\u0647\u0645\u0627\u0646\u06af\u0648\u0646\u0647 \u0643\u0647 \u0627\u0632 \u0634\u0643\u0644 \u0645\u0634\u0627\u0647\u062f\u0647 \u0645\u064a\u200c\u0634\u0648\u062f \u0647\u0631 \u062f\u0648 \u067e\u064a\u0646 Trig \u0648 Echo \u0628\u0647 \u067e\u064a\u0646 \u0634\u0645\u0627\u0631\u0647 9 \u0622\u0631\u062f\u0648\u064a\u0646\u0648 \u0645\u062a\u0635\u0644 \u0634\u062f\u0647 \u0627\u0633\u062a. \u062a\u0646\u0647\u0627 \u0645\u0648\u0631\u062f\u064a \u0643\u0647 \u062f\u0631 \u0643\u062f \u0628\u0627\u064a\u062f \u0627\u0635\u0644\u0627\u062d \u0634\u0648\u062f \u0627\u064a\u0646 \u0627\u0633\u062a \u0643\u0647 \u067e\u064a\u0646 \u0634\u0645\u0627\u0631\u0647 9 \u0628\u0631\u0627\u064a \u0647\u0631 \u062f\u0648 \u067e\u064a\u0646 Trig \u0648 Echo \u0633\u0646\u0633\u0648\u0631 \u062a\u0639\u0631\u064a\u0641 \u0634\u0648\u062f. \u0628\u0627\u0642\u06cc \u0643\u062f \u0647\u064a\u0686 \u062a\u0641\u0627\u0648\u062a\u064a \u0646\u062e\u0648\u0627\u0647\u062f \u062f\u0627\u0634\u062a.<\/p>\n\n\n
\n#define TRIGGER_PIN 9 \/\/ Trigger and Echo both on pin 9\n#define ECHO_PIN 9\n<\/pre><\/div>\n\n\n\u0628\u0631\u0627\u06cc \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc <\/strong>HC-SR04 \u0686\u0647 \u0645\u062d\u062f\u0648\u062f\u064a\u062a\u200c\u0647\u0627<\/strong>\u06cc\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u061f<\/strong><\/h2>\n\n\n\n\u0628\u0627 \u062f\u0631 \u0646\u0638\u0631 \u062f\u0627\u0634\u062a\u0646 \u062f\u0642\u062a \u0648 \u0639\u0645\u0644\u0643\u0631\u062f \u0643\u0644\u064a \u0645\u064a\u200c\u062a\u0648\u0627\u0646 \u06af\u0641\u062a \u0643\u0647 HC-SR04 \u0628\u062e\u0635\u0648\u0635 \u062f\u0631 \u0645\u0642\u0627\u064a\u0633\u0647 \u0628\u0627 \u0633\u0627\u064a\u0631 \u0633\u0646\u0633\u0648\u0631\u0647\u0627\u064a \u0641\u0627\u0635\u0644\u0647\u200c\u0633\u0646\u062c \u0627\u0631\u0632\u0627\u0646\u200c\u0642\u06cc\u0645\u062a\u060c \u0643\u0627\u0631\u0627\u064a\u064a \u0628\u0633\u064a\u0627\u0631 \u062e\u0648\u0628\u064a \u062f\u0627\u0631\u062f. \u0627\u0644\u0628\u062a\u0647 \u0628\u0647 \u0627\u064a\u0646 \u0645\u0641\u0647\u0648\u0645 \u0646\u064a\u0633\u062a \u0643\u0647 \u0627\u064a\u0646 \u0633\u0646\u0633\u0648\u0631 \u0642\u0627\u062f\u0631 \u0628\u0647 \u0641\u0627\u0635\u0644\u0647 \u0633\u0646\u062c\u064a \u0647\u0631 \u0686\u06cc\u0632\u06cc \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f. \u062f\u0631 \u0627\u062f\u0627\u0645\u0647 \u0628\u0631\u062e\u064a \u0627\u0632 \u0645\u0648\u0627\u0631\u062f\u06cc \u0643\u0647 \u0633\u0646\u0633\u0648\u0631 \u0642\u0627\u062f\u0631 \u0628\u0647 \u0641\u0627\u0635\u0644\u0647 \u0633\u0646\u062c\u064a \u062f\u0631 \u0622\u0646 \u0645\u0648\u0642\u0639\u064a\u062a\u200c \u0646\u06cc\u0633\u062a \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u06cc\u0645.<\/p>\n\n\n\n
- \u0647\u0646\u06af\u0627\u0645\u06cc\u06a9\u0647 \u0641\u0627\u0635\u0644\u0647 \u0628\u064a\u0646 \u0633\u0646\u0633\u0648\u0631 \u0648 \u0645\u0627\u0646\u0639 \u0628\u064a\u0634\u062a\u0631 \u0627\u0632 13 \u0641\u0648\u062a (\u062d\u062f\u0648\u062f 4 \u0645\u062a\u0631) \u0628\u0627\u0634\u062f<\/li><\/ul>\n\n\n\n
![\"\u0647\u0646\u06af\u0627\u0645\u06cc\u06a9\u0647](\"https:\/\/roboeq.ir\/blog\/wp-content\/uploads\/2021\/04\/HC-SR04-Limitation-cannot-measure-distance-more-than-13-feet.png\")
<\/figure><\/div>\n\n\n\n- \u0633\u0637\u062d \u0645\u0627\u0646\u0639 \u067e\u064a\u0634 \u0631\u0648 \u0635\u064a\u0642\u0644\u064a \u0628\u0648\u062f\u0647 \u0648 \u062f\u0627\u0631\u0627\u064a \u062e\u0627\u0635\u064a\u062a \u0631\u0641\u0644\u0643\u062a\u064a \u062f\u0631 \u0632\u0627\u0648\u064a\u0647 \u0643\u0645 \u0628\u0627\u0634\u062f \u0628\u0647\u200c\u06af\u0648\u0646\u0647\u200c\u0627\u06cc \u0643\u0647 \u0633\u064a\u06af\u0646\u0627\u0644 \u0635\u0648\u062a\u064a \u0627\u0631\u0633\u0627\u0644\u064a \u0628\u0647 \u0633\u0645\u062a \u0633\u0646\u0633\u0648\u0631 \u0628\u0627\u0632\u06af\u0634\u062a \u062f\u0627\u062f\u0647 \u0646\u0634\u0648\u062f.<\/li><\/ul>\n\n\n\n
![\"\u0647\u0646\u06af\u0627\u0645\u06cc\u06a9\u0647](\"https:\/\/roboeq.ir\/blog\/wp-content\/uploads\/2021\/04\/HC-SR04-Limitation-cannot-detect-object-at-a-shallow-angle.png\")
<\/figure><\/div>\n\n\n\n- \u0627\u0646\u062f\u0627\u0632\u0647 \u0645\u0627\u0646\u0639 \u067e\u064a\u0634 \u0631\u0648\u064a \u0633\u0646\u0633\u0648\u0631 \u0622\u0646\u0642\u062f\u0631 \u0643\u0648\u0686\u0643 \u0628\u0627\u0634\u062f \u0643\u0647 \u0633\u064a\u06af\u0646\u0627\u0644 \u0628\u0631\u06af\u0634\u062a\u064a \u0628\u0647 \u0633\u0645\u062a \u0633\u0646\u0633\u0648\u0631 \u0628\u0627\u0632\u06af\u0634\u062a \u062f\u0627\u062f\u0647 \u0646\u0634\u0648\u062f. \u0647\u0645\u0686\u0646\u064a\u0646\u060c \u0627\u06af\u0631 \u0633\u0646\u0633\u0648\u0631 \u0622\u0644\u062a\u0631\u0627\u0633\u0648\u0646\u06cc\u06a9 SR04 \u062f\u0631 \u067e\u0627\u0626\u064a\u0646 \u0648\u0633\u064a\u0644\u0647 \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u0643\u0627\u0631 \u06af\u0630\u0627\u0634\u062a\u0647 \u0634\u0648\u062f\u060c \u0645\u0645\u0643\u0646 \u0627\u0633\u062a \u0647\u064a\u0686 \u0633\u064a\u06af\u0646\u0627\u0644\u064a \u0627\u0632 \u0633\u0645\u062a \u0633\u0637\u062d \u0628\u0631\u06af\u0634\u062a \u062f\u0627\u062f\u0647 \u0646\u0634\u0648\u062f.<\/li><\/ul>\n\n\n\n
![\"\u0647\u0646\u06af\u0627\u0645\u06cc\u06a9\u0647](\"https:\/\/roboeq.ir\/blog\/wp-content\/uploads\/2021\/04\/HC-SR04-Limitation-cannot-detect-small-objects.png\")
<\/figure><\/div>\n\n\n\n- \u0647\u0646\u06af\u0627\u0645 \u0622\u0632\u0645\u0627\u064a\u0634 \u0628\u0627 \u0633\u0646\u0633\u0648\u0631 \u0645\u062a\u0648\u062c\u0647 \u0634\u062f\u064a\u0645 \u0643\u0647 \u0628\u0631\u062e\u064a \u0627\u062c\u0633\u0627\u0645 \u0628\u0627 \u0633\u0637\u062d \u0646\u0631\u0645 \u0648 \u063a\u06cc\u0631\u0645\u0646\u0638\u0645 (\u0645\u0627\u0646\u0646\u062f \u062d\u064a\u0648\u0627\u0646\u0627\u062a \u0639\u0631\u0648\u0633\u0643\u064a)\u060c \u0628\u064a\u0634\u062a\u0631 \u0627\u0632 \u0622\u0646\u0643\u0647 \u0633\u064a\u06af\u0646\u0627\u0644 \u0631\u0627 \u0628\u0631\u06af\u0634\u062a \u062f\u0647\u0646\u062f \u0622\u0646 \u0631\u0627 \u062c\u0630\u0628 \u0645\u064a\u200c\u0643\u0646\u0646\u062f \u0648 \u0628\u0646\u0627\u0628\u0631\u0627\u064a\u0646 \u062a\u0634\u062e\u064a\u0635 \u0622\u0646\u200c\u0647\u0627 \u0628\u0631\u0627\u064a \u0633\u0646\u0633\u0648\u0631 \u0645\u0634\u0643\u0644 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f.<\/li><\/ul>\n\n\n\n
![\"\u0633\u0646\u0633\u0648\u0631](\"https:\/\/roboeq.ir\/blog\/wp-content\/uploads\/2021\/04\/HC-SR04-Limitation-cannot-detect-soft-irregular-surface-object.png\")
<\/figure><\/div>\n\n\n\n\u062a\u0623\u062b\u06cc\u0631 \u062d\u0631\u0627\u0631\u062a \u0628\u0631 \u0627\u0646\u062f\u0627\u0632\u0647\u200c\u06af\u06cc\u0631\u06cc \u0641\u0627\u0635\u0644\u0647<\/strong><\/h2>\n\n\n\n\u0633\u0646\u0633\u0648\u0631 \u0622\u0644\u062a\u0631\u0627\u0633\u0648\u0646\u06cc\u06a9 SR04 \u062f\u0631 \u0627\u063a\u0644\u0628 \u067e\u0631\u0648\u0698\u0647\u200c\u0647\u0627 \u0646\u0638\u064a\u0631 \u0633\u064a\u0633\u062a\u0645 \u062a\u0634\u062e\u064a\u0635 \u0645\u0647\u0627\u062c\u0645 \u0648 \u0633\u064a\u0633\u062a\u0645 \u0622\u0644\u0627\u0631\u0645 \u0645\u062c\u0627\u0648\u0631\u062a\u064a \u062f\u0642\u062a \u0642\u0627\u0628\u0644 \u0642\u0628\u0648\u0644\u064a \u062f\u0627\u0631\u062f. \u0627\u0645\u0627 \u062f\u0631 \u0645\u0648\u0627\u0631\u062f\u064a \u0645\u0645\u0643\u0646 \u0627\u0633\u062a \u0634\u0645\u0627 \u062a\u0645\u0627\u064a\u0644 \u0628\u0647 \u0637\u0631\u0627\u062d\u064a \u0633\u064a\u0633\u062a\u0645 \u0641\u0627\u0635\u0644\u0647 \u0633\u0646\u062c\u064a \u062f\u0631 \u0641\u0636\u0627\u064a \u0628\u064a\u0631\u0648\u0646 \u0628\u0627 \u0634\u0631\u0627\u064a\u0637 \u062f\u0645\u0627\u064a\u064a \u063a\u06cc\u0631\u0645\u0639\u0645\u0648\u0644 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f (\u062e\u064a\u0644\u064a \u06af\u0631\u0645 \u064a\u0627 \u0628\u0633\u064a\u0627\u0631 \u0633\u0631\u062f). \u062f\u0631 \u0686\u0646\u064a\u0646 \u0645\u0648\u0642\u0639\u064a\u062a\u200c\u0647\u0627\u064a\u064a \u0628\u0627\u064a\u062f \u062f\u0642\u062a \u0643\u0646\u064a\u062f \u0643\u0647 \u0633\u0631\u0639\u062a \u0635\u0648\u062a \u062f\u0631 \u0647\u0648\u0627 \u0628\u0633\u062a\u0647 \u0628\u0647 \u0645\u064a\u0632\u0627\u0646 \u062f\u0645\u0627\u060c \u0641\u0634\u0627\u0631 \u0648 \u0631\u0637\u0648\u0628\u062a \u062a\u063a\u064a\u064a\u0631 \u062e\u0648\u0627\u0647\u062f \u0643\u0631\u062f. \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0642\u062f\u0627\u0631 \u0633\u0631\u0639\u062a \u0635\u0648\u062a \u062f\u0631 \u0647\u0648\u0627 \u062f\u0631 \u0645\u062d\u0627\u0633\u0628\u0647 \u0641\u0627\u0635\u0644\u0647\u200c \u0633\u0646\u0633\u0648\u0631 \u062a\u0627 \u0645\u0627\u0646\u0639\u060c \u0627\u0646\u062f\u0627\u0632\u0647\u200c\u06af\u064a\u0631\u064a \u0633\u0646\u0633\u0648\u0631 \u062f\u0631 \u0634\u0631\u0627\u064a\u0637 \u0645\u062d\u064a\u0637\u064a \u063a\u064a\u0631\u0645\u0639\u0645\u0648\u0644 \u062a\u062d\u062a \u062a\u0623\u062b\u06cc\u0631 \u0642\u0631\u0627\u0631 \u062e\u0648\u0627\u0647\u062f \u06af\u0631\u0641\u062a. \u0686\u0646\u0627\u0646\u0686\u0647 \u0645\u0642\u062f\u0627\u0631 \u062f\u0645\u0627 (C\u00b0) \u0648 \u0631\u0637\u0648\u0628\u062a \u0631\u0627 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u064a\u062f\u060c \u0633\u0631\u0639\u062a \u0635\u0648\u062a \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u064a\u062f \u0627\u0632 \u0631\u0627\u0628\u0637\u0647 \u0632\u064a\u0631 \u0628\u062f\u0633\u062a \u0622\u0648\u0631\u06cc\u062f.<\/p>\n\n\n\n
Speed of sound m\/s = 331.4 + (0.606 * Temp) + (0.0124 * Humidity)<\/p>\n\n\n\n
\u0627\u0645\u06cc\u062f\u0648\u0627\u0631\u06cc\u0645 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u06cc \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0647 \u062f\u0633\u062a \u0622\u0648\u0631\u062f\u0647 \u0627\u06cc\u062f\u060c \u0628\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0647 \u0631\u0627\u062d\u062a\u06cc \u0627\u06cc\u0646 \u0633\u0646\u0633\u0648\u0631 \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0631\u0627 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u06a9\u0646\u06cc\u062f \u0648 \u0642\u062f\u0631\u062a \u062e\u0641\u0627\u0634 \u0647\u0627 \u0631\u0627 \u062a\u062c\u0631\u0628\u0647 \u06a9\u0646\u06cc\u062f. \u0627\u06af\u0631 \u0628\u0647 \u0631\u0627\u0647\u0646\u0645\u0627\u06cc\u06cc \u0628\u06cc\u0634\u062a\u0631\u06cc \u062f\u0631 \u0627\u06cc\u0646 \u0632\u0645\u06cc\u0646\u0647 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0634\u062a\u06cc\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u0646\u0648\u0634\u062a\u0646 \u062f\u06cc\u062f\u06af\u0627\u0647 \u062e\u0648\u062f \u0628\u0627 \u0645\u0627 \u062f\u0631 \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0627\u0634\u06cc\u062f.<\/p>\n","protected":false},"excerpt":{"rendered":"
\u0622\u06cc\u0627 \u0645\u06cc\u200c\u062f\u0627\u0646\u0633\u062a\u06cc\u062f \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0633\u0646\u0633\u0648\u0631 \u0622\u0644\u062a\u0631\u0627\u0633\u0648\u0646\u06cc\u06a9 SR04 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0647 \u067e\u0631\u0648\u0698\u0647\u200c\u0647\u0627\u06cc \u0622\u0631\u062f\u0648\u06cc\u0646\u0648 \u062e\u0648\u062f \u0642\u062f\u0631\u062a\u06cc \u0647\u0645\u0627\u0646\u0646\u062f \u0642\u062f\u0631\u062a \u062e\u0641\u0627\u0634 \u062f\u0647\u06cc\u062f\u061f \u0642\u062f\u0631\u062a\u06cc \u06a9\u0647 \u0645\u0627 \u062f\u0631 \u0645\u0648\u0631\u062f \u0622\u0646 \u0635\u062d\u0628\u062a \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645\u060c \u0627\u0645\u06a9\u0627\u0646 \u062a\u0634\u062e\u06cc\u0635 \u0627\u0634\u06cc\u0627\u0621 \u062f\u0631 \u0641\u0627\u0635\u0644\u0647 13 \u0641\u0648\u062a\u06cc (\u062d\u062f\u0648\u062f 4 \u0645\u062a\u0631) \u0627\u0633\u062a. \u0647\u0645\u0627\u0646\u200c\u0637\u0648\u0631 \u06a9\u0647 \u062e\u0641\u0627\u0634 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0647\u200c\u0631\u0627\u062d\u062a\u06cc \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u062f\u060c \u0627\u06cc\u0646 \u0633\u0646\u0633\u0648\u0631 \u0646\u06cc\u0632 \u0627\u0632 \u0686\u0646\u06cc\u0646 \u0642\u0627\u0628\u0644\u06cc\u062a\u06cc \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0627\u0633\u062a. \u0627\u06af\u0631…<\/p>\n","protected":false},"author":3,"featured_media":14734,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-14698","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-46"],"yoast_head":"\n
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![\"\u0646\u0645\u0648\u062f\u0627\u0631](\"https:\/\/roboeq.ir\/blog\/wp-content\/uploads\/2021\/04\/Ultrasonic-Frequency-Range-Spectrum.png\")
<\/figure><\/div>\n\n\n\n![\"\u067e\u0627\u06cc\u0647](\"https:\/\/roboeq.ir\/blog\/wp-content\/uploads\/2021\/04\/HC-SR04-Ultrasonic-Distance-Sensor-Pinout.png\")
<\/a><\/figure><\/div>\n\n\n\n