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- ¸ÂÃã °¡´É À¯¹«: ±×·¸½À´Ï´Ù
- ÀÌ·Ð: ÃÊÀ½ÆÄ ¼¾¼
- »ç¿ë¹ý: ¾Ð·Â ¼¾¼
- ¸ðµ¨ ¹øÈ£: HC-SR04
- Àç·á: È¥ÇÕ¹°
- À¯Çü: Áø°ø ¼¾¼
- Ãâ·Â: ¾Æ³¯·Î±× ¼¾¼
- ºê·£µå À̸§: Estardyn
- ±Ù¿ø: CN (Á¤Ç°)
1, ÀÌ ¸ðµâÀÇ ¼º´ÉÀº ¾ÈÁ¤ÀûÀÌ°í Á¤È®ÇÑ °Å¸® ÃøÁ¤ÀÔ´Ï´Ù. ±×¸®°í ºñ±³ °¡´ÉÇÑ ¿Ü±¹ SRF05, SRF02 ÃÊÀ½ÆÄ ¹üÀ§ ¸ðµâ. ¸ðµâ Á¤¹Ðµµ, »ç°¢ Áö´ë (2cm) ¸Å¿ì ´ÝÈû, ¾ÈÁ¤ÀûÀÎ °Å¸® ÃøÁ¤ÀºÀÌ Á¦Ç°À» ±â¹ÝÀ¸·Î ¼º°øÀûÀ¸·Î ÆǸÅÇÕ´Ï´Ù! ÀÌ ¸ðµâÀº µµ³ ¹æÁö ¸ðµâÀÇ GH-311 Á¤¹ÐÇÑ ¿ë·®ÀÔ´Ï´Ù.
µÎ °¡Áö ÁÖ¿ä ±â¼ú ¸Å°³ º¯¼ö: 1: Àü¾Ð: DC5V 2: ´ë±â Àü·ù: <2mA 3: ·¹º§ Ãâ·Â: high-5V Ãâ·Â 4: ·¹º§: 0V ³¡ 5: À¯µµ °¢µµ: 15 µµ ÀÌÇÏ: °¨Áö ¹üÀ§: 2cm-450cm
7: °íÁ¤¹Ð: ÃÖ´ë 0.3cm
ÆгΠ¹è¼±, VCC, trig (Á¦¾îÃø), ¿¡ÄÚ (¼ö½Å ³¡), ¾Æ¿ô (ºó ÇÇÆ®), GND
Âü°í: Æ®¶óÀÌÇÁ ÇÉ ³»ºÎ Ç®¾÷ 10K ÀúÇ×±â, ´Ù¿î Æ®¶óÀÌÇÁ ¸¶ÀÌÅ©·Î ÄÁÆ®·Ñ·¯ IO Æ÷Æ® ÇÉ, ±×¸®°í 10us ÆÞ½º ½ÅÈ£.
µµ³ ¹æÁö ¸ðµâ, ¹üÀ§ ¸ðµâÀÌÀÌ ¹ßÀ» »ç¿ëÇÏÁö ¾Ê´Â ½ºÀ§Ä¡ Ãâ·Â ÇÉÀ¸·ÎÀÌ ¸ðµâÀÇ ¾Æ¿ô ÇÉ!
Âü°í: ¸ðµâÀ» ºÐÇØÇÏ°í, ȸ·Î ±âÆÇ¿¡ ´Ù½Ã Àü¿øÀ» »ðÀÔÇÏ°í, ÇØ°áÇϱâ Àü¿¡ ´Ù½Ã Àü¿øÀ» °¡Áø °æ¿ì ³ôÀº ¿ÀÀÛµ¿À» ÇÇÇؾßÇÕ´Ï´Ù.
ÀÌ ¸ðµâÀº ¹üÀ§ ÇÁ·Î±×·¥À» Á¦°ø ÇÒ ¼ö ÀÖ½À´Ï´Ù: C51, PIC18F877 ¸¶ÀÌÅ©·Î ÄÁÆ®·Ñ·¯ yoshatsu three MCU Å×½ºÆ® ÂüÁ¶.
3 ¸ðµâ URF04 ÀÛµ¿:
(1) ÃÖ¼Ò 10us ³ôÀº ½ÅÈ£¿¡ À̸£´Â IO Æ®¸®°Å;
(2) ¸ðµâÀº 8 °³ÀÇ 40kHz ±¸ÇüÆÄ, ½ÅÈ£ ¹Ýȯ ¿©ºÎ¸¦ ÀÚµ¿À¸·Î °¨ÁöÇÕ´Ï´Ù.
(3) ³ôÀº IO Ãâ·ÂÀ¸·Î µ¹¾Æ°¡´Â ½ÅÈ£, ¹ß»ç¿¡¼ º¹±Í±îÁö ÃÊÀ½ÆÄ ½Ã°£ÀÇ ³ôÀº Áö¼Ó ½Ã°£.
Å×½ºÆ® °Å¸® = (°í¼Ó »ç¿îµå ½Ã°£ (340 M/S) / 2;
ÀÌ Á¦Ç°Àº »ç¿ëÀÌ °£ÆíÇÏ°í 10US ÀÌ»óÀÇ ³ôÀº Á¦¾î Æ÷Æ®, ¼ö½Å Æ÷Æ®¿¡¼ ³ôÀº Ãâ·ÂÀ» ±â´Ù¸± ¼ö ÀÖ½À´Ï´Ù. Ãâ·ÂÀº ŸÀ̸Ӹ¦ ¿ ¼ö ÀÖ½À´Ï´Ù. ÀÌ Æ÷Æ®°¡ °Å¸® °è»ê¿¡ ´ëÇÑ Å¸ÀÌ¸Ó °ªÀÌ ³·¾ÆÁö¸é ÀÐÀ» ¼ö ÀÖ½À´Ï´Ù. ÀÌ·¯ÇÑ Áö¼ÓÀûÀÎ ÃøÁ¤ÁÖ±â, ´ç½ÅÀº ¿ì¸®°¡ ´Þ¼º ÇÒ ¼öÀÖ´Â °ªÀ» ÃøÁ¤Çϱâ À§ÇØ À̵¿ÇÕ´Ï´Ù ~ ~~
¸ðµâ ÀÛµ¿:
(1) ÃÖ¼Ò 10us ³ôÀº ½ÅÈ£¿¡ À̸£´Â IO Æ®¸®°Å;
(2) ¸ðµâÀº 8 °³ÀÇ 40kHz ±¸ÇüÆÄ, ½ÅÈ£ ¹Ýȯ ¿©ºÎ¸¦ ÀÚµ¿À¸·Î °¨ÁöÇÕ´Ï´Ù.
(3) ¹Ýȯ ½ÅÈ£, ³ôÀº IO Ãâ·Â, ³ôÀº Áö¼Ó ½Ã°£
¹ß»ç¿¡¼ º¹±Í±îÁö ÃÊÀ½ÆÄ ½Ã°£. Å×½ºÆ® °Å¸® = (°í¼Ó »ç¿îµå ½Ã°£ (340 M/S) / 2;
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