 (kym je tam 0, cakaj) while (digitalRead(ECHO) == 0) {} // 3. zisti aky je prave cas (funkcia micros()) a zapamataj si ho unsigned long cas1..."
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